Best Golf Simulator Projectors With Zoom Lens

The ViewSonic LS741HD is a laser-powered 1080p projector designed for professional and educational environments where brightness and reliability matter most. With 5,000 ANSI lumens, it's built for boardrooms, lecture halls, auditoriums, and houses of worship that deal with high ambient light.

Real-world feedback confirms its standout brightness, with one reviewer measuring it at 2.5 to 3 times brighter than a 1500-lumen unit. Churches and classrooms report crisp, vivid images even on large 100-inch screens, and the laser light source means no lamp swaps for up to 30,000 hours of use.

Setup flexibility is a major strength, with 1.6x optical zoom, horizontal/vertical keystone, 4-corner adjustment, and 360-degree projection support. However, the keystone correction is manual rather than automatic, which some users note makes repeated setup and teardown less convenient for temporary installations.

Build quality is solid and compact for a projector in this brightness class, weighing 6.6 pounds and supporting professional ceiling mounts. Network-savvy features like LAN control via Crestron, AMX, and PJ Link add real value for IT departments managing multiple units remotely.

Overall, the LS741HD is an excellent choice for permanent or semi-permanent installations that demand high brightness and dependable performance, though buyers wanting 4K resolution or fully automated setup should look elsewhere. For bright rooms and large-screen 1080p presentations, it delivers outstanding value and consistent praise from real users.

Choose the ViewSonic LS741HD if you need a projector for a large, brightly lit space such as a classroom, boardroom, or sanctuary where image clarity can't be compromised by ambient light.

This model is best suited for fixed or ceiling-mounted installations rather than frequent transport, since the manual keystone adjustment requires extra setup time each use.

If your priority is ultra-high resolution or 4K detail, consider ViewSonic's 4K variant instead, as this unit focuses on brightness and reliability over pixel density.

For IT-managed environments, the built-in LAN control support makes this projector a smart pick for institutions needing centralized, remote management across multiple rooms or campuses.

The Optoma GT2400HDR is a short throw laser projector aimed at two very specific buyers: home theater fans working with limited space, and golf simulator enthusiasts who need a big, bright image from a short distance. Its 0.496:1 throw ratio lets it fill a large screen while sitting just a few feet away, making it a practical fit for garages, basements, and media rooms where a traditional long-throw projector wouldn't work.

Brightness is the standout spec here. At 4,200 ISO lumens, the GT2400HDR holds up better than most home projectors when there's some ambient light in the room, which matters for golf sims and daytime viewing. Gamers get a real functional benefit too, with an 8.4ms input lag at 1080p120Hz in Enhanced Gaming Mode, a number that competes with dedicated gaming monitors rather than typical projectors.

Build quality centers around Optoma's DuraCore laser light source, rated for 30,000 hours in eco mode. This translates to years of use without swapping lamps, plus instant on/off and consistent brightness over time. The compact desktop form factor, at just under 9.5 pounds, supports flexible tabletop, wall, or ceiling mounting.

The main tradeoff is resolution. While the projector accepts 4K HDR10 and HLG signals, its native panel is Full HD 1080p, so it's not delivering true 4K sharpness. Connectivity is also fairly basic, relying on dual HDMI and RCA rather than modern wireless streaming options, so users will likely pair it with an external streaming device.

Overall, the GT2400HDR earns its place as a specialized tool rather than an all-purpose projector. It's a smart buy for anyone prioritizing brightness, low latency gaming, and short throw flexibility, particularly golf sim builders and space-constrained home theater setups, but 4K purists may want to look elsewhere.

The ViewSonic LS740HD is a Full HD 1080p laser projector designed primarily for professional and semi-professional environments such as classrooms, auditoriums, boardrooms, and large home theaters. With 5,500 ANSI lumens of brightness and a laser phosphor light source, it targets users who need reliable, high-quality projection without the ongoing cost of lamp replacements. It also appeals to home golf simulator enthusiasts thanks to its dedicated Golf Mode.

Performance is where the LS740HD truly shines. The 5,500-lumen output ensures images remain crisp and vivid even in rooms with significant ambient light, a common challenge in educational and corporate settings. The Texas Instruments 0.65-inch DMD chip delivers a high native contrast ratio, adding visual depth and legibility to presentations, videos, and simulations. DLP technology further ensures accurate color reproduction and eliminates the screen-door effect common in older projection systems.

Installation flexibility is a major strength of this projector. The 1.3x optical zoom, combined with horizontal and vertical keystone correction and 4-corner adjustment, makes it straightforward to achieve a perfectly shaped image in almost any room configuration. The 360-degree projection capability and portrait mode open up creative use cases like projection mapping and floor displays, making it a versatile tool for events and staging professionals.

On the downside, the price is firmly in the commercial tier, which may deter budget-conscious buyers. The throw ratio of 1.1 to 1.5 means it is not suited for very short projection distances, and users in compact spaces should measure carefully before purchasing. Wireless content sharing, while supported, requires an additional accessory purchase, which feels like an oversight at this price level.

Overall, the ViewSonic LS740HD is a well-rounded, high-performance laser projector that delivers exceptional value for commercial, educational, and enthusiast applications. Its combination of brightness, maintenance-free operation, installation flexibility, and unique Golf Mode make it one of the more compelling options in its class. For anyone needing a dependable large-venue or simulation projector, it is a highly recommended investment.

Resolution: Full HD 1920x1080p (1080p) native resolution for sharp, detailed imagery across all content types.

Brightness and Contrast: 5,500 ANSI lumens with a high native contrast ratio achieved through a Texas Instruments 0.65-inch DMD chip, ensuring deep blacks and bright whites simultaneously.

Light Source: 3rd-generation laser phosphor technology rated for up to 30,000 hours of use, delivering consistent brightness over its lifespan without lamp replacements.

Throw and Zoom: 1.1 to 1.5 throw ratio with 1.3x optical zoom and 0.8x to 2.0x digital zoom. Projects a 100-inch image from approximately 8.2 feet, with a maximum screen size of 300 inches.

Adjustment and Installation: Features H/V keystone correction, 4-corner adjustment, 360-degree projection, portrait mode, and ceiling mount compatibility. Compatible with ViewSonic mount PJ-WMK-007.

Connectivity and Control: Supports Crestron, AMX, PJ Link, ATEN, and Extron for centralized LAN control. USB firmware update support and optional ViewShare Wireless Screen Casting Kit compatibility.

Durability: IP6X-rated sealed filter-free design for dust resistance. Rated for 24/7 continuous commercial operation.

Who Should Buy the LS740HD? This projector is best suited for IT managers, AV integrators, educators, and serious home theater or golf simulator enthusiasts who need a high-brightness, low-maintenance solution. If you regularly present in large rooms with uncontrolled lighting, the 5,500-lumen output is a significant advantage over consumer-grade projectors.

Room Size and Throw Distance: Before purchasing, measure your available projection distance. The LS740HD requires roughly 8.2 feet to display a 100-inch image and up to about 12.3 feet for a 150-inch image. It is not an ultra-short-throw projector, so very small rooms may not be ideal. For large classrooms, conference rooms, or dedicated home theater spaces, it fits perfectly.

Golf Simulator Compatibility: If your primary use case is a home golf simulator, the LS740HD is one of the few projectors in its class with a dedicated Golf Mode that supports major simulator software platforms. Pair it with a quality impact screen and simulator software for a premium indoor golf experience.

Commercial and 24/7 Use: For businesses or institutions that need a projector running all day, the industrial-grade design and laser light source make the LS740HD a cost-effective long-term investment. The absence of consumable lamps reduces operational costs significantly over time.

Budget Consideration: At its price point, the LS740HD competes with other commercial laser projectors. If you only need occasional home use at moderate brightness, a lower-cost consumer projector may suffice. However, for demanding environments where reliability and brightness are non-negotiable, the LS740HD justifies its cost.

The XGIMI HORIZON 20 Max is a premium 4K triple laser projector aimed at home theater enthusiasts and gamers who want a massive screen experience without sacrificing brightness or color accuracy. It's built for users upgrading from dimmer, bulb-based projectors or looking to replace a traditional TV with something far larger.

The standout feature is the X-Master RGB triple laser engine, which pushes out 5700 ISO lumens and 110% BT.2020 color coverage. Reviewers note that while HDR mode doesn't quite hit the rated brightness in practice, standard 4K mode looks fantastic and bright enough to use with lights on. Gaming performance is another highlight, with 1ms input lag, 240Hz motion, ALLM, and VRR support making it genuinely competitive for console and PC gaming on a huge screen.

Build quality gets consistent praise, with an Elephant Grey, leather-textured finish that looks at home in a living room rather than hidden away. The motorized lens shift and optical zoom simplify setup considerably compared to older projectors that require physical repositioning, and auto keystone and auto focus further streamline installation.

The main drawbacks are software related. A few reviewers found the 3D mode's toggle gets disabled when certain picture enhancements are active, requiring a settings reset to unlock it. Some also mention needing to switch between HDR and standard modes depending on ambient light to get the best picture, since HDR can look dimmer than expected in bright rooms.

Overall, the HORIZON 20 Max is a strong choice for anyone wanting a bright, color accurate, gaming capable projector with a polished smart TV experience built in. It's best suited to home theater builders and gamers willing to invest in a top tier laser projector rather than casual, budget-conscious buyers.

The HORIZON 20 Max features a native 3840 x 2160 (4K) DLP display with 5700 ISO lumens of brightness and a 20,000:1 contrast ratio, supporting Dolby Vision, HDR10+, and IMAX Enhanced formats for accurate, high-quality visuals.

Throw distance ranges from 1.06 to 5.31 meters, producing images from 40 to 300 inches, with 15cm of vertical keystone correction for flexible placement in various rooms.

Connectivity includes HDMI, USB 2.0/3.0, Bluetooth, Wi-Fi, and 3.5mm audio out, alongside built-in Google TV and Google Home for streaming and voice control without extra devices. The unit runs on 220V and draws 280 watts, with a 180-watt laser light source and Harman Kardon speakers for integrated audio.

The ZCGIOBN 1000D is a smart projector aimed squarely at golf simulator enthusiasts, home theater users, and casual gamers who want a big screen without a complicated setup. With Google TV built in, HDMI 2.1 for PC and console connections, and flexible mounting options, it's designed to slot into garages, basements, or living rooms alike.

Its standout feature is brightness: 2200 ANSI lumens combined with 4K HDR10 decoding lets it hold up surprisingly well in rooms that aren't fully dark, which reviewers specifically praised for daytime streaming and garage golf sessions. The TOF sensor-based autofocus and auto keystone get the image aligned in seconds, and MEMC plus low-latency processing keeps fast-moving content like golf swings and games smooth and blur-free.

Build quality feels solid for the price, with a compact, sealed optical engine meant to resist dust in garage environments, and a premium-finish design that doesn't scream 'budget projector.' The 40W Dolby Audio speakers are strong enough that several reviewers said they skipped adding a soundbar entirely.

The main caveat is that the native resolution is 1080p, with 4K handled through decoding and scaling rather than true 4K pixel density, so fine detail and edge sharpness aren't flawless, especially for text or browsing. This is a home entertainment and simulator projector first, not a productivity display.

Overall, the ZCGIOBN 1000D delivers strong value for golf simulator builders and home theater users who prioritize brightness, easy setup, and smart features over ultra-fine 4K detail. It's a smart pick for garages, bedrooms, or living rooms where flexibility and quick installation matter most.

The ViewSonic LS901-4K is a 4K UHD laser projector aimed at home theater enthusiasts, gamers, and even golf simulator setups that need serious brightness and clarity. With 5,500 ANSI lumens, it's designed to perform well in larger rooms or spaces with some ambient light, making it more versatile than typical home theater projectors that require full darkness.

Performance-wise, the standout features are its 240Hz refresh rate and 4.2ms input lag, which reviewers confirm translate into smooth, responsive visuals for fast-paced gaming. The native 21:9 aspect ratio and HDR/HLG support also give movies a distinctly cinematic feel, with one reviewer comparing its image quality favorably to a $3,500 Epson model.

Setup flexibility is another strong point, thanks to 1.7x optical zoom, horizontal and vertical keystone correction, and support for 360-degree projection. This makes it easier to fit into rooms with unconventional layouts, and its compatibility with ViewSonic's ceiling mount adds to its installation versatility.

On the downside, buyers note that calibration takes more effort than simpler projectors, and the brightest picture mode sacrifices some color accuracy for maximum lumens. Independent testing and long-term reliability data are also still fairly limited online, which may give cautious buyers pause.

Overall, the LS901-4K earns its reputation as a high-value pick for anyone wanting a bright, 4K-capable laser projector that can double as a gaming display or golf simulator screen. It's best suited to users willing to spend a bit more time dialing in settings in exchange for excellent brightness, low lag, and long-term laser reliability.

The ViewSonic PA503HD is a full HD DLP lamp projector designed to serve a wide audience, from corporate presenters and classroom educators to home theater enthusiasts and casual gamers. With 4,000 ANSI lumens of brightness and a 1920x1080 native resolution, it positions itself as a versatile, high-performance option in the mid-range projector market.

The standout feature here is undeniably the brightness. At 4,000 lumens, the PA503HD holds its own in moderately lit rooms, making it practical for daytime presentations without requiring blackout curtains. Paired with a 22,000:1 dynamic contrast ratio and Texas Instruments 0.65-inch DMD chip, colors appear vivid and blacks look genuinely deep, which is impressive for a lamp-based unit at this price point.

For gamers and sports viewers, the 120Hz refresh rate and 16ms input latency are welcome additions that go beyond what most business projectors offer. Motion appears smooth and responsive, and fast-action scenes are rendered with minimal blur. The dual HDMI inputs and USB-A port add practical connectivity, and the auto vertical keystone correction simplifies setup considerably when ceiling mounting or placing on an uneven surface.

On the downside, the 1.1x optical zoom is narrower than competing models, which limits placement flexibility. Being a lamp-based projector, users should also factor in eventual bulb replacement costs and the fact that brightness will diminish gradually over the lamp's lifespan. Laser alternatives may offer longer-term value for heavy daily use.

Overall, the ViewSonic PA503HD delivers a compelling combination of brightness, image quality, and gaming-capable performance that justifies its position in the lineup. It is best suited for users who need a dependable, bright projector for mixed use across work, entertainment, and gaming, and who are comfortable with standard lamp maintenance over time.

Resolution: Full HD 1920x1080 (1080p)
Brightness: 4,000 ANSI Lumens
Contrast Ratio: 22,000:1 Dynamic
Technology: DLP with Texas Instruments 0.65-inch DMD Chip

Throw Ratio: 1.4 to 1.6
Optical Zoom: 1.1x
Digital Zoom: 0.8x to 2.0x
Screen Size Range: 80 inches to 150 inches (standard); up to 300 inches maximum
Throw Distance for 100-inch Image: 10.8 feet

Refresh Rate: 120Hz
Input Latency: 16ms
Connectivity: 2x HDMI, 1x USB-A
Keystone Correction: Auto Vertical Keystone
Firmware Updates: Via USB connection
Mounting: Ceiling mountable, compatible with ViewSonic PJ-WMK-007

If you are considering the ViewSonic PA503HD, the first question to ask is how much ambient light your space typically has. This projector shines brightest, literally, in environments where full blackout is not always possible, such as classrooms, conference rooms, or open living areas. Its 4,000-lumen output gives it a clear advantage over budget 2,000 to 3,000 lumen models in these settings.

For home theater purists who watch exclusively in a dark room, a projector with deeper native contrast or laser light source might be worth considering. However, if your usage spans presentations during the day and movies or gaming at night, the PA503HD handles both scenarios competently without requiring a second device.

Gamers should note that the 120Hz refresh rate and 16ms latency are genuine performance specs, not marketing additions. If you plan to connect a gaming console or PC, this projector delivers a noticeably smoother experience than standard 60Hz business projectors. Just ensure your source device supports 1080p at 120Hz to take full advantage.

Finally, consider placement before purchasing. The 1.1x optical zoom means you have limited room to adjust the image size without physically moving the projector. Measure your intended throw distance against the specification chart to confirm it fits your space before committing to a ceiling mount installation.

The ViewSonic PX749-4K is a premium 4K gaming projector engineered specifically for console gamers, particularly Xbox Series X/S owners. This projector bridges the gap between high-end gaming performance and home theater versatility, making it ideal for dedicated gaming rooms and entertainment spaces where large-screen immersion matters most.

Performance-wise, the PX749-4K excels with its Xbox-optimized specs: native 1440p resolution at 120Hz refresh rate, scalable to 240Hz, paired with an ultra-responsive 4.2ms input lag. Combined with 4,000 ANSI lumens and HDR10 support, gameplay appears crisp, fluid, and vibrant even during fast-paced action sequences. The Harman-tuned speaker system adds meaningful audio depth without requiring separate sound equipment, though serious audiophiles may still prefer external speakers.

Setup flexibility stands out as a major strength. The 1.3x optical zoom, H/V keystone correction, auto V-keystone, and 4-corner adjustment tools make installation straightforward in most rooms. The ability to project screens from 30 inches to 300 inches means this projector adapts to various space constraints. USB-C connectivity enables direct streaming from laptops and Nintendo Switch devices while simultaneously charging connected equipment, a practical feature for modern gaming setups.

The main drawback is the lack of built-in streaming apps, requiring external devices for services like Netflix or Disney Plus. Additionally, while the feature set is impressive, the premium price places it above entry-level projectors, making it an investment decision rather than an impulse purchase. The absence of user reviews limits third-party validation of long-term durability.

Verdict: The ViewSonic PX749-4K deserves strong consideration for gamers prioritizing console performance, brightness, and setup flexibility. It delivers genuine value for dedicated gaming spaces and home theaters where large-screen, high-refresh-rate gaming justifies the investment.

Display Technology: 4K UHD (3840x2160p) native resolution with 8.3 million pixels

Brightness: 4,000 ANSI lumens with high contrast ratio

Gaming Performance: 1440p at 120Hz, scalable to 240Hz refresh rate, 4.2ms input lag

Projection Range: 1.1-1.5 throw ratio, 3.9 ft to 43 ft throw distance, 100-inch display from 13 feet, up to 300-inch screens

Zoom: 1.3x optical zoom, 0.8x-2.0x digital zoom

Image Adjustment: H/V keystone, auto V-keystone, 4-corner adjustment, curved surface projection, warping configuration

Color Technology: SuperColor technology with HDR10 and HLG support

Audio: Harman-tuned speaker system

Connectivity: Dual HDMI, USB-C with power delivery, RJ45 Ethernet

Smart Features: LAN control, 12V trigger output, Xbox CEC compatibility

Who Should Buy This: Serious console gamers with Xbox Series X/S or Nintendo Switch, home theater enthusiasts with dedicated gaming rooms, and buyers prioritizing large-screen performance over budget constraints.

Who Should Skip This: Casual users seeking basic projection, buyers needing built-in streaming apps, budget-conscious shoppers, or those with small rooms where 300-inch projection capability is unnecessary.

Key Considerations: Verify your room's throw distance matches the 1.1-1.5 ratio for optimal image sizing. Confirm your gaming devices support HDMI 2.1 for full 4K benefits. Plan for adequate ventilation as projectors generate heat during extended use. Consider ambient lighting control since even 4,000 lumens performs best in dimmed environments for gaming.

Setup Tips: Use the 1.3x optical zoom to fine-tune image size before relying on keystone correction. Test the USB-C charging feature with your devices to ensure compatibility. Position the projector centrally relative to your seating for optimal keystone adjustment results.

The BenQ AH700ST is a laser DLP projector engineered specifically for golf simulator setups, whether at home, in a garage, or in a commercial simulation bay. It's aimed at golf enthusiasts and simulator builders who want an easier, faster path to a working setup without hiring a professional installer.

Its standout feature is the auto-sensing calibration system, which detects your impact screen's size and aspect ratio and adjusts the image with a single button press. Combined with the short-throw 0.69-0.83 ratio lens, the projector can sit close behind the golfer without casting shadows or risking damage from swings, a thoughtful design choice for a genre-specific projector.

Build quality reflects BenQ's typical projector engineering, with a 10.5-pound body, multiple HDMI 2.0b and USB inputs, and a rated 20,000-hour laser light source that should outlast years of regular sessions. At 4000 ANSI lumens and Full HD resolution, images stay bright and detailed even scaled up to 200 inches, and the dedicated Golf picture mode fine-tunes colors for course realism.

The main drawbacks are cost and the fact that it's a floor-mount unit, so ceiling or custom rig installations may need extra mounting hardware. There's also no user review history yet to confirm long-term durability claims.

Overall, the AH700ST is a strong, purpose-built option for anyone serious about golf simulation who values quick setup and safe placement over ultra-budget pricing. It's less suited to casual users looking for a general-purpose home theater projector.

Native resolution is Full HD 1920x1080 with support for up to a 200-inch image size, powered by a DLP laser light engine rated for 4000 ANSI lumens and 20,000 hours of operation.

The short-throw lens offers a 0.69-0.83 throw ratio with 1.2x zoom, and connectivity includes multiple HDMI 2.0b ports, USB Type A, and USB Type C display support for broad device compatibility.

The unit weighs 10.5 pounds, is finished in black, and is designed as a floor-mount, portable form factor backed by a 1-year limited warranty.

The BenQ AH500ST is a purpose-built laser projector engineered specifically for home golf simulation enthusiasts who lack dedicated large rooms. Unlike general-purpose projectors, this device prioritizes the unique demands of golf simulators, including compact space requirements, responsive gameplay, and realistic visual presentation. It targets serious golfers and simulation hobbyists willing to invest in authentic practice technology.

What sets this projector apart is its innovative TR 0.5 short-throw lens combined with ultra-low input lag of 16.7ms at 1080P 120Hz. The short-throw ratio means you can mount the projector just 0.5 meters from your screen, eliminating shadows from the golfer and allowing installation in spaces where traditional projectors simply won't work. The minimal input lag ensures smooth, responsive ball tracking and club detection, which is absolutely critical for golf simulation accuracy and immersion.

Build quality reflects its premium positioning with a durable laser light source rated for 20,000 hours in normal mode or up to 38,000 hours in ECO mode. This laser technology delivers consistent brightness and vibrant colors throughout the projector's lifetime without the maintenance headaches of traditional lamp-based systems. The Full HD 1920x1080 resolution with 3,000,000:1 contrast ratio produces crisp, detailed visuals that bring golf courses to life with impressive clarity and depth.

The main limitation is that Full HD resolution feels somewhat dated in an era of 4K projectors, and the premium price point makes this inaccessible for casual users or those just exploring golf simulation. Additionally, wired-only connectivity means you cannot leverage wireless projection if that feature matters for your setup. The learning curve for initial setup, while simplified by BenQ's planning tools and remote hotkeys, still requires some technical comfort.

The BenQ AH500ST delivers exceptional value for dedicated golf simulation enthusiasts who prioritize performance and space efficiency over general versatility. Its specialized design, responsive gameplay technology, and long-lasting laser source justify the investment for serious users, though casual buyers should consider more general-purpose projectors.

Display Technology: DLP laser projector with Full HD native resolution (1920x1080)
Brightness and Contrast: 3,000,000:1 contrast ratio for exceptional image depth
Input Lag: 16.7ms at 1080P 120Hz, 33.4ms at 1080P 60Hz for responsive gameplay
Throw Ratio: 0.499 (TR 0.5) short-throw with 2D keystone adjustment (Vertical and Horizontal +/- 30 degrees)
Light Source: Laser with 20,000 hours normal mode / 38,000 hours ECO mode lifespan
Connectivity: VGA, supports devices from 640x480 to 4K UHD input
Compatible Devices: Gaming consoles, laptops, smartphones, tablets
Mounting: Floor mount, ceiling mount compatible
Weight: 18.2 pounds
Warranty: 1 Year Limited Warranty

Is this projector right for you? The AH500ST is ideal if you have a dedicated golf simulation setup in a small to medium-sized room and prioritize responsive, accurate gameplay over general entertainment use. It works best when paired with quality golf simulation software and a hitting mat setup that complements the projector's immersive capabilities.

Space Requirements: This projector requires only 0.5 meters of throw distance, making it suitable for rooms as small as 10x12 feet. The short-throw design eliminates the casting shadows that plague traditional projectors when golfers swing, a critical advantage for realistic simulation.

Installation Considerations: Use BenQ's Golf-Sim 3D Planner tool before purchasing to verify your space layout and mounting options. The dedicated remote control hotkeys simplify alignment and focus adjustments, but you should still allocate 1-2 hours for initial setup. Consider professional installation if you are uncomfortable with ceiling or floor mounting hardware.

Long-term Value: The laser light source dramatically reduces maintenance costs compared to lamp-based projectors. With 20,000 to 38,000 hours of lifespan depending on mode, this projector can serve your golf simulation hobby for 10+ years of regular use without bulb replacements.

Alternative Considerations: If you need 4K resolution or wireless connectivity, explore other projectors in a higher price range. If you use the projector for general entertainment beyond golf simulation, consider a more versatile general-purpose projector instead.