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SMX short throw and ultra short throw laser projectors are designed for installations where projection distance is limited. With short throw and UST configurations available for different applications, these projectors are suitable for classrooms, meeting rooms, training spaces, simulation systems and immersive projection.
Short throw projectors create larger images from shorter projection distances, making them suitable for rooms where installation depth is limited.
Ultra short throw models can be installed extremely close to the screen, helping maximize usable room space in classrooms, meeting rooms and other compact environments.
Positioning the projector closer to the screen can help reduce shadows caused by presenters, instructors or users moving in front of the projected image.
Short throw projection can support education, business, simulation, golf simulator and immersive installations depending on brightness, resolution and throw-ratio requirements.
Throw ratio should be matched to the required image width and available installation distance. Short throw and ultra short throw are not interchangeable: each projector has its own throw-ratio range, image-size limits and installation requirements.
Both short throw and ultra short throw projectors are designed to reduce projection distance, but they are intended for different installation conditions. The correct choice depends on screen size, available distance, mounting position and how people use the space.
Short throw projectors are positioned closer to the screen than conventional standard throw projectors while still leaving some installation distance. They are useful when room depth is limited but the projector does not need to be mounted directly beside the screen.
Ultra short throw projectors are designed to produce a large image while positioned very close to the projection surface. This makes them especially useful where available room depth is extremely limited or where the projector should stay close to the screen area.
| Selection Factor | Short Throw | Ultra Short Throw |
|---|---|---|
| Projection Distance | Short distance | Very short distance |
| Room Depth | Compact to medium rooms | Very limited room depth |
| Installation Position | Close to the screen with more positioning flexibility | Very close to the projection surface |
| Shadow Risk | Lower than conventional long-distance front projection | Can further reduce interference near the screen |
| Typical Applications | Simulation, training, golf and immersive spaces | Education, meeting rooms and compact interactive environments |
| Main Selection Priority | Balance between short distance and installation flexibility | Minimum possible installation distance |
A smaller throw ratio means the projector can create the same image width from a shorter distance. Always compare the actual throw ratio of the model with the available installation distance.
If the required image width is 3 meters and the projector can only be installed 1.5 meters from the screen:
You would therefore need a projector whose actual throw ratio can support approximately 0.50:1 at the required image size.
The best option is the projector that correctly matches the required screen size, throw ratio, brightness, room structure, mounting position and application. UST is especially valuable where installation distance is extremely limited, while short throw may provide more flexibility in other project layouts.
Different projection environments place different demands on throw ratio, brightness, resolution and installation layout. Use the application first, then match the projector to the available room depth and screen size.
UST or short throw projection can help reduce interference from teachers moving near the screen while allowing large images in relatively shallow classrooms.
Short throw and UST projectors are useful where meeting-room depth is limited or where the projector should remain close to the front wall and away from the main seating area.
Short throw projectors can provide large training visuals while keeping projection distance compact, which is useful in rooms with equipment, desks or active participants.
Short throw models are often useful when projectors must be positioned close to curved, flat or multi-surface displays while minimizing interference with users and simulation equipment.
Short throw projectors can help keep the projector closer to the impact screen, reducing the chance that the golfer blocks the projected image during play.
Short throw projection can be valuable in immersive rooms where multiple projectors must fit within limited ceiling or wall space. Final model selection should also consider geometry and multi-projector requirements.
| Application | Typical Starting Point | Main Selection Consideration |
|---|---|---|
| Classroom | UST / Short Throw | Minimize distance and reduce interference near the screen |
| Meeting Room | UST / Short Throw | Room depth, front-wall placement and image size |
| Training | Short Throw | Flexible mounting and short projection depth |
| Simulation | Short Throw | Throw ratio, geometry and system layout |
| Golf Simulator | Short Throw | Screen width, projector position and player shadow |
| Immersive Projection | Short Throw | Multi-surface coverage and available installation space |
The application provides a starting point, but the final projector should be selected after confirming screen width, projection distance, ambient light, required brightness, resolution, mounting position and installation geometry.
Throw ratio determines how far the projector needs to be positioned from the screen for a required image width. For short throw installations, calculating this value before selecting the projector helps avoid installation-distance and image-size problems.
Projection distance should be evaluated according to the optical reference point specified for the projector model. Image width refers to the horizontal width of the projected image, not the diagonal screen size.
For the same image width, a projector with a smaller throw ratio can be positioned closer to the screen. This is why throw ratio is one of the most important specifications for compact projection environments.
A 0.44:1 projector can create a large image from a relatively short installation distance, making it useful where room depth is limited.
A 0.48:1 throw ratio provides compact installation for classrooms, meeting rooms and other spaces where the projector needs to remain relatively close to the screen.
A short throw zoom range provides more flexibility when the exact projector position needs to be adjusted within the available installation area.
| Image Width | 0.44:1 | 0.48:1 | 0.68–0.82:1 |
|---|---|---|---|
| 2.0 m | 0.88 m | 0.96 m | 1.36–1.64 m |
| 3.0 m | 1.32 m | 1.44 m | 2.04–2.46 m |
| 4.0 m | 1.76 m | 1.92 m | 2.72–3.28 m |
| 5.0 m | 2.20 m | 2.40 m | 3.40–4.10 m |
* Values above are simplified theoretical references calculated from throw ratio × image width. Actual installation distance and supported image size should be confirmed using the specifications of the selected projector model.
After confirming throw ratio, also check the supported image-size range, brightness, native resolution, mounting position, geometry correction, lens adjustment options and other installation requirements of the selected model.
The right short throw projector should be selected according to the complete projection environment rather than throw ratio alone. Start with the application, screen size and available installation distance, then evaluate brightness, resolution and installation requirements.
Start by identifying whether the projector will be used for education, meetings, training, simulation, golf simulator, immersive projection or another commercial AV application.
Confirm the required image width and height before selecting the projector. Image width is especially important because it is used together with projection distance to calculate throw ratio.
Measure the actual space available between the projector and the screen. This determines whether a short throw, ultra short throw or another optical configuration is appropriate.
Divide projection distance by image width. Then compare the result with the optical specifications of available projector models to find a suitable match.
Required lumens depend on image size, ambient light, screen surface and viewing conditions. Larger images and brighter rooms generally require higher projector brightness.
Finally, check native resolution, mounting position, geometry correction, connectivity and other model-specific installation features required for the complete projection system.
Providing basic project information allows our team to compare projector throw ratios and product specifications more efficiently before recommending suitable models.
Two projectors with similar throw ratios may have different brightness, resolution, supported image sizes and installation capabilities. The final model should match the complete projection environment and project requirements.
Learn more about throw ratio, installation distance, brightness, shadow reduction, application selection and OEM cooperation for short throw and ultra short throw laser projectors.
Both are designed to create large images from shorter distances. Ultra short throw projectors operate much closer to the screen, while short throw models usually provide more installation distance and positioning flexibility. The final choice depends on the actual throw ratio required.
Throw ratio is calculated by dividing projection distance by image width. For example, if the projector is 1.8 meters from the screen and the required image width is 4 meters, the required throw ratio is approximately 0.45:1.
Not completely. Shorter projection distance can help reduce the chance that presenters, players or equipment block the projected image, but shadow performance still depends on projector position, screen size and how people move within the projection area.
Required brightness depends on image size, ambient light, screen material and viewing conditions. A small classroom may require much less brightness than a large simulation or immersive environment, so lumens should be selected according to the complete installation.
Yes. Short throw projectors are commonly considered for golf simulator rooms because they can be installed closer to the impact screen and may help reduce player shadow interference. Screen width and projector position should be checked before selecting the throw ratio.
Yes. Suitable short throw models can be used where projectors need to fit into limited installation space. For simulation and immersive systems, also evaluate brightness, native resolution, geometry correction and edge blending where those functions are required and supported.
Yes. Depending on the selected model and order requirements, available private label options can include product logo customization, startup logo setting, user manual customization, carton packaging and black or white housing options.
Send your application, screen width and height, available projection distance, ambient light conditions, required resolution, mounting position, connectivity requirements and expected quantity. This information helps us compare suitable short throw or UST models more efficiently.
