Optoma LED Technology
Powered by 3 x LEDs, the HD91 delivers enhanced image quality with a wide colour gamut, superior colour saturation and outstanding brightness using separate red, blue and green LEDs to produce intense yet accurate colours. Advanced switching of these LEDs provides increased image stability that rivals the performance of 3-chip DLP projectors.
Performance is nothing without consistency. Unlike traditional lamp technology, the LED illumination in the HD91 provides consistent brightness and colour performance, so maintaining its out-of-the-box image quality throughout its lifetime and saving you from costly calibrations.
The benefits don't stop there. In many situations the perceived brightness of the HD91 LED projector can be up to twice the brightness of an equivalent lamp-based projector. Utilising this phenomenon, known as the Helmholtz-Kohlrausch (HK) effect, the HD91 produces vivid, intense colours. This enhanced brightness perception enables the HD91 to comfortably render screen sizes far higher than its ANSI brightness specifications would suggest. This allows the HD91 to handle low levels of ambient light with less impact on image quality than lamp-based systems.Pure Motion
Hue (dominant wavelength)
Chroma (saturation) Value (brightness)
Finally, the lamp-less LED illumination engine that powers the HD91 does not require the inconvenience and cost of frequent lamp changes to maintain its optimal performance. It also doesn't need lengthy warm-up and cool down cycles before and after every viewing due to its almost instant start up and shut down times.
Full HD 1080p
Sharper more detailed projection with 1920 x 1080p pixels, perfect for watching Blu-ray movies without downscaling or compression.
Dynamic Black
Dynamic black smoothly adjusts the lamp output automatically, based on the brightness information of each frame; to create a stunning 500,000:1 contrast ratio. Bright scenes are crisp and clear, while dark scenes remain detailed with deep blacks which gives exceptional light and shade detail.
PureMotion
The HD91 Incorporates the next generation of our frame-interpolation processing - PureMotion4. In its lowest setting, PureMotion4 retains the “dream like” quality of film while maximising the detail of every frame – whereas the highest setting virtually eliminates motion Blur; perfect for fast-paced sports, where absolute fluidity is essential. Whether you are watching in 2D or 3D, Puremotion4 gives you silky smooth performance.
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Ultra Detail
UltraDetail uses sophisticated motion adaptive edge enhancement algorithms to ensure that all the information contained in an image is faithfully reproduced on the screen giving a stunning crystal clear, pin sharp picture.
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PureColor
PureColor provides vivid, perfectly balanced colour with impeccable colour uniformity for vibrant natural looking images. Deep Color makes it possible for the HD91 to reproduce billions of colours ensuring smooth tonal transitions and subtle graduations between hues.
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Colour Guarantee
 We are so confident that the HD91 image colour quality will remain as good as the day you bought it that Optoma will guarantee it for five years.
CMS+
 Get perfectly calibrated picture quality most fitting to the physical setting of your room. The HD91 comes equipped with a full colour management system, giving you the flexibility to choose between 5 preset colour gamuts (Native, Adobe, DLP-C, HDTV and SMPTE-C), 6 colour temperatures (D50, D65, D83, D93 and Native) or alternatively, fine tune intensity and x/y co-ordinates of primary and secondary colours for ultimate calibration precision.
HDMI Link
Control HDMI CEC compatible devices. HDMI Link allows you to turn on/off the HD91 and multiple source device with one remote.
2D-3D Conversion
See more in 3D with the built in 2D to 3D converter. You can now enjoy the big game, your favourite TV shows, and movies in stunning 3D to ensure you get the most out of your experience. Dedicated 2D to 3D technology converts 2D movies and shows into 3D, making even familiar content more thrillingly immersive than ever before.
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24p
Most movies are shot at 24 frames per second. To preserve the purity of the original image the HD91 can accept High Definition sources at 24 frames per second and so to display movies exactly as the director intended.
3D Glasses
For that seamless 3D experience, use our ultra-high performance ZF2100 wireless 3D glasses. Developed in parallel with our “Full 3D” projectors, the ZF2100 system & glasses are optimised to provide you with higher contrast & brighter images than ever before, while eliminating tedious issues with emitter placement, limited range and potential interference commonly experienced when using Infra-red.
Fully rechargeable, our ZF2100 glasses give you the peace of mind that comes with knowing both installing and using them will be hassle free.
DLP® Technology - The Greatest 3D Home Cinema Experience!
Create the most vivid & compelling 3D experience available anywhere. Unlike competing technologies, DLP from Texas instruments uses millions of tiny mirrors to maximise the available light output and high contrast while the inherit speed completely eliminates crosstalk.
Full 3D
Using the inherent speed of DLP technology, The Optoma HD91 Full 3D projector can display true 3D content form almost any 3D display device, including 3D Blu-ray, PS3, Xbox and Sky3D.
Why use a projector for 3D?
It is a widely accepted fact that the bigger the image, the greater the 3D effect - for the best results it is essential to fill your field of vision, without having to be too close to the screen. Even a huge 50” TV can only create a window on the 3D world, whereas the immersion & excitement created by a massive 150” projection screen makes you feel like you are part of the action!
3D Movies:
Now that all the latest 3D movies have arrived on Blu-ray 3D™ you can enjoy the same jaw-dropping 3D cinema experience at home, now in fantastic 1080p Full High definition.
3D Sports:
Couldn’t get tickets for the big match? - The HD91 brings the big picture home like never before. With more matches broadcast in 3D every season, you’ll never miss the great moments in sporting history and you can re-live them time after time as though you were actually there.
Flexible Placement
The efficiency of the LED powered HD91 produces less heat so less cooling is required, resulting in near silent operation. Therefore, the HD91 can be installed closer to walls or ceilings or even built into a small enclosure offering previously unexplored installation options. The light weight 7kg and compact size of the HD91 simplifies any installation.
Lens Shift
The combination of Lens Shift and a wide 1.9x zoom range enables a wider range of projector placement possibilities. This remarkable combination makes it easier to position the projector in your viewing room and allows a wider range of screen size options.
Anamorphic Lens
The HD91 allows you to connect an anamorphic lens so you can enjoy cinemascope 2.35:1 movies using the full 1080p resolution of your projector. Using this fully automated solution allows you to view both 16:9 an superwide content without seeing black bars at the top and bottom of your screen. www.panamorph.com
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