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2. Slide projector - Wikipedia

   en.wikipedia.org/wiki/Slide_projector

   This projector had provision to reduce lamp power by 20% to double its life (50 hours at full brightness). [4] Light from the bulb is modified from a point source by reflection and passing through condenser lens(es) to generate a collimated beam, which is then directed through the slide. A flat piece of heat-absorbing glass is usually placed in ...

3. List of Panasonic video projectors - Wikipedia

   en.wikipedia.org/wiki/List_of_Panasonic_video...

   1 Home Theater Projectors. 2 References. Toggle the table of contents. ... 120W UHM Bulb 3LCD: Composite, S-Video, Component PT-AE200 February 2003 858x484 16:9

4. Projector - Wikipedia

   en.wikipedia.org/wiki/Projector

   A projector or image projector is an optical device that projects an image (or moving images) onto a surface, commonly a projection screen. Most projectors create an image by shining a light through a small transparent lens , but some newer types of projectors can project the image directly, by using lasers .

5. The best portable projector I've ever used is down to a ... - AOL

   www.aol.com/lifestyle/best-portable-projector...

   This mini projector stands less than two inches high, but delivers crisp 1080p video and comes with Android 10.0 built in. (Photo: Xgimi) Although 1080p resolution is a far cry from 4K, a native ...

6. Large-format slide projector - Wikipedia

   en.wikipedia.org/wiki/Large-format_slide_projector

   A large-format slide projector (also often called large-format projector or large-image projector) is a kind of slide projector for large image projection which has a very powerful light source (up to 12 thousand watts using arc lamps). The light source generates a lot of heat even when filtered to only visible light; the projected transparency ...

7. Slide cube projector - Wikipedia

   en.wikipedia.org/wiki/Slide_Cube_projector

   The Slide Cube Projector is a slide projector and system, manufactured and marketed by Bell & Howell, which was introduced in 1970 and marketed through the 1980s.The projector derived its name from its transparent cubical plastic slide storage magazine, approximately 5.5 cm (2.2 in) in each dimension (a bit larger than a standard 135 film slide mount), that held 36 to 44 slides, depending on ...