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2. Digital single-lens reflex camera - Wikipedia

   en.wikipedia.org/wiki/Digital_single-lens_reflex...

   A digital single-lens reflex camera (digital SLR or DSLR) is a digital camera that combines the optics and mechanisms of a single-lens reflex camera with a solid-state image sensor and digitally records the images from the sensor. The reflex design scheme is the primary difference between a DSLR and other digital cameras.

3. Lenses for SLR and DSLR cameras - Wikipedia

   en.wikipedia.org/.../Lenses_for_SLR_and_DSLR_cameras

   The M42 lens mount is a screw thread mounting standard for attaching lenses to 35 mm cameras, primarily single-lens reflex models. It is more accurately known as the M42 × 1 mm standard, which means that it is a metric screw thread of 42 mm diameter and 1 mm thread pitch.

4. Consumer Reports - Wikipedia

   en.wikipedia.org/wiki/Consumer_Reports

   Consumer Reports (CR), formerly Consumers Union (CU), is an American nonprofit consumer organization dedicated to independent product testing, investigative ...

5. Single-lens reflex camera - Wikipedia

   en.wikipedia.org/wiki/Single-lens_reflex_camera

   Compared to most fixed-lens compact cameras, the most commonly used and inexpensive SLR lenses offer a wider aperture range and larger maximum aperture (typically f /1.4 to f /1.8 for a 50 mm lens). This allows photographs to be taken in lower light conditions without flash, and allows a narrower depth of field, which is useful for blurring the ...

6. 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.

7. JMGO Set to Ace Laser Projection with MALC™ 2.0 Triple Laser ...

   lite.aol.com/tech/story/0022/20240904/9225024.htm

   JMGO’s MALC™ 2.0 Triple Laser Optics breaks this barrier, enabling the N1S Series projectors to deliver up to 3,500 ANSI lumens of brightness while simultaneously maintaining an impressive 1,600:1 FOFO contrast ratio and covering 110% of BT.2020 with Δ<1 color accuracy.

8. Cooke Optics - Wikipedia

   en.wikipedia.org/wiki/Cooke_Optics

   the inverse telephoto (retrofocus) lens, created for use with the early Technicolor process, and now the standard design for wide-angle lenses in 35 mm and other small-format cameras; high-quality zoom lenses for cinematography and television; high quality lenses for cinema projectors; Cooke / Taylor-Hobson lens diagrams

9. I tried the Bomaker Polaris 4K projector — and it's a ...

   www.aol.com/entertainment/tried-bomaker-polaris...

   With a projector, that's one more thing to add, and then one more remote to juggle. The Bomaker Polaris 4K projector: my hands-on review Confession time: I realized my home-theater dream last year ...