DETAILS: These versatile, ready to install mount models offer the convenience of installation to the ceiling or the wall and provide drop length options without the need of additional accessories. These mount models provide the first true comprehensive projector mounting solution in a single package. Product Description: Peerless PARAMOUNT Ceiling/Wall Projector Mount with Adjustable Extension PPB-S - mounting kit ( Tilt & Swivel ) Product Type: Mounting kit ( Tilt & Swivel ) Mounting Components: Extension column, ceiling plate, mounting adapter, horizontal adjuster Adjustable Width: 16.5-42 cm Adjustable Depth: 16.5-42 cm Adjustable Height: 42.5-65.2 cm Weight: 3.7 lbs Recommended Use: Projector Material: Cold-rolled steel Color: Silver Manufacturer Warranty: 5 years warranty UPC: 0735029255420
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$89.99  | Full Motion Mount with 10.5" Extension for Flat Screen TV's (10" - 47" Screens) By Level Mount Buy Cheap Full Motion Mount with 10.5" Extension for Flat Screen TV's (10" - 47" Screens). With Special Pomotions |
Extension tubes are designed to enable a lens to focus closer than its normal set minimum focusing distance. Getting closer has the effect of magnifying your subject (making it appear larger in the viewfinder and in your pictures). They are exceptionally useful for macro photography, enabling you to convert almost any lens into a macro lens at a fraction of the cost while maintaining its original optical quality. The extension tubes have no optics. They are mounted in between the camera body and lens to create more distance between the lens and film plane. By moving the lens father away from the film or CCD sensor in the camera, the lens is forced to focus much closer than normal. The greater the length of the extension tube, the closer the lens can focus. The Opteka Auto Extension Tube Set contains three tubes of different length, a 13 mm, 21 mm, and 31 mm, which can be used individually or in any combination to obtain the desired magnification. Opteka's Auto Focus extension tubes are designed with all the circuitry and mechanical coupling to maintain auto focus and TTL auto exposure.
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