Celestron OptiView LPR 10x50 mm Binoculars
by CELESTRON
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Manufacturer: CELESTRONDigital Cameras Photo Reviews of Celestron OptiView LPR 10x50 mm Binoculars
Customer Review: Worth having for city astronomers
Summary: 4 Stars
These binos are for specialized viewing imo. They do a truely remarkable job of bringing out bright nebulae in urban skies. The Rosette nebula was clearly visible with the filters but without them applied it was invisible. Same for M17 in Sagittarius, and the view of M16 was also improved although it could be glimpsed without the filters. Surprisingly, I recently saw the Dumbell Nebula M27 with them. Not bad for 10x binos! Collimation was also good. It "simulates" well a dark sky.On the minus sides, coatings on the lenses were cheap. The Moon showed numerous reflections/ghosts. These binos are on the heavy side for 50mm, due partly to the use of (heavier) BK7 prisms instead of lighter (and brighter) BAK-4 prisms (such as I have for my Orion Scenix 10x50) as well as the filter assembly. Hand holding them gets painful after awhile, so mounting them on tripod is probably a good idea. If you are not specifically into looking at bright nebulae (or don't live in light-polluted areas) then a pair of BAK-4 prism type binos would be a better choice. Easier to hand hold longer and (slightly) brighter images.
The use of built-in LPR filters in binoculars is a good idea. But it would have been an all-around better decision to use (the lighter weight) BAK-4 prisms, even if it meant raising the price somewhat. For now I'm keeping them, along with my Orion Scenix, as they both have their use for me in my urban skies.
Addendum: Apogee Inc. (http://www.apogeeinc.com) has recently come out with its own line of binoculars (that DO use BAK-4 prisms) with built-in LPR filters, so they may also be worth checking out.
Description of Celestron OptiView LPR 10x50 mm Binoculars
NEW Celestron OptiView LPR 10x50 mm Binocs have built-in polarizing filters to reduce unwanted glare. Finally, top-grade Binoculars with built-in sunglasses! Light Pollution Reduction. Unlike other binocs, this Celestron OptiView model has filters that you can rotate in place to block out unwanted light. Glare is noticeably reduced, especially over bright water or snow. The filter deepens the blue of sky and increases clarity. Celestron filters are high-quality, flat, polished optical glass; The filters are protected with over 40 layers of broadband anti-reflection coating to improve images; Thumbwheels rotate filters in place; Top-grade Bk-7 porro prisms; Fully-coated 50 mm objective lens for tops in clarity, brightness; 367' F.O.V. @ 1,000 yds.; Fast center wheel focusing; Foldable eyecups for eyeglass-wearer comfort; Tripod adaptable; Includes lens covers, neck strap and carrying case. See what you've been missing by filtering out the glare. Order ONLINE Now! Celestron OptiView LPR 10x50 mm BinocularsBinoculars
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