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Orion 9546 Resolux 15x70 Waterproof Astronomy Binoculars
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- 15-power astronomical binoculars with a rugged housing provide high-resolution views with a pleasing flat-field
- Fully waterproof and nitrogen purged construction prevents lens fogging
- High-quality BAK-4 prisms and advanced multi-coatings on all optical surfaces provide maximum light throughput for bright views rich in contrast
- The high-power 15x70 Resolux binoculars have a nice 4.4-degree field of view for big views
- Attachment to a tripod with the included tripod adapter is recommended for extended use
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|Package Height||6.7 x 11.6 x 14 inches|
|Shipping Weight||9.8 pounds|
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This item Orion 9546 Resolux 15x70 Waterproof Astronomy Binoculars
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|Item Dimensions||—||4 x 8.5 x 11 in||7.1 x 6 x 2.5 in||14 x 11 x 6 in|
|Item Weight||—||3.28 lbs||2 lbs||3.25 lbs|
|Objective Lens Diameter||—||70||50 millimeters||70|
Resolux binoculars are our new favorite astro binoculars (and equally superb for long-distance daytime viewing), combining high-resolution, flat-field optics with rugged mechanical construction and the strict JTII spec for collimation. They are fully waterproof, and nitrogen purged to prevent internal lens fogging. The BAK-4 prisms and advanced multi-coatings on all optical surfaces really drink in the light. The eyepieces focus individually, and with 18mm or more of eye relief on each model, even eyeglass wearers will see the full field of view. The Resolux's all-metal housing is armored with thick rubber to ensure a secure, comfortable grip. Each binocular comes with tethered lens caps, heavy-duty tripod adapter, and neck strap. The 50mm models include a padded soft carrying case. Two-year limited warranty.
From the Manufacturer
15-power astronomical binoculars with a rugged housing provide high-resolution views with a pleasing flat-field. Fully waterproof and nitrogen purged construction prevents lens fogging. High-quality BAK-4 prisms and advanced multi-coatings on all optical surfaces provide maximum light throughput for bright views rich in contrast. The high-power 15x70 Resolux binoculars have a nice 4.4-degree field of view for big views. Attachment to a tripod with the included tripod adapter is recommended for extended use
Top Customer Reviews
I was going to purchase a pair of used Fujinon or other high enders on Ebay, but am glad I decided to give these a shot. ONE NOTE: I have yet to test these out under the stars...will keep posted.
Fit and finish are top quality. The individual focus is stiff, but for Astronomy use, where you set it infinity and leave it there, this is not a bad thing. You can easily split most doubles rated for binoculars, and spurious color on bright objects is notable for its lack. The view is sharp over most of the field (we center things anyway, right?) The only caveat is the 5lb+ heft, but this is not a problem with some type of mount - even a monopod may be sufficient.
I own 4 binoculars for Astronomy, but this is the best by far. Chinese made, but goes head to head with the best from Japan - at half the price.
These are quite heavy... would prefer seeing the bar mount found on the 20x80 and 25x100 also on this model. I did enjoy handholding while reclined on an air mattress. Edges of the eyecups can chafe a bit... perhaps more anatomical/tactical cups are available. That said, handholding was not difficult when looking near vertical.., but is quite hard at less than 60 degrees without elbow support.
Mild to moderate Chromatic Abberation exists when viewing brighter stars, galaxies, and planets, but it's quite reasonable for the main purpose of viewing tight constellations, stars, planets, and galaxies. When viewing the Moon, the CA at the terminus is often visible in both Magenta and Yellow-Green, but the sharpness and contrast make up for it... lunar image takes up about 25-30% of the FOV. Moderate CA during daytime terrestrial viewing is visible, particularly near dusk and dawn. I think adding a flourite element between the Bak4 and the eyepiece would improve performance dramatically.
Overall, a great set of binocs for someone getting into Astronomy who wants to build familiarity and also get fairly close to the moon without dripping a bundle.