Posted 20 hours ago

Celestron 71008 SkyMaster 25x70mm Porro Prism Binoculars with Multi-Coated Lens, BaK-4 Prism Glass and Carry Case, Black

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About this deal

This intelligent, all-in-one observatory and astroimaging system emerges as a catalyst, eliminating the complexities traditionally associated with telescopes and, in turn, metamorphosing your backyard into an inviting gateway to the Universe. I was looking for a high powered bin that was also very versatile and so I decided to try out the 25x70 SkyMaster, because in my opinion, they sit on the cusp of what you can reasonably carry around and hand hold, but with a high powered 25x magnification they also give you plenty of reach and can still obviously be attached to your tripod. With exceptional optics, robust craftsmanship, and user-centric design, these binoculars push the boundaries of celestial observation. The high power zoom models (20-100x70 and 25-125x80) make it easier to see details at extreme powers when conditions allow. I had previously owned a pair of the same range smaller magnification binos at 15x70 a couple of years ago but sold them on after slimming down my equipment, and whilst there are certainly better binos out there, I knew that as long as there was no problem with alignment between the two barrels of the binos, then acceptable views where available from them.

Unlike many phony reviews out there, I wrote this Celestron SkyMaster 25x70 binocular review after actually using and testing them over many days (and nights in this case), both out in the field and in my office. This innovative software solves the time-consuming problem of trying to pinpoint the North Celestial Pole. So it was no surprise that the image I could see through my top end and my mid level 8x42mm controls was brighter than that through these. M57 next, which although very small in these binos, was still quite easy to pick out agaist the other stars in Lyra. Many affordable options might not provide sufficient stability or enough maximum height for viewing high in the sky.However, individuals with large glasses or sunglasses may find it challenging to obtain a full field of view due to the limited eye relief. Just point the telescope at any three bright objects—stars, bright planets, or even the Moon—and your telescope can orient itself with the night sky.

However in low light and very low light conditions, when your pupils dilate (usually between 5mm to 9mm), the smaller exit pupil means that they will appear less bright than a binocular with a larger exit pupil. Obviously I did not test them to destruction, but to me they look to be easily strong enough to take most normal, day to day bangs and bashes. Celestron’s FREE planetarium app is an astronomy suite that redefines how you experience the night sky.

The SkyMaster 25x70s’ exit pupils are nearly perfect circles, and the aperture of these binoculars is a genuine 70mm, with only minimal clipping around one edge of the exit pupil, which does not impact the views. Celestron has designed and engineered the larger SkyMaster models to meet the special demands of extended astronomical or terrestrial viewing sessions. As you can see from the table above, they have a wider FOV than the 30x Barska, but their 25x power reduces their FOV compared to others with lower magnifications and is also lower than that of the 100mm 25x binoculars.

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