Celestron - Cometron 7x50 Bincoulars - Beginner Astronomy Binoculars - Large 50mm Objective Lenses - Wide Field of View 7x Magnification
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Saturday, Jul 12
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Style: Cometron
Set: Binoculars
Features
- EASY-TO-USE ASTRONOMY BINOCULARS FOR BEGINNERS: Cometron 7x50 binoculars are an easy, affordable way to learn the night sky and get started with astronomy.
- 7X MAGNIFICATION: With their wide field of view that reveals a larger portion of the night sky, Cometron is ideal for panning across the Milky Way, exploring constellations, and viewing large objects like comets.
- 50MM OBJECTIVES WITH MULTI-COATED OPTICS: Large objective lenses gather more light while multiple layers of anti-reflective coatings boost light transmission. Views are bright and detailed with increased contrast and resolution.
- DURABLE AND WATER-RESISTANT: A rubber-armored housing protects your binoculars from damage and provides a secure gripping surface. The water-resistant exterior and stands up to tough conditions and unexpected rainy weather.
- UNBEATABLE WARRANTY & CUSTOMER SUPPORT: Buy with confidence from Celestron, a leading optics brand in California since 1960. Your purchase includes a Celestron Limited Lifetime US Warranty & US-based expert tech support.
Description
Get ready for the next awe-inspiring comet with a pair of sleek, portable Celestron Cometron 7x50 binoculars. The large 50 mm objective lenses and multi-coated optics offer amazing light-gathering capabilities that bring celestial objects into bright, sharp focus, making them ideal for comet watching, stargazing, and viewing craters on the Moon. Cometron 7x50’s wide field of view lets you explore expansive swaths of the sky to quickly pinpoint exactly the object you want to see, then keeps it in your sights without constant movement. Cometron 7x50’s rubberized aluminum housing is durable, lightweight, and tripod adaptable for extended comfort during long stargazing sessions. The binoculars come with a wide neck strap and a carrying case for security, portability, and grab-and-go convenience. Nitrogen Filled: No. Carrying Case: Woven Nylon.
Brand: Celestron
Objective Lens Diameter: 50 Millimeters
Magnification Maximum: 7
Color: Black
Material: Aluminium Housing
Size Map: Full Size
Model Name: 71198
Eye Relief: 13 Millimeters
Binocular Prism Description: Porro Prism
Exit Pupil: 7.1 Millimeters
Product Dimensions: 9 x 8 x 3 inches
Item Weight: 2 pounds
Item model number: 71198
Is Discontinued By Manufacturer: No
Date First Available: August 2, 2013
Department: unisex-adult
Manufacturer: Celestron
Country of Origin: China
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Jul 12
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: Cometron
Set: Binoculars
I've been observing the night sky with binoculars and telescopes for 30 or so years, and I've tried to frugal about my equipment purchases, so I understand the budget-minded astronomer. I totally get that. I'll start with the positives. These binoculars are lightweight, easy to hold, come with a nice wide strap, soft carrying case, plus they have firm interpupillary distance adjustment, stiff center focus knob that will not move when you press your eyes against the eyepieces, and importantly, a diopter adjustment for the right eye. To be honest, for the $35 I spent on these in May 2020 (may be different when you buy these), that was more than I expected. There are four caps to cover the eyepieces and objects lenses. There is even a 1/4-20 thread at the central portion so you can attach these to a binocular bracket and a tripod. Honestly, all of that is REALLY nice for the price paid. Can't complain about that at all. When looking at objects, the view was - well, I guess for the price pad, it was not bad. Not great, but not bad either. I have seen much worse. The set I purchased were collimated (meaning both sides of the binoculars are parallel, so the images "merge" at your eyes and don't cause eye strain trying to make them line up). The star images in the central 50% to 60% of the field of view were pretty sharp. Not quite pinpoint, but again, for the price paid, better than I expected. In short, could I see more stars than I could naked eye? You bet. But this is where the lower cost becomes obvious. I compared these to a $100 set of binoculars I own. Exact same specs - 7x50's, and I compared them on the same night, side by side, on the same objects. Keep in mind, a $100 set of binoculars is not all that expensive. Even they are considered rather average in cost and specifications. I own both better and worse binoculars - so these are good "middle ground" to test against. Yet in those, I could see more. A LOT more. For one, in the "better" binoculars, the stars were not only more pinpoint in the center, they were pinpoints all the way out to the edge. In the Celestron... not so much. They began to get less pin-point-like outside of 50%, and by the outer 15% to 20% of the field, they were quite distorted - like seagull shapes. So brighter stars are visible there, but are not as clear. And dimmer stars just get smeared out of existence, until you move them into the central area. So you lose some effective field of view because the stars simply become "not" stars anymore. This is less than ideal for things binoculars should excel at for astronomy: Sweeping the Milky Way, looking at large clusters, or see more of the sky than a telescope can show you. Even worse if you're looking for galaxies, as very "seagull star" looks like a galaxy at the edge, until you realize, "No, that's not a galaxy - it was a smeared star." And another issue: Fewer stars visible. I aimed mine north towards light polluted Chicago, at the two stars that frame M57, the Ring Nebula. I could not see the nebula in either set of binoculars, my "good" pair" or this one. But there are many stars in that area, due to it being just off the edge of the galactic plane. In my "good" 7x50's, I counted 19 stars visible. In the Cometron, just 14. In another test looking at the area of Pollux and Castor, I got a similar result. These means the Cometrons lost about 1/2 a magnitude of stars. If the idea is to see more stars with binoculars, not seeing another 25% you COULD see just by having a little bit better binoculars means you may miss a lot, especially in light polluted areas. That's why I aimed mine towards light pollution, to see what the effect would be. That's a lot of stars you either could see, or miss out on. You'll have to answer whether that matters to you or not - I get it, it's about a price point too. I am fairly confident the fewer visible stars was because the dimmer stars aren't even visible, as there are fewer anti-reflection coatings on the Cometrons, so dimmer stars get "bounced off" the glass and never make it to your eyes. 1/2 a magnitude may not seem like a lot, but the difference between seeing all stars down to 7th magnitude stars (26,533) versus 6th magnitude (8,768) is a HUGE number. Even taking half of that difference to account for it being a half a magnitude - that's potentially 8,882 stars you will NOT see. That's a lot of stars you'll miss. And those are potentially observable, in light polluted areas. But the Cometron's will keep you from seeing them. And lastly, I think the prisms in this set of optics are smaller than they should be. There is something odd about how I had to hold them to get a good image. In most binoculars, I can hold the specs up to my eye and see the whole field. In these, I sometimes had to hold the binocular further AWAY, otherwise there was this "kidney-beaning" effect there the outer edge would just be black. It was rather difficult to hold them just-right to get a good image. Perhaps that might work okay for eyeglasses wearers, because the eye relief is further back. For me it was a bit difficult to use. Conclusion: If you have a VERY small budget for binoculars, these are minimally adequate. They will focus okay, but not perfectly. And they will show you more than you can see naked eye, for sure - several magnitudes fainter than naked eye, to be sure. But you will still see less than you could see in the same size, if slightly better, binoculars. And they have some pretty significant aberrations, which should not be discounted. It would be money well spent for better ones if you are able to afford it - the greater light throughput will show you more stars, and the better focus both in the center and especially at the edges will give you a far better overall view of the heavens. I have looked through worse binoculars, so I don't say "Do not buy these." Because they will indeed improve on what you can see naked eye. But it could be better.
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Reviewed in the United States on May 25, 2020 by DF
Style: Cometron
Set: Binoculars
This is an economical value for the beginning astronomer. Would order a tripod as well as need a steady surface to prevent "bounce". You have option of using with or without glasses. And are appropriate for star viewing. I was able to view the so-called "green comet" with these binoculars.
Reviewed in the United States on March 3, 2023 by Amazon Customer
Style: Cometron
Set: Binoculars
Daughter likes them
Reviewed in the United States on March 17, 2023 by Jenn
Style: Cometron
Set: Binoculars
For the price of $26 its great! I have never used binoculars before and wanted to see if they could help without spending over $100+. It comes with a nice bag, lanyard and it has a clear un-distorted image. I was using these for hunting in dawn/dusk, its amazing the difference these make. When an animal would be fuzzy and barely visible naked eye, these make viewing so much brighter and easy to identify features. They are big and heavy but as to be expected, I think I will get a mount for them in the future for longer viewing times. My only gripe with them is they can easily fog up if its a cold morning, when viewing near your warm face. Next hunting season I will be going with a waterproof/fog proof Nikon 7239 Action 7x50 and keep this pair for a friend or backup in the blind 24/7.
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Reviewed in the United States on January 5, 2023 by Blake
Style: Cometron
Set: Binoculars
I got these for Christmas, and took them right outside! It was cold (-20 °C / -5 °F) and visibility was pretty good. I really enjoyed seeing everything right side up & with BOTH EYES! The field of view is quite wide, and the contrast was great. Note 1: For stargazing with a telescope I like to stand up. However, I will be using these sitting down and lying back. Looking straight up with both eyes makes my sea-legs a bit wobbly :-), Note 2: When stargazing with a telescope I use an eyepatch to keep one eye fully dark adapted. I don't think I will be able to use that trick with binoculars :-), so I'll have to rethink my stargazing routine a bit. Maybe I'll have to listen to Cory Hart and start wearing my sunglasses inside at night...
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Reviewed in the United States on December 25, 2022 by CowsEatGrass