OPTUS 10-30x60 Zoom Binoculars: Binoculars with Continuous Magnification and Full Coating, Ideal for Bird Watching, Nature Watching and Astronomy, Includes Bag and Carry Strap

Bonne qualité d'image par rapport à d'autres modèles bien plus chers.Zoom utilisable jusqu'à 15-20x ce qui est déjà beaucoup.Excellente luminosité. Poids raisonnable aussi.

The product looks good.I'm no expert, but I think these binoculars are pretty good! Its optics magnify very well. The most optimal magnification is x15 - x20. For high magnification, you need a tripod. The rest of the accessories are included, although they are not of such high quality. The belt is too thin for the weight. It hurts to wear. I'll replace it with a wider one.Great binoculars for nature lovers.

Talk to anyone in the astronomy community about zoom binoculars and watch amusingly at how they all react. Zoom binoculars are controversial in astronomy.The points that people make are well founded, usually undersized prism, awful red or ruby objective lenses, narrow field of view, dark image, prism becoming dislodged etc. etc. etc.That being said, these are my second pair of zoom binoculars, the first i bought back in 2019 for £10 had all of the issues above, i got about 3 years out of them, they weren't the best but served a purpose, quick viewing when i was too lazy use one of my telescopes.These zoom binoculars are better, much better.Pros:- No red or ruby objective lenses.- Reasonably sharp field of view at all magnifications.- Almost full flat field of view (See Neutral as to why).- From the lowest magnification to 20X, they are parfocal to my eyes, no refocusing necessary and the while the apparent field of view increases, the true field of view doesn't shrink, that is to say, what you see at 10X you see at 20X but with much more magnification. The binoculars shine the most at 15-20X.- Comfortable to hold but very heavy, a tripod is recommended for long term use, especially 15X and above.- Not waterproof but are fine in reasonably wet weather.- The ones i own haven't fogged up.- Chromatic aberration is low, you have to look for it.- The view appears to improve the more you magnify, as long as you keep the binoculars stable.- Reasonable eye relief, not enough for eye glass wearers.- The view is much brighter than my older 50mm zoom binoculars but dimer compared to my none zoom binoculars, obviously.- Sturdy build quality.- They have a port to attach a tripod adapter.Cons:- Longer eye guard would have been useful as the eye relief is longer than their length.Neutral:- The field is reasonably flat, no bending straight lines but comes at a cost of narrower field of view, at least in the lower magnification settings.- You need a tripod to get any benefit out of these, higher magnifications are too unstable to not use a tripod. This cant be stressed enough.These wont replace fixed focal length binoculars, a telescope with a zoom eyepiece would walk all over these in terms of stability, brightness and likely field of view as long as its a refractor with a corrected right way up image but that would come at a price that is about 5X at minimum what these cost.Zoom binoculars are a bit of fun, i like the idea of them and these are the best that i have used, as long as you don't expect miracles or take things to seriously, you cant go wrong with them, they are as good as it gets for zoom binoculars unless you spend £100 or more for much less aperture.

Son unos binoculares muy completos ....Ahora a disfrutarlo

Sehr gutes Fernglas, mein Mann ist sehr damit zufrieden. Preis Leistung passt auch sehr gut.