If you are going to use your binoculars for astronomy and don't want the hassle of using a tripod, 7x50 binoculars are a classic size. In recent years the giant binoculars have captured the headlines, but these are still unbeatable for viewing really extended open clusters and nebulae and as far as astronomy binoculars go, nothing is easier to use than a 7x50.

Review: Orion GiantView 25×100 Binoculars – AstroGear Today Review: Orion GiantView 25×100 Binoculars – AstroGear Today

Given the weight of these binoculars, this enjoyment was only made possible by Orion’s Monster Parallelogram mount. Although these binoculars come with a harness, we realized during our Vortex 10x50 Crossfire HD binocular review that the padded case forms part of the harness so you can't use one without the other which is a little frustrating.

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The Skymaster does have two clear advantages over both Omegons: on the one hand, the Celestron warranty, which is in many countries „limited lifetime“, whereas the Omegons come with the only 2 year warranty common (and mandatory) in the EU. And on the other hand, the possibility to adjust the tripod adapter to the center of gravity even when the IPD is narrower than 60 mm. These are really important factors that directly effects the actual brightness of the observed image. The term used to describe this percentage of light that is not lost through the optical system is transmittance. With traditional tripods this can be a little awkward as the legs often get in the way. I have a couple of Vanguard tripods that have an adjustable central column that you can effectively use to position your binoculars away from the center of the tripod (see image below) so you can more easily position yourself under your optics, which I found worked really well for astronomy. What these coatings do is to assist light transmission. It is important to note how the manufacturer describes their coatings as they are not all created equal. Ideally you want to see "Fully Multi-Coated" which means that all air to glass surfaces have received multiple layers of antireflection coatings. If you just see "Fully Coated" or "Multi-Coated" it means only some surfaces have coatings or they only have a single coating and thus will not perform anywhere near as well as Fully Multi-Coated binoculars assuming everything else is equal.

SkyMaster 25x100mm Porro Binoculars | Celestron

The Nikon Action EX 12x50 binoculars are a great alternative to the typical 10x50 binoculars because they offer a larger 12x magnification and the same 50mm aperture. The construction is outstanding, with comfy rubber grips and a big focus knob. Eye relief is 0.51-inches (13 mm). Fujinon has long been recognized as one of the premier Japanese optical brands and the FMT-SX line is the culmination of years of research and development to produce the ultimate binocular for marine and astronomical observers. Let’s take a look at some of the best 25x100 binoculars out there and how they can enhance your viewing experience.In addition, we also recommend some corresponding products.You can use these binoculars in any weather or location, thanks to their complete weather sealing. They are also fog-proof due to being nitrogen-purged. With BaK-4 prisms and multi-coated lenses, you can expect good optics that are similar to more expensive models. The only thing we weren't particularly impressed with was the quality of the eyecups, which are just average and don't provide much relief, especially if you wear glasses. However, eyecups aside, the Nature DX ED 12x50 binoculars are built with excellent quality and have durable rubber armor that protects them from water and impacts.