BaK4 prism glass is made from Barium Crown glass and is used for better light transmission on binocular lenses, helping refract light and reduce reflection too with multi-coated optics. When possible you should always look for this glass on binoculars as they improve the image seen dramatically through the lens. Important specs of the binos are their multi-coated and bright optics and 354ft field of view, they also have a 12mm eye relief and close focus distance range of 23ft. The model is tripod adaptable for extra stability too.

The lens mounted to my Samsung Galaxy S21 Ultra, and with the diffuser hood attached (Image credit: Beth Nicholls) Moment Macro Lens: Key Features To conclude, these AMRTI 10x50 binoculars are not a bad choice if you after a simple to use design with an easy focus knob and great, high-contrast images. The affordable Celestron Porro Prism binoculars feature a 10x magnification of binoculars and have a 50mm objective lens size to see brighter objects.The wide-field view can come in handy when bird spotting and non-slip grip increase comfort when using the binos. Design-wise, these pair of binoculars from Nikon come in a nitrogen gas design which allows them to be fog proof as well as waterproof for periods of time (up to 1m for ten minutes). The binos have turn and slide rubber cups too. Nikon is well known for creating high-end binoculars with crisp images, this 10x magnification and 50mm objective lens model in particular features a durable roof prism design with a weight of 815g. The accessories included with the macro lens include a removable diffuser hood for achieving the perfect focus, a front lens cap for keeping your lens protected and scratch-free, and a handy microfiber carrying bag for taking your lens out on adventures. Wherever your phone goes, so should this lens. These binoculars by Nikon have such a premium build and excellent top of the range specs such as 19mm eye relief and a 5m close focus distance. We also like this model thanks to its lightweight which enables you to use the binos without strain.

As a second choice, we would recommend the Opticron 30689 Adventurer T WP 10x50 Binoculartoo ,these binoculars use BAK-4 glass prisms for the best quality lenses and have excellent eye relief for people who wear glasses. Downfalls of the binoculars by Nikon have to be then lens caps which are said to be of very poor quality and can fall off the strap of binoculars easily and get lost. The dioptre rings of the bright binocular are also reported to be hard to adjust. Overall, these 10x50 binoculars from Nikon Prostaff are a good choice if you want a pair of binoculars that are reliable and give high-resolution and bright images from their multi-coated lenses. It is true that the larger the objective lens is on your binoculars then the heavier it will make the binos due to the added size but for most people, better light is a good trade for some extra weight, but you do need to watch this if you want to keep your binos compact for travel. In terms of the design, the whole binoculars weigh around 750g and use a centre focusing wheel for ease of use. They also have a leatherette-look semi rubber armour and fold-down rubber eyecups. Some accessories included with binos are; a case, nylon strap, lens cover and warranty. Conclusion

Frequently asked questions (FAQs)

There are many important specs to watch out for in your new binoculars, we will highlight a few of the most essential ones; Porro Prism or Roof Prism design, eye relief distance, close focus distance, the field of view, exit pupil, design, weight and warranty. You should also make sure the lenses of your binos are multi-coated for better image quality.