10×42 Binoculars,ED Lens,BAK 4 Prism,FMC Multilayer Broadband Coating,Nitrogen-Filled and Waterproof,Suitable for Bird Watching,Outdoor Hunting,Travel,Sightseeing,Concert…

Price: $399.00
(as of Sep 08, 2022 03:00:55 UTC – Details)

1.The parameters of the Binoculars include magnification,eyepiece size,objective lens size,lens barrel length,exit pupil distance,etc.It is best to achieve an extremely accurate ratio,not that the larger the magnification,the better