Binoculars 10-24x50 High-Definition NightBig Eyepiece Range Finder Optical Lens Broadband Green Film for Bird Watching Hunting and Sightseeing HD Binoculars - RFJYGWQM, FH6RT2504

• ◆Broadband Green Film: Also Known As An Enhanced Green Film. In Different Environments, Observations Will Show Different Bands. Green Films Are Mostly Used In Military Telescopes. This Is Because Military Telescopes Have Very High Requirements On The Spectral Range And Transmittance. Generally, Green Films Are Used. ◆Large Eyepiece Large Field Of View: The Larger The Eyepiece, The Larger The Field Of View, The Wider The Field Of View, The Clearer And Brighter The Image, And The Higher The Comfort Of Observation. ◆High-Quality BAK4 Prism: AAK4 Is A Kind Of Material With Higher Refractive Index Than BK7, Which Can Effectively Avoid Vignetting. BK7 Is Called General Optical Glass, And Dark Edges Appear Around The Imaging, So That The Brightness Of Imaging Is Lost, And The Color Reproduction Is Also Affected. Obvious Damage. ◆50MM Large Caliber: 50mm Large Objective Lens Diameter, Greatly Improve The Light Transmittance, So That The Viewing Field Is Larger, The Imaging Is More Clear And Bright. ◆HD Infinitely Variable 10-24 Times: This Telescope Can Be Adjusted From 10 Times To 30 Times.