Product: Skygenius 8x21 Compact Binoculars Lightweight for Concert Theater Opera, Mini Pocket Folding Binoculars for Adults Travel Hiking Bird Watching
Brand: SkyGenius

New version of 8x21 binoculars, ergonomic design provide 
observers a stress-relief holding posture to further enrich 
enjoyment of long time oberving. 
 
Attention:  
When using binoculars, do not look directly at strong light or the sun, otherwise it will damage your eyes. 
 
Basic Parameters 
 
Weight: 0.54 Ib 
 
Eyepiece Diameter: 16 mm 
 
Objective Lens Diameter: 21mm 
 
Type of Prism: BK-7 
 
Lens Coating: FMC 
 
Field of View: Angle 7.2°, 430ft/1000Yds (131m/1000m) 
 
Exit Pupil Diameter: 3.1mm 
 
Exit Pupil Distance: 2mm 
 
 
Maintenance Instruction:  
Try not to touch the lens with finger. If you want to wipe the lens, please use a clean and soft mirror cloth, dust off or gently wipe the lens surface to avoid scratches caused by hard objects. 
Do not force collision or violent vibration during use to avoid damage to binoculars. 
If the binoculars are found to be out of order, please don't disassemble and repair them by yourself. Send it to a professional maintenance or contact us. 
If the binoculars are long-term non-use, it should be add to the original packaging and stored in dry conditions to extend the service life. 
 
*If you encounter any problems, please don't be nervous, please contact us at the first time, unless there is a special holiday, we will reply to you within 24 hours.
[ Professional Roof Prism Binoculars ] Designed with 8X power magnification, 21mm objective lens and 369ft/1000yds large field of view, allows you get a wide and clear view from over 1000 yards away
[ Pocket Binoculars Mini Size ] The lightest Roof binoculars for only 175g, Lightweight as the phone. Fordable and portable design perfect for taking around anywhere--opera, concert, theater, shows, traveling, hiking, safari, wildlife, bird watching, outdoor sports
[ HD Vision with Quality Optics ] Lens made with Bk-7 Roof Prism and FMC muti-coated broadband green film increasing light transmission for a brighter view and sharp images.
[ Easy to Focus ] Adjust by smooth "center-focus knob" and right eye lens, easy to focus even for kids. Suitable for whole family both adults and kids.
[ Reliable After Service ] Any time you encounter any problems don't hesitate to contact us. We will present a satisfactory solution for you.

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