Month: 7 月 2021

Product Tutorial

What is a diopter ？How do I focus my binoculars?

A diopter is a measure of

2021-07-19 没有评论

Purchase Guide

What is the interpupillary distance? How do I adjust it on my binoculars?

Interpupillary distance (

2021-07-16 没有评论

Product Tutorial

What is Exit Pupil and Eye Relief?

Exit Pupil The exit pupil

2021-07-13 没有评论

Purchase Guide

Should I use a tripod or a monopod?

What optic is being used?

2021-07-12 没有评论

Product Tutorial

Smartphone Adapter Tips

Camera Controls The stand

2021-07-09 没有评论

Product Tutorial

What is the difference between BaK-4 and BK-7 glass?

There are literally thous

2021-07-08 没有评论

Purchase Guide

What are Twilight Factor and Relative Brightness and how do I Calculate them?

Twilight Factor is a numb

2021-07-07 没有评论

Purchase Guide

Safety Warning

BINOCULARS, MONOCULARS, A

2021-07-06 没有评论

Purchase Guide

What are the issues to consider when buying binoculars?

Compactness and ruggednes

2021-07-05 没有评论

Purchase Guide

Reasons for the large price gap of telescopes

Lens coating Lens coating

2021-07-02 没有评论

Purchase Guide

How to adjust the sight distance of the telescope

First, adjust the positiv

2021-07-01 没有评论

Address: No.1, Group 1, Xiawa Village, Nanyang City, Henan, China

Tel/Fax: +86-150-90109285

Email: jun@opticschinasupplier.com

Month: 7 月 2021

What is a diopter ？How do I focus my binoculars?

What is the interpupillary distance? How do I adjust it on my binoculars?

What is Exit Pupil and Eye Relief?

Should I use a tripod or a monopod?

Smartphone Adapter Tips

What is the difference between BaK-4 and BK-7 glass?

What are Twilight Factor and Relative Brightness and how do I Calculate them?

Safety Warning

What are the issues to consider when buying binoculars?

Reasons for the large price gap of telescopes

How to adjust the sight distance of the telescope

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