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Short overview videos about microscopes, telescopes, binoculars, spotting scopes, monoculars, magnifiers, weather stations, planetariums and other Discovery products

Playlist with reviews of laser levels, site laser rangefinders, tape measures and other Ermenrich measuring tools.

From the review of the Ermenrich LV60 PRO Laser Level, you will learn all about its features, specifications, and kit as well as the pros and cons of the device

This review contains detailed information about the Ermenrich LT40 Laser Level, its functionality, specifications, setup, and application

Riflescope review by Sergey Maltsev

Choosing a magnifier for working with small objects? Watch the video review of the Levenhuk Zeno Vizor G1 head magnifier. The video shows the main characteristics of this model. This video has been posted on Northern Optics, youtube.com