Multiple layer coated aspherical lenses elements for light reflection and minimal distortion, nice images brightness, contrast and quality.
Eyepiece with eye protectives soft glue, inner objective lens add yellow plated film turn-back film, in order to solve the problem of insufficient light, make the scene more clear.
A truly infinite smooth varying zoom, accurate focusing system, ultra clear the built-in wide-angle lens, allows you to see larger Angle.
Corrective optical coating are fine for color fidelity and minimize distortion. Diopter system adjusting the imbalance of both eyes. The smooth and large center focus knob makes it simple to operate and easy to focus.
Type: with compass, without compass (optional)
Objective lenses: 35mm
Exit pupil distance: 3mm
Exit pupil diameter: 1.8mm
Package size: 190 * 80 * 70mm / 7.5 * 3.1 * 2.8in
Package weight: 688g / 1.5lb
1 * Telescope