Specifications 

1-High magnification. Available in 4x ,6x and 6.5X options.
2-The angle and the distance between the left and right lens barrels can be adjusted separately.
3-Working distance: 330mm- (420mm recommended) - 550mm.
4-Field of view: 70/60 mm

5-Depth of field: 90/70/mm

6-Weight: ~140 grams

Warranty 

One Year