Feature

●Focal Length:9 mm (0.35 in), Apparent Field of View:50 °, Barrel Size (in):1.25 in (32 mm).
●Number of Lens Elements:4, Eye Relief (mm):6 mm (0.24 in).
●An essential microscope accessory . is a practical accessory, easy to install.
●Please contact us directly for immediate assistance if you have any problem with our product, we would be very pleased to help you and we will reply as soon as we can.


Description

Barrel Size: 1.25 inches (31.7 mm)

Type: Monocular
Note:
Please allow 1-3cm error due to manual measurement. Thanks for your understanding.