Sell biological eyepiece EYE-WF10X/20-B high eye point

Description

1.With the same optical path design as WF*0X/**-A, only different on drawtube outside and the reticle.
2.Big field number ?*0mm, field area could reach **4mm2, *1% bigger than common eyepiece.
3.We use same high quality aluminum as plan series and do anodise black and matte process also.
4.This eyepiece is cheap and still has high eyepoint and nice image.
5.Suitable for biological microscope.
6.Work with eyecup(rubber).