gem testing microscope 6.5-45X(90X) *Zoom:6.5-45X(90X) *Without Sliding baffle *Top ,bright and dark field illuminatio
gem testing microscope 6.5-45X(90X)
Specification :
Stereo zoom 6.5-45X(90X),Zoom ratio 1:7
* Working distance:99mm
* The range for adjusting the diopter:+/-5
* The range for adjusting the focus:135mm
* Wide-angle eyepieces with high point
* Optic head and stand tilt to a more natural 40°viewing angle
* Three kinds of illumination fields
* Tungsten-halogen darkfield/brightfield intensity
* Adjustable iris diaphragm to control width of light beam
* Fluorescent illumination simulates north daylight,ideal for diamond color grading
* Work normally in 90-230V voltage range and the luminance is steady
* Built-in optical-fiber illumination
gem testing microscope 6.5-45X(90X)
