Features:
With Dual Ring:50mm(diameter) or 40mm(diameter),22mm(diameter)
Large table stand for stereo microscopes
29cm microscope high pillar
Size: 22cm x 15.5cm x 33cm(height)
Material: Alloy Aluminum
there is a 50mm to 40mm Ring so you can use it both for 180X /300X lens and 100X lens
Package Including:
1 x Digital Microscope Table Stand
1 x 50mm to 40mm Ring