RELIFE M-21 0.5x 0.7x auxiliary lens (Any one lens)

RELIFE M-21 0.5x /RELIFE M-22 0.7x auxiliary lens
suitable for a variety of stereoscopic microscopes on the market
increases the effective working distance and gives you a broader vision

• Barlow APO Magnification Lens 0.5 X
• Increases the effective focal length of an optical system
• The Barlow APO has a greater transmission of light a greater brightness of the images
• Mounting size: 1-7/8″ (48mm) in diameter
• Easy to attach on objective, just screw it on
• For SZM, ST, SM and SW series stereo microscopes.
• Working distance is 165 mm (WD165)