RPM Extender 50 mm WDS when used with the CS-151

when used with the CS-151 clamp

An adjustable diopter allows the user to customize the loupe for their vision

Weight not included

while the shade is finally placed across the support bars

OLED Displays Focal Length and Aperture

RPM Extender 50 mm WDS when used with the CS-151WHF 9 RPM Extender 50 mm The RPM Extender 50 mm fits the RPM GFX helical focusing mount and the lens to obtain more close up focus. WHF 7 WHF 9 units are stackable in order to optimize your system for the desired magnification range. Product details Fitting to the Cambo Long Helical Focusing Mount Fitting to the Cambo RPM GFX Technical details Height 50mm extension per unit Outer diameter 80 mm Weight 120 gram per unit