Features: High-precision achromatic multi-lens (3) system Diopter focusing adjustment by a precision helicoil screw Fully coated color corrected glass lenses…
Features: High-precision achromatic multi-lens (4) system Fully-coated, color-corrected lenses Diopter focusing adjustment by a precision helicoil Designed for use with…
Features: High-precision achromatic multi-lens (4) system Fully-coated color-corrected lenses Diopter focusing adjustment by a precision helicoil Designed for use with…