Kowa TSN 663 body

Kowa TSN 663 body

Optical Performance

66mm objective lens
PROMINAR XD lens and a dispersion concave lens help to minimize chromatic aberrations
Multicoated optical surfaces help maximize light transmission, sharpness, and color fidelity

Use and Handling

Smooth and coarse-focus knob
Integrated sunshade
Rotatable tripod collar with 1/4"-20 threading

Construction Details

Magnesium-alloy body
Nitrogen-filled to be fogproof
O-ring sealed to be waterproof