High temperature direct view pinhole long lens YLTT-650

YLTT-650mm
Technical parameters F3mm-8mn/1:2.7; 0°/60°; CS interface Dimensions (nm) φ25*650
Zoom target surface Zoom lens/manual fixed focus lens Close-up distance (m) 0.3
Pixels 4 million pixels Pinhole high temperature zoom lens Field of view angle 81°~120°
Type Stainless steel material, manual retraction adjustment, high temperature resistance, corrosion resistance Pinhole diameter (nm) φ2.0