CJ20ex7.8B

General

Size (W x H x L) 169.9×114.4×230.0mm
Weight 2.18kg

Magnification & Lens

Angular Field of View 63.2°×38.2°
3.5°×2.0°
34.2°×19.6°
1.8°×1.0°
Built-in Extender 1.0×2.0×
Focal Length 7.8-156mm
15.6-312mm
M.O.D 0.80m
Maximum Relative Aperture 1:1.8 at 7.8-108mm
1:2.6 at 156mm
1:3.6 at 15.6-216mm
1:5.2 at 312mm
Object Dimensions at M.O.D. 91.7×51.6cm [at 7.8mm]
4.8×2.7cm [at 156mm]
45.9×25.8cm [at 15.6mm]
2.4×1.4cm [at 312mm]
Zoom Ratio 20x