2/3″ SDTV Lens

A20 × 8.6BMD / BEMD

Camera format 2/3″
Focal length 1 × 8.6 - 172 mm
2 × 17.2 - 344 mm (BEMD)
Zoom ratio 20 ×
Extender 2 × (BEMD)
Maximum relative aperture 1 : 1.8 (8.6 - 115 mm)
1 : 2.7 (172 mm)
M.O.D. from the front of lens 0.9 m
Object dimensions at M.O.D.
4 : 3 Aspect ratio
1 × 8.6 mm   866 × 650 mm
172 mm   43 × 33 mm
2 × 17.2 mm   433 × 325 mm
344 mm   21 × 16 mm
Angular field of view
4 : 3 Aspect ratio
1 × 8.6 mm   54°11′ × 41°59′
172 mm   2°56′ × 2°12′
2 × 17.2 mm   28°42′ × 21°43′
344 mm   1°28′ × 1°06′
Macro Standard
Filter thread M82 × 0.75
SizeΦ × Length Φ85 × 186.3 mm (BMD), Φ85 × 200.3mm (BEMD)
Mass (without lens hood) 1.45kg (BMD), 1.55kg (BEMD)
Available model A20 × 8.6BMD-DSD, A20 × 8.6BEMD-DSD