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1/2″ SDTV Lens

S20 × 6.4BMD / BEMD

Camera format 1/2″
Focal length 1 × 6.4 - 128 mm
2 × 12.8 - 256 mm (BEMD)
Zoom ratio 20 ×
Extender 2 × (BEMD)
Maximum relative aperture 1 : 1.4 (6.4 - 90 mm)
1 : 2 (128 mm)
M.O.D. from the front of lens 0.9 m
Object dimensions at M.O.D.
4 : 3 Aspect ratio
1 × 6.4 mm   846 × 635 mm
128 mm   42 × 32 mm
2 × 12.8 mm   423 × 317 mm
256 mm   21 × 16 mm
Angular field of view
4 : 3 Aspect ratio
1 × 6.4 mm   53°08′ × 41°07′
128 mm   2°52′ × 2°09′
2 × 12.8 mm   28°04′ × 21°14′
256 mm   1°26′ × 1°04′
Macro Standard
Filter thread M82 × 0.75
SizeΦ × Length Φ85 × 190 mm (BMD), Φ85 × 204.1mm (BEMD)
Mass (without lens hood) 1.45kg (BMD), 1.55kg (BEMD)
Available model S20 × 6.4BMD-DSD / -D18 / -D38*
S20 × 6.4BEMD-DSD / -D18 / -D38*

Note

  • * Zoom, Focus and Iris should be operated by Sony's control unit.