Moravian EFW-3S-7 — external filter wheel, 7 × 2" / 50 mm, for G3 CCD cameras A seven-position external filter wheel for Moravian G3 CCD cameras. It connects to the camera head with a single short 8-wire cable, needs no separate power or PC connection, and is controlled by the same drivers as an internal wheel.
Manufacturer model: Moravian EFW-3S-7 (G3) · Specifications checked against manufacturer data on 2026-11-03
Moravian EFW-3S-7 — external filter wheel, 7 × 2" / 50 mm, for G3 CCD cameras
A seven-position external filter wheel for Moravian G3 CCD cameras. It connects to the camera head with a single short 8-wire cable, needs no separate power or PC connection, and is controlled by the same drivers as an internal wheel.
Specifications
Code
EFW-3S-7
Compatible cameras
G3 CCD (external-wheel versions)
Positions
7
Filters
2" threaded cells, unmounted Ø50 mm or Ø50.8 mm
Shell diameter
212 mm (S series)
Weight
0.85 kg, without filters
Connection
8-wire cable to camera head
EFW-3S-7 and EFW-2S-7 are mechanically identical; the codes only assign the wheel to the camera type.
Mark I G3 CCD wheel, not the Mark II EFW-3S-7-II. G3 cameras with internal wheel cannot take an EFW. Moravian shop lists 184 mm wheel diameter; 212 mm is the shell.
Moravian EFW-3S-7 — external filter wheel, 7 × 2" / 50 mm, for G3 CCD cameras A seven-position external filter wheel for Moravian G3 CCD cameras. It connects to the camera head with a single short 8-wire cable, needs no separate power or PC connection, and is controlled by the same drivers as an internal wheel.
Manufacturer model: Moravian EFW-3S-7 (G3) · Specifications checked against manufacturer data on 2026-11-03
