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
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.
| 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.
External filter wheels for Gx CCD cameras · EFW User's Manual
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.
| Wheel diameter (mm) | 184 |
|---|
Data sheet