Moravian EFW-4L-7 — external filter wheel, 7 × 50 × 50 mm, for G4 CCD cameras A seven-position external filter wheel for square 50 × 50 mm filters, made for Moravian G4 CCD cameras. A single 8-wire cable to the camera head provides power and control, and software treats it exactly like an internal wheel.
Manufacturer model: Moravian EFW-4L-7 (G4) · Specifications checked against manufacturer data on 2026-11-03
A seven-position external filter wheel for square 50 × 50 mm filters, made for Moravian G4 CCD cameras. A single 8-wire cable to the camera head provides power and control, and software treats it exactly like an internal wheel.
| Code | EFW-4L-7 |
|---|---|
| Compatible cameras | G4 CCD |
| Positions | 7 |
| Filters | Square 50 × 50 mm |
| Shell diameter | 252 mm (L series) |
| Weight | 1.20 kg, without filters |
| Connection | 8-wire cable to camera head |
External filter wheels for Gx CCD cameras · EFW User's Manual
G4 CCD wheel. Square filters only. Not the 9 x 2in EFW-4L-9.