Moravian EFW-4L-9 — external filter wheel, 9 × 2" / 50 mm, for G4 CCD cameras A nine-position external filter wheel for round 2" / 50 mm filters, made for Moravian G4 CCD cameras. Moravian notes that round filters can vignette the edges of the G4's large sensor depending on the optics used.
Manufacturer model: Moravian EFW-4L-9 (G4) · Specifications checked against manufacturer data on 2026-11-03
A nine-position external filter wheel for round 2" / 50 mm filters, made for Moravian G4 CCD cameras. Moravian notes that round filters can vignette the edges of the G4's large sensor depending on the optics used.
| Code | EFW-4L-9 |
|---|---|
| Compatible cameras | G4 CCD |
| Positions | 9 |
| Filters | 2" threaded cells, unmounted Ø50 mm or Ø50.8 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. Round filters may vignette depending on optics.
Data sheet
Moravian EFW-4L-9 — external filter wheel, 9 × 2" / 50 mm, for G4 CCD cameras A nine-position external filter wheel for round 2" / 50 mm filters, made for Moravian G4 CCD cameras. Moravian notes that round filters can vignette the edges of the G4's large sensor depending on the optics used.
Manufacturer model: Moravian EFW-4L-9 (G4) · Specifications checked against manufacturer data on 2026-11-03
