Moravian EFW-3L-9 — external filter wheel, 9 × 2" / 50 mm, for C3 and C1× A large nine-position external filter wheel for Moravian C3 and C1× cameras built for external wheels. It uses the "L" adapter base and is powered and controlled by the camera head through a single 8-pin cable.
Manufacturer model: Moravian EFW-3L-9 (C3/C1x) · Specifications checked against manufacturer data on 2026-11-03
A large nine-position external filter wheel for Moravian C3 and C1× cameras built for external wheels. It uses the "L" adapter base and is powered and controlled by the camera head through a single 8-pin cable.
| Code | EFW-3L-9 |
|---|---|
| Compatible cameras | C3, C1× (EFW versions) |
| Positions | 9 |
| Filters | 2" threaded cells or unmounted Ø50 mm |
| Adapter base | "L" size; -3 version with 44 mm M3 mounting pattern for C2/C3 |
| Filter space | Threaded cell up to 8.5 mm total; unmounted filters up to about 3.5 mm |
| Connection | 8-pin cable to camera head; powered by camera |
| Off-axis guider | OAG-3-M68 (M68 × 1, 61.5 mm back focus) supports EFW-3L |
Moravian filter wheels · Filter Wheels User's Guide
Cx-series EFW-3L-9 for C3/C1x. Diameter and weight not published for the Cx version (older G3 L-series shell: 252 mm, 1.20 kg).
| Adapter base | L, -3 version 44 mm M3 pattern |
|---|---|
| Filter space | cell 8.5 mm total; unmounted ~3.5 mm |
| Oag | OAG-3-M68 compatible |
Data sheet
Moravian EFW-3L-9 — external filter wheel, 9 × 2" / 50 mm, for C3 and C1× A large nine-position external filter wheel for Moravian C3 and C1× cameras built for external wheels. It uses the "L" adapter base and is powered and controlled by the camera head through a single 8-pin cable.
Manufacturer model: Moravian EFW-3L-9 (C3/C1x) · Specifications checked against manufacturer data on 2026-11-03
