WANDERER ASTRO FILTER WHEEL ADAPTER FOR ETA M77 4 mm Backfocus distance 55mm

4 mm Backfocus distance 55mm from M48 thread (after adjustment - see Backfocus tab) SKU WO-P-FLAT8

31mm or 36mm EFW

Every SII filter is marked with its unique serial number and individual passing band certificate

On the exterior of the eyepiece

WANDERER ASTRO FILTER WHEEL ADAPTER FOR ETA M77 4 mm Backfocus distance 55mmThis adapter allow to use the Wanderer ETA without an Off Axis Guider. The correct configuration is Wanderer ETA filter wheel adpter Filter Wheel Camera. It is compatible with 2 inch, 50mm, and 36mm filter wheels from ZWO, QHYCCD, ToupTek, and Player One. For filter wheels from other brands, please consult the dimensional chart to ensure compatibility.