Filter wheels

ZWO EFW 5x2" Filter Wheel The ZWO EFW 5×2″ Filter Wheel body is CNC milled from an aircraft graded aluminum block. Excellent craftsmanship, very th...

ZWO EFW 7x2" Filter Wheel The ZWO EFW 7×2″ Filter Wheel body is CNC milled from an aircraft graded aluminum block. Excellent craftsmanship, very th...

ZWO EFW 7x36mm Filter Wheel The new 36mm EFW (Electronic Filter Wheel) independently developed by ZWO for astronomical mono cameras. With the large...

ZWO EFW 8x1.25"/31mm Filter Wheel The ZWO EFW 8×1.25″/31mm Filter Wheel is larger than the EFWmini but still low on weight. Only 400 grams (14 oz)!...

ZWO EFW mini The ZWO EFWmini is the smallest and most lightweight 1.25″ Electronic Filter Wheel in the world! It has 5 positions for 1.25″ or 31mm ...

ZWO EFW 7x50mm Square Filter Wheel  The 50mm electronic filter wheel is CNC milled from an aircraft-graded aluminum block. Quality guaranteed!   Ad...