ZWO Nikon Lens Adapter for 1.25"/31mm/36mm Filter Wheels (ZWO-EFW-NIKON-II)

ZWO Nikon Lens Adapter for 1.25"/31mm/36mm Filter Wheels (ZWO-EFW-NIKON-II)The ZWO new EFW Nikon II adapter with 20mm thickness design is independently developed by ZWO. Its suitable for connecting Nikon lenses with ZWO 1. 25 31mm 36mm filter wheels. With an M42x0. 75 thread, it fits perfectly on the 2" Electronic Filter Wheel from ZWO and then matched only with ASI cooled cameras that have a 6. 5mm back focus length, like the ASI1600, ASI533, ASI183, and ASI294 cameras.

allowing you to bring your subject into focus two times faster

we recommend APS size formats

That means you can get more out of every observing session

The 2" nosepiece is integrated into the eyepiece body which saves about 21 mm in focus travel

T-Threads accept camera brand specific T-Ring (sold separately)

allowing you to easily use the “averted vision” technique to study faint details across a huge field-of-view

And even though this adjustment is ultra-precise

Even at highest magnification

Plan (multi-target)

and a StarPointer Pro finderscope

Getting both imaging camera and autoguider to reach focus with one another is time consuming and sometimes requires experimentation

you will notice that objects may be either upside down