Adapter M72a to M68i – for Takahashi

The shortes connection would be Baader Takahashi Adapter M72/M68 (Zeiss) # 2558230 - 10mm M68 to T-2 Conversion Ring # 2458233 - 5,5mm We'd also recommend a quick-changer like Baader TQC/TCR Heavy duty T-2 Quick Changing System (T-2 part #06A & #07) # 2456322 - 15mm so that you can rotate star diagonal and binoviewer into a conveniant angle.

The shortest adaptioation is probably - Takahashi Adapter M72/M68 (Zeiss) # 2558230, optical length 10mm - M68 to 2" UNFi Conversion Ring # 2458232 (that's the female SC-thread), optical length 5mm - Baader 2"/2" Inverter Ring with 48mm filter thread # 1508020 Then you just have to remove the 2" nosepiece from the prism and insert the inverter ring, so that you can attach the M68 und the M72 adapters. But please note that this is a fix connection, which you can't easily rotate. If you want to rotate it (and can't rotate the whole focuser), you can use in addition - Baader M68/S68 Changer to fit Zeiss adapter system (dovetail clamp only) # 2458180 plus - Baader M68/S68 steel change ring to fit Zeiss adapter system (dovetail-ring only) # 2458185 with a combined length of 25mm. Instead, you could also use - Takahashi Adapter M72/M68 (Zeiss) # 2558230, optical length 10mm - Baader Ultrashort 2" eyepiece clamp # 2458196, optical length 12mm and use the prism with its 2" nose piece. Then you can clamp the prism like any standard 2" accessories and rotate it as you like it.