ZWO M42-M42 extender (21mm length )

Article number: ZWO T2-EXT-21
Availability: Order Now!
Delivery time: Ships from our west coast warehouse in 7-10 days

21mmextend

Attached with the ASI071MC-C.

21mmextender

 

 

 

 

 

 

It can help you to reach 55mm back focus distance

for example:attach the 21mm extender to ASI071 to reach 55mm back focus distance:17.5mm+21mm+16.5mm=55mm

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