Astrozap Bahtinov focusing screen 63mm to 139mm #AZ-501 - $10

Astrozap Bahtinov focusing screen 63mm to 139mm #AZ-501 - $10
October 25, 2020
— Keith Weisz
iPhone SE   *   iPhone SE (1st generation) back camera 4.15mm f/2.2   *   ISO 25   *   1/60 sec @ f/2.2

Used item for sale. (Donated to CLAS by Alan Karty.)

For details on how to make an offer, go to our For Sale page.

Photo ID: 16_IMG_2325