Made a focus tab for the Sonnar.

Happy with how it turned out. Good ergonomics. Rotates freely. Minimally interferes with the viewfinder—just visible at the edge in some positions, never shows up within the 50mm frame lines.

Matte ASA, fine-shaped with file and sandpaper, polished with dimethylsiloxane, finished with microfiber cloth. Fixed in place with four M2 brass screws in thread inserts against inlaid foam rubber.

#Photography #Mod #FocusTab #Zeiss #Contax #ASA #3DPrinting #Maker