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by Bob Dodds
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by Bob Dodds
| ![Carl Zeiss Jena R-Biotar T 75mm f1.5 1951 or later](https://a4.pbase.com/g1/58/797858/3/92453096.xyWWFGPW.jpg) Carl Zeiss Jena R-Biotar T 75mm f1.5 1951 or later
by Bob Dodds
| ![CZJ Biotar 1:1,5 f=7,5cm (Zenit M39 mount)](https://a4.pbase.com/g1/62/611962/3/121328499.GbxasjRI.jpg) CZJ Biotar 1:1,5 f=7,5cm (Zenit M39 mount)
by koji kawakami
| ![Asahi-Kogaku Takumar 83mm f/1.9](https://a4.pbase.com/o9/00/534500/1/164883601.5dWjB3gH.dia_Tak_83mm.jpg) Asahi-Kogaku Takumar 83mm f/1.9
by Andreas Isenegger
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