Nikon
Jupiter -21M Disassembly and Aperture Modification.
Jupiter -21M Disassembly and Aperture™ Modification™. Not For The Faint-Hearted
#Jupiter #21M #Disassembly #Aperture #Modification
“S0L”
#oldlens #vintagelenses #vintagelens
In this video I will show how to disassemble the Jupiter-21M. I will also share a secret modification that will increase its speed to around F3.5.
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