Konica Praktica Lens Mount Adapter 2 brand_Lee which won't affect imaging but

which won't affect imaging but keep this setup firmly in the aforementioned "user" category

it comes reeeeeal close to covering Micro Four Thirds (with minor vignetting)

B+W 022 Yellow F-Pro filter for lenses with 67 mm threads

accurate focusing and excellent performance

Konica Praktica Lens Mount Adapter 2 brand_Lee which won't affect imaging butThe Konica Praktica lens mount adapter II lets you use Praktica thread mount lenses on your Konica Autoreflex camera. But you should know that this adapter will also let you use Pentax M42 lenses. Konica won't tell you that because those Nihonbashi fatcats want to keep you buying Konica lenses to sustain their lavish lifestyle!