Carl Zeiss Jena 50mm f1.8 Pancolar for M42 brand_Peak and includes the electrical contacts

and includes the electrical contacts necessary for some automatic exposure modes

That's the good part

easy to operate

Grab yourself a Paterson Auto-Load Reel for Super System 4 tanks and you'll be in a good spot

Carl Zeiss Jena 50mm f1.8 Pancolar for M42 brand_Peak and includes the electrical contactsThe Carl Zeiss Jena 50mm f1. 8 Pancolar is a fast standard lens for M42 mount. This is the distinctive zebra model oif this lens, with all metal construction. Focusing is smooth, diaphragm is clean. Optics are fre of haze or fungus, but do show pronounced yellowing. You can get rid of this with some UV light exposure, but weve left it as it is in case youre into it. A classic lens in excellent condition.