COSINON-S 50MM f/2 lens made by COSINA K-mount For PENTAX - Model: 50mm f/2 - Brand: COSINA - Model: COSINON-S 50MM f/2 The lens cap is MINOLTA, but it's a K-mount. It's an old lens, but it can be used normally with a digital SLR (autofocus is not available). Included accessories: Lens cap Front [MINOLTA] Rear [Plain] That's all. Thank you for looking.