Pentax PF-CA35 camera lens adapter

149mm x 59mm, Sleeve 31.7mm, 250g, black - Instant conversion of a PENTAX spotting scope into a K-mount super-telephoto lens
- High-performance five-element, four-group optics with high-grade glass optical elements for sharp, high-resolution image reproduction
- PENTAX-original multi-layer coating on all lens surfaces to optimize color balance and light transmission efficiency
- Effortless sleeve-mount system offering a focal length identical to the eyepieces for speedy transition from observation to photography