Compatible with following model:
- Pentax K-7
- Pentax K-7D
- Pentax K-5
- Pentax K-52
- Pentax 645D
- Pentax K5IIS
- Pentax K5II
- Pentax K01
- Pentax K3
- Pentax K-3 II
- Pentax 645Z
- Pentax D-BG4