| IR | Focal Length |
Minimum Aperture |
Lens | Filter | Weight | Notes | Images |
|---|---|---|---|---|---|---|---|
| 35mm | ƒ/2.8 | SMC Pentax-DA 35mm F2.8 Limited Macro KEH |
⌀49mm | 215 g | My best lens on my converted Pentax K-7; good sharpness wide open; very sharp at ƒ/5.6 and above. Charles Kinghorn |