IR Focal
Length
Minimum
Aperture
Lens Filter Weight Notes Images Credit
35mm 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