Lens smc PENTAX-DA★50-135mmF2.8ED[IF] SDM 109 photo by Staff niji A cat Comment I switched the PENTAX K-1's Crop mode to APS-C setting to get a perspective equivalent to a 200mm focal length in the 35mm format. Aperture F2.8 Shutter speed 1/15 ISO sensitivity 6400 White balance AUTO WB Focal length 135mm Exposure compensation 0 Crop mode APS-C Custom image Bright Digital filter None Lens correction ON Photo retouch None Share Share