Lens smc PENTAX-DA★300mmF4ED[IF] SDM 6 photo by Staff PP An image captured with the DA☆ 300mm F4 lens at open aperture Comment This image appears to have very little vignetting and fine resolution along edges, although it might be just my personal impression. Aperture F4.0 Shutter speed 1/2000 ISO sensitivity 100 White balance AUTO WB Focal length 300mm Exposure compensation 0 Crop mode FF Custom image Bright Digital filter None Lens correction OFF Photo retouch None Share Share