Focal Distance 77mm 35mm format value 118mm equivalent (when PENTAX APS-C size SLR camera is installed) Open squeezing F1.8 minimum aperture F22 lens configuration 7 6 groups angle of view (diagonal) 31.5 ° (PENTAX 35 mm size SLR camera is installed), 21 ° (when PENTAX APS-C SLR camera is installed) mount type kaf The shortest shooting distance 0.7m Maximum shooting magnification 0.14 times Filter diameter 49mm Light amount adjustment method Completely automatic squeezing Number of squeezed feathers 9 cards circular aperture (77mm F1.8-F4) Aperture ring Yes Syujin None Lens food Built -in drawer -type food Lens cap O-LW54A (attached) Lens case P60-120 (attached) Maximum diameter x length about 64mm x about 48mm mass (weight) about 270g Use temperature -10-40 ° C Used humidity 85%or less (not condensation) bundled accessories Lens cap O-LW54A, lens mount cap K, lens case P60-120 Others HD coating, SP (Super Protect) coating, body color (silver)