Focal Distance 43mm 35mm format 66mm equivalent (PENTAX APS-C size SLR camera is installed) Open squeezing F1.9 minimum aperture F22 lens configuration 7 6 groups angle of view (diagonal) 53 ° (PENTAX 35 mm size SLR camera is installed), 36.5 ° (PENTAX APS-C size SLR camera installation) mount type kaf The shortest shooting distance 0.45m Maximum shooting magnification 0.12 times Filter diameter 49mm Light amount adjustment method Completely automatic squeezing Number of squeezed feathers 8 cards circular aperture (43mm F1.9-F3.5) Aperture ring Yes Syujin None Lens food MH-RG49 (attached) Lens cap O-LW54A (attached) Lens case P60-120 (attached) Maximum diameter x length about 64mm x about 27mm Mass (weight): Approximately 155g (with hood: about 163g) Use temperature -10-40 ° C Used humidity 85%or less (not condensation) bundled accessories Lens Food MH-RG49, lens cap O-LW54A, lens mount cap K, lens case P60-120 Others HD coating, SP (Super Protect) coating, body color (silver)