Focal Distance 85mm, 35mm scrutineup value 130mm equivalent (when PENTAX APS-C size SLR camera is installed) Open squeezing F1.4 minimum aperture F16 lens configuration 12 10 groups angle of view (diagonal) 28.5 ° (PENTAX 35 ml size SLR camera is installed) 19 ° (PENTAX APS-C SLR camera installation) mount type kaf4 The shortest shooting distance 0.85m Maximum shooting magnification 0.12 times Filter diameter 82mm Light amount adjustment method electromagnetic aperture, completely automatic squeezing Number of squeezed feathers 9 pieces, circular squeezing (F1.4-F2.8) Aperture ring None Syujin None Lens food PH-RBG82 (attached) Lens cap O-LC82 (attached) Lens case S130-160 (attached) Maximum diameter x length 95mm x about 123.5mm mass (weight) about 1255g (with hood → about 1355g) Use temperature -10-40 ° C Used humidity 85%or less (not condensation) bundled accessories Lens Food PH-RBG82, lens cap O-LC82, lens mount cap K, lens case S130-160 Others HD coating, SP (Super Protect) coating, AW (dust/drip -proof structure), Quick Cinift Focus System (QFS/M), SDM (ultrasonic motor)