Focal Distance 11-18mm, 35mm format value 17-27.5mm equivalent (when PENTAX APS-C size SLR camera is installed) Open squeezing F2.8 minimum aperture F22 lens configuration 11 groups 16 angle of view (diagonal) 104-76 ° (PENTAX APS-C size SLR camera is installed) mount type kaf3 The shortest shooting distance 0.3m Maximum shooting magnification 0.10 times Filter diameter 82mm Light amount adjustment method Completely automatic squeezing Number of squeezed feathers 9 sheets, circular squeezing (11mm → f2.8-4.5 18mm → f2.8-5.0) Aperture ring None Syujin None Lens food PH-RBF82 (attached) Lens cap O-LC82 (attached) Lens case S120-150 (attached) Maximum diameter x length 90mm x about 100mm mass (weight) 704g (739g with hood) Use temperature -10-40 ° C Used humidity 85%or less (not condensation) bundled accessories Lens Food PH-RBF82, lens cap O-LC82, lens mount cap K, lens case S120-150
