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PENTAX 21790 DA 55MM F/1.4 SDM LENS
PRIME STANDARD LENS; IDEAL FOR PORTRAIT, STILL LIFE OR LOW-LIGHT PHOTOGRAPHY; FAST F/1.4 APERTURE FOR OUTSTANDING DEPTH OF FIELD CONTROL; FOCAL LENGTH EQUIVALENT TO 84.5MM IN 35MM FORMAT; ROUNDED DIAPHRAGM BLADES CREATE A MORE CIRCULAR APERTURE FOR SMOOTH, BEAUTIFUL BOKEH AT LARGE APERTURE SETTINGS; SDM AUTOFOCUS SYSTEM FOR ACCURATE, QUIET FOCUSING; HIGH-PERFORMANCE AERO BRIGHT COATING ON INTERNAL LENS ELEMENTS OFFERS HIGH REFRACTION INDEX FOR IMPROVED LIGHT TRANSMISSION WITH MINIMAL GHOSTING OR FLARING; QUICK-SHIFT FOCUS SYSTEM FOR INSTANT SWITCHING FROM AUTO TO MANUAL FOCUS; WEATHER- & DUST-RESISTANT CONSTRUCTION FOR SAFE & RELIABLE OPERATION IN THE FIELD; DEVELOPED SPECIFICALLY FOR PENTAX
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