With precision and high-performance optics, the HD PENTAX DA 21mm F3.2 AL Limited measures only 2.5cm in length. It is the ideal choice for carry- everywhere, instantaneous wide angle or everyday photography. With a minimal focusing distance of 0.2m and versatile angle of view, enjoy natural images with a moderate perspective or an expanded depth of field, making the lens ideal for many different types of subjects, stories, landscapes and life’s special occasions. With a rounded diaphragm at wide apertures, its unique design incorporates high-grade aluminum construction with treatments of both SP (Super Protect) and the PENTAX-original High-grade multi-layer HD (High Definition) coating.
Lens Mount PENTAX KAF mount
Model No.21410 – Black
Model No.21420 – Silver
Focal Length21mm (32mm in 35mm format)
Lens Construction [Elements/Groups]5 groups 8 elements
NotesHD coating Super Protect (SP) coating Rounded aperture (F3.2 to F4) Quick-shift Focus System MH-RBB43 metal lens hood included
Angle of View68°
Min. Aperture (f)F22
Min. Focusing Distance0.2m
Max. Magnification0.17X
Filter Size49mm (or 43mm mounted in hood)
Diameter & Length (mm)63mm x 25mm
Weight (g)134g w/o hood 146g w/hood
Diaphragm controlFully Automatic
Number of aperture blades7