HD DA 21/3.2 AL Limited

HD DA 21/3.2 AL Limited

General Description

This lens is almost identical to its predecessor, the smc PENTAX-DA 1:3.2 21mm Limited except for the following differences:

  • The new HD coating reduces reflections more effectively than the SMC coating. This increases the image contrast especially with back-light conditions.
  • The HD DA 35/2.8 has a rounded iris diaphragm (from f3.2 to f4) to enable soft round rendering of out-of-focus objects like point light sources.
  • The “Pentax 21” lettering on the top side of the lens barrel is replaced by “3.2/21”.
  • The HD version is 6 g lighter than the SMC version.
  • The HD version is available in black or silver while the SMC version was available in black, only

The dedicated hood of this lens has a bayonet mount. The counterpart, i.e. the lens’s bayonet mount for the hood, is placed beneath the 49mm filter thread. Therefore, when the hood is mounted to the lens, the 49mm fiter thread is hidden. However, the hood has its own 43mm filter thread on its rear side, so that slim 43mm filters can be used when the hood is mounted to the lens.

Product Information
Exact Name HD PENTAX-DA 1:3.2 21mm AL Limited
Color black silver
Year of Introduction 2013 2013
Catalog Number 21410 21420
Sold with Hood bayonet hood: MH-RBB43 (black) bayonet hood: MH-RBB43 (silver)
Sold with Case soft case: leather, no name

Technical Specifications

Optical Formula 8 elements in 5 groups
Aperture Range f/3.2 ~ f/22
Number of Aperture Blades 7
Minimum Focusing Distance 0.2 m
Maximum Magnification 0.17 X
Special Features aspherical element(s), floating elements
Filter Diameter 49 mm
Maximum Diameter 63 mm
Length 25 mm
Weight 134 g
Cap metal slip-on cap, 51 mm
Fitting Hood(s) bayonet hood: MH-RBA 43mm
Fitting Case(s) soft case: leather, no name