HD PENTAX DA 40mm F2.8 Limited

This unique pancake-style standard lens with a 40mm focal length is offered with exclusive optical characteristics and a very high luminous intensity. Measuring just 15mm in length, find exceptional sharpness and image quality in this incredibly compact lens that’s ideal for travel and casual everyday snapshots. Its high-grade aluminum construction provides the utmost durability and elegant design, now further enhanced with treatments of both SP (Super Protect) and the PENATX-original High-grade multi-layer HD (High Definition) coating. A round diaphragm at a wide aperture offers optimal optic performance and gorgeous bokeh effects.

HD PENTAX DA 40mm F2.8 Limited
HD PENTAX DA 40mm F2.8 Limited
Lens Mount PENTAX KAF mount
Focal Length 40mm (61mm in 35mm format)
Angle of View 39°
Lens Construction(group/elements) 4 groups 5 elements
Diaphragm control Fully Automatic
Number of aperture blades 9
Min. Aperture (f) F22
Min. Focusing Distance 0.4m
Max. Magnification 0.13X
Filter Size 49mm (or 30.5mm mounted in hood)
Diameter & Length (mm) 63mm x 15mm
Weight (g) 89g w/o hood
98g w/hood
Notes HD coating
Super Protect (SP) coating
Rounded aperture (F2.8 to F5.6)
Quick-shift Focus System
MH-RF49 metal lens hood included
Model No. 21390 – Black
21400 – Silver

Image Gallery

Page top