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Pentax 40mm f/2.8 SMC DA Limited

Photos - Camera Lens Pentax 40mm f/2.8 SMC DA Limited
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Pentax 27075273627

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Pentax 40mm f/2.8 SMC DA Limited
Lens type
fix
System
Pentax
Mount
Pentax K
Focal length
40 mm / 35mm equivalent /
Aperture value
f/2.8
Viewing angles
39°
Min. diaphragm
22
Minimum focus distance
0.4 m
Maximum zoom
0.13
Sensor size
APS-C / 23.5 x 15.7 mm /
Autofocus drive
in absent
AF drive (screw driven)
Design (elements/groups)
5 elements in 4 groups
Number of diaphragm blades
9
Filter diameter
49 mm
Dimensions (diameter/length)
63.5x15.2 mm
Weight
91 g
Added to E-Catalog
November 2006

. A fixed lens with a focal length of 40 mm, which has a compact size due to the absence of its own autofocus motor — it has been replaced by a "screwdriver" system. Designed for use with Pentax K mounts and APS-C matrices. Aperture — f / 2.8. Also worth noting is the 9-bladed diaphragm.

The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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Model overview based on user reviews  
The Pentax 40mm f/2.8 SMC DA Limited lens is appreciated for its good color rendition, sharpness, and ability to produce a rich picture. However, users have noted that it may experience underexposure at apertures above 2.8, particularly at aperture 8, where it can be almost a stop off. This issue might be specific to certain units, as it was not observed in other lenses during comparative tests. Despite this, the lens is considered a good choice and holds a valuable place in its niche.
Pros

Cons

good model, like it
23 May 2012 
The lens has the right to occupy its niche.
good color rendition, quite sharp, rich picture.
at apertures above 2.8, underexposure occurs. At aperture 8, almost a stop. Experiments were carried out in comparison with other lenses, where this effect was not observed. I admit that this phenomenon could only appear in my specimen.
byvalyyuse Pentax 40mm f/2.8 SMC DA Limited few months
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