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SMC Pentax-DA 40mm F2.8 XS Review RSS Feed

SMC Pentax-DA 40mm F2.8 XS

Sharpness 
 9.1
Aberrations 
 8.2
Bokeh 
 9.0
Autofocus 
 9.1
Handling 
 9.2
Value 
 9.6
Reviews Views Date of last review
49 204,130 Mon September 18, 2023
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Recommended By Average Price Average User Rating
94% of reviewers $155.59 9.04
SMC Pentax-DA 40mm F2.8 XS

SMC Pentax-DA 40mm F2.8 XS
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SMC Pentax-DA 40mm F2.8 XS
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SMC Pentax-DA 40mm F2.8 XS
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Description:
The SMC Pentax DA 40mm XS is based on the optical design of the SMC Pentax DA 40mm Limited, but its exterior is designed by Marc Newson so as to match the design of the K-01 mirrorless camera. The lens will work with Pentax DSLRs as well as with the K-01.

It is smaller being only 9.2 mm thick. The aperture blades are rounded which produces a smooth bokeh. The front element has SP coating which repels dust, water and grease and which makes it easier to wipe the front element clean.

Price: $249 when purchased separately, $149 when purchased in a K-01 kit.

SMC Pentax-DA 40mm F2.8 XS
© www.pentaxforums.com, sharable with attribution
Image Format
APS-C
Lens Mount
Pentax K
Aperture Ring
No
Diaphragm
Automatic, 9 blades (rounded)
Optics
5 elements, 4 groups
Mount Variant
KAF
Check camera compatibility
Max. Aperture
F2.8
Min. Aperture
F22
Focusing
AF (screwdrive)
Quick-shift
No
Min. Focus
40 cm
Max. Magnification
0.13x
Filter Size
27 mm
Internal Focus
No
Field of View (Diag. / Horiz.)

APS-C: 39 ° / 33 °
Hood
None
Case
None
Lens Cap
Lens Front-cover 27
Coating
SMC,SP
Weather Sealing
No
Other Features
Diam x Length
62.9 x 9.2 mm (2.5 x 0.36 in.)
Weight
52 g (1.8 oz.)
Production Years
2012 to 2023
Pricing
$149 USD current price
$249 USD at launch
Engraved Name
smc PENTAX-DA 1:2.8 40mm XS
Product Code
22137
Reviews
User reviews
In-depth review
Unofficial Full-Frame Compatibility Tests by Pentax Forums
★★☆ Full coverage at some F-stop and focal length combinations
Show details

Features:
Screwdrive AutofocusAutomatic ApertureAPS-C Digital OnlyDiscontinued
Purchase: Buy the SMC Pentax-DA 40mm F2.8 XS
In-Depth Review: Read our SMC Pentax-DA 40mm F2.8 XS in-depth review!
Price History:



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Author:
Sort Reviews by: Date | Author | Rating | Recommendation | Likes (Descending) Showing Reviews 46-49 of 49
Forum Member

Registered: September, 2011
Location: Colestin, OR
Posts: 79
Review Date: April 28, 2012 Recommended | Rating: 9 

 
Pros: really tiny, sharp
Cons: push-in lens cap
New or Used?: New    Camera Used: K-01   

Amazingly tiny lens which is very sharp and somewhat more useful (if you think wider = useful) than the 50mm to walk around with. Great match for the K-01.
The only downside is the push-in lens cover, which I will inevitably lose.
   
Administrator
Site Webmaster

Registered: September, 2006
Location: Arizona
Posts: 51,584
Review Date: April 19, 2012 Recommended | Price: $149.00 | Rating: 9 

 
Pros: Compact, cheap, very sharp
Cons: No quick shift, noisy AF, no hood
Sharpness: 10    Aberrations: 9    Bokeh: 10    Autofocus: 8    Handling: 7    Value: 10    New or Used?: New    Camera Used: K-01   

This lens is an excellent performer and delivers the same sharp images as the DA40mm limited at a fraction of the price!

The only complaints I have about this lens is that the AF is relatively noisy, and that it lacks quick shift (which the limited version has). It's also a bit hard to mount at times, due to its small size.

The DA 40mm XS lens is a great fit for the K-01 as well as any Pentax DSLR if you're looking to keep things compact!
   
Junior Member

Registered: October, 2010
Location: Shanghai
Posts: 28

1 user found this helpful
Review Date: April 19, 2012 Recommended | Price: $220.00 | Rating: 10 

 
Pros:
Cons:
Sharpness: 10    Aberrations: 10    Bokeh: 10    Autofocus: 10    Handling: 10    Value: 10    New or Used?: New    Camera Used: K20D   

https://www.pentaxforums.com/forums/attachments/chinese/124712d1334734424-da...-a15112631.jpg
   
Senior Member

Registered: July, 2009
Location: South Florida
Posts: 206
Review Date: April 9, 2012 Recommended | Price: $220.00 | Rating: 10 

 
Pros: Size, Focal Length, Look on a K5, Price
Cons: Lens cap
Sharpness: 9    Aberrations: 9    Bokeh: 10    Autofocus: 10    Handling: 10    Value: 10    New or Used?: Used    Camera Used: K5   

Very nice image quality, nice bokeh. This lens while made for the K-01 looks very cool on the K5, gives it a rangefinder look. Great price especially if you get it with the K-01 kit.
Makes a great street lens and makes the K5 much more portable in my opinion. I need to find a lens cap alternative, it comes with a little rubber stopper which is annoying. Maybe just get a small filter and forsake the cap.
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