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Comment by wadna posted on Lens for Street Photography at 22/06/2011 - 11:07
[quote:3496ace15f="wadna"][quote:3496ace15f="johnwhit"]The only other lens I could think of was the K 18/3.5 but very hard to find on the used market, no auto metering either. More compact than the K/A 15mm
http://www.bdimitrov.de/kmp/lenses/primes/ultra-wide/K18f3.5.html
John
or some old 3rd party 17mm Tokina, Tamron etc
John
John[/quote]No, it's not. I was confused.
Comment by wadna posted on Lens for Street Photography at 22/06/2011 - 09:00
Comment by wadna posted on Lens for Street Photography at 22/06/2011 - 08:58
I think when the reviews say it's best stopped down they are thinking of landscape work where you want edge to edge sharpness.
I can see uses for that, i.e archiving pics, but I've seen some landscape pics which look great taken at wider apertures where the narrower DOF has shown some depth.
I'm not really a landscape snapper, but most pics I've seen, which are sharp edge to edge and front to back always seem 2 dimensional and lack depth.
Comment by wadna posted on Lens for Street Photography at 22/06/2011 - 08:57
The only other lens I could think of was the K 18/3.5 but very hard to find on the used market, no auto metering either. More compact than the K/A 15mm
http://www.bdimitrov.de/kmp/lenses/primes/ultra-wide/K18f3.5.html
John
or some old 3rd party 17mm Tokina, Tamron etc
John
Comment by wadna posted on Lens for Street Photography at 22/06/2011 - 08:55
I think when the reviews say it's best stopped down they are thinking of landscape work where you want edge to edge sharpness. The same reviews confirm that central sharpness is very good from f4, and judging by the sample pics, contrast is great.
Therefore I think the lens would complement your FA31mm very well. I can see the point of this focal length for street photography - if you are right on top of the subject you can frame them into the shot without them realising it. And while the 31mm is a more obvious focal length, you can have the 15mm in your pocket for wide angle shots of opportunity.
Street photography isn't about edge to edge sharpness, it's about vibe.
I often shoot at slower shutter speeds to capture the motion in the street, and I mostly shoot at wide apertures to capture depth in the image.
Exactly. Hence my desire for something like the DA 15/4.
Comment by wadna posted on Lens for Street Photography at 22/06/2011 - 08:54
looks like you exactly know what you need/want. many of us wouldn't mind fast, small, (limited?) glass around 18-20mm. recent pool on pentaxforums confirmed that. my next is probably da21...
good luck
Comment by wadna posted on Lens for Street Photography at 22/06/2011 - 08:50
The only other lens I could think of was the K 18/3.5 but very hard to find on the used market, no auto metering either. More compact than the K/A 15mm
http://www.bdimitrov.de/kmp/lenses/primes/ultra-wide/K18f3.5.html
John
Comment by wadna posted on Lens for Street Photography at 22/06/2011 - 07:20
Photozone link
DP Review link
Comment by wadna posted on Lens for Street Photography at 22/06/2011 - 07:04
I guess as you have the 31 you're perhaps inclining to something wider. But the difference between 21 & 31 is still great.
You obviously know your needs, wadna, but 15 is a far from obvious FL for street photography. The 21 on aps-c is, on the other hand, a classic street FL.
However I would love to try the 21mm.
Comment by wadna posted on Lens for Street Photography at 22/06/2011 - 06:56


Sigma also produced a 18mm f/3.5 some years ago, less popular than the Tokina and Tamron 17mm lenses. I've no idea of the IQ but if it's anywhere near as good as the 24mm/2.8 Superwide or 16mm/2.8 Fisheye it would be well worth a look.
John