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Forum: Pentax SLR Lens Discussion 04-15-2008, 09:32 AM  
About Fa 43mm ltd
Posted By Thule
Replies: 430
Views: 94,596
Thanks for all for the info. I think I should find a local dealer to test the 50mm f/1,4 with my K10D.

btw: would anybody happen to know any site for Pentax 50mm f/2,8 Macro MTF graph?
Forum: Pentax SLR Lens Discussion 04-14-2008, 11:34 AM  
About Fa 43mm ltd
Posted By Thule
Replies: 430
Views: 94,596
I'm looking for a sharp prime lens between 40mm and 50mm.
Currently I have Pentax FA 16-45mm f/4 which is quite nice but not as sharp as I would like.

Two candidates in my mind:

- Pentax FA 50mm f/1,4
- Pentax FA 43mm f/1,9 Limited

The 50mm is generally considered as a very good performer and also the 43mm f/1,9.
But what got me puzzled was these resolution graphs, according to these graphs the 16-45 has excellent resolution, at some focal lengths on par with 50mm or 43mm versions?
So is there any need for me to get 50mm or 43mm if the 16-45mm is already very sharp (according to these graphs)?


Short summaries:


Pentax FA 16-45mm f/4

Pentax SMC-DA 16-45mm f/4 ED AL - Review / Test Report

photozone:


Pentax Lens: Zooms - Pentax 16-45mm f/4 ED AL SMC P-DA - SLRgear.com!
Pentax DA 16-45mm 1:4 ED/AL Lens Review: 3. Test results: Digital Photography Review



Pentax FA 50mm f/1,4


photozone:

Pentax Lens Review Database - 50mm F1.4
Pentax Lens: Primes - Pentax 50mm f/1.4 SMC P-FA - SLRgear.com!


Pentax FA 43mm f/1,9 Limited


Pentax Lens Review Database - 43mm F1.9 Limited

photozone:

Pentax SMC-FA 43mm f/1.9 Limited Review / Test Report

Pentax Lens: Primes - Pentax 43mm f/1.9 Limited SMC P-FA (Tested) - SLRgear.com!


I'd be very interested to hear if somebody has used or tested these lenses,
do the 50mm and 43mm outperform the 16-45mm in terms of sharpness
if stopped down properly?

Or should I consider the Pentax 50mm f/2.8 Macro which I heard to be the sharpest 50mm Pentax lens ever ...... :confused:
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