Optical differences between Pentax "K", "M", and "A" lenses

**boriscleto** · 06-25-2013, 05:49 PM

Originally posted by kerrowdown

I'm a tad bias, but A primes serve me well , even to this day.

I'm with kerrowdown. I love my A28/2.8 & A135/2.8 simply because I can't afford the F/FA versions. My A50/1.4 hasn't seen much use since I got the FA50/1.7 but it is still a great lens.

flomat · 01-10-2014, 01:02 PM

Permitting, I'd like to contribute some links I came accross providing answers to the question raised:

Ratings, Prices and other stuff about old Pentax lenses:
jcolwell.ca - SPLOSdb

SMC Pentax Normal Lens Resolution Test Results:
SMC Pentax Resolution Test Results

Historcal Prices of Used Pentax Lenses:
Foto Pentax ebay - a set on Flickr

Short comments on old Pentax lenses:
Stan's Pentax Photography

Lens Resolutions Test Results for many old Pentax lenses:
http://www.takinami.com/yoshihiko/photo/lens_test/pentax_superwide.html

Pentax K-Mount Lens Series Explained:
Pentax K-Mount Lenses Explained: The differences between various Pentax lens series

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06-25-2013, 05:49 PM	#31
boriscleto Loyal Site Supporter Join Date: Dec 2009 Location: North Syracuse, NY Photos: Gallery Posts: 16,223	Originally posted by kerrowdown I'm a tad bias, but A primes serve me well , even to this day. I'm with kerrowdown. I love my A28/2.8 & A135/2.8 simply because I can't afford the F/FA versions. My A50/1.4 hasn't seen much use since I got the FA50/1.7 but it is still a great lens.

01-10-2014, 01:02 PM	#32
flomat Junior Member Join Date: Sep 2009 Photos: Gallery Posts: 27	Permitting, I'd like to contribute some links I came accross providing answers to the question raised: Ratings, Prices and other stuff about old Pentax lenses: jcolwell.ca - SPLOSdb SMC Pentax Normal Lens Resolution Test Results: SMC Pentax Resolution Test Results Historcal Prices of Used Pentax Lenses: Foto Pentax ebay - a set on Flickr Short comments on old Pentax lenses: Stan's Pentax Photography Lens Resolutions Test Results for many old Pentax lenses: http://www.takinami.com/yoshihiko/photo/lens_test/pentax_superwide.html Pentax K-Mount Lens Series Explained: Pentax K-Mount Lenses Explained: The differences between various Pentax lens series

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