I give the Tokina 400 f5.6 high marks. Excellent on APS C and also on
the K1. I have the one with the red SD on it. IIRC about $350 on ebay
for my current one. I bought one new in the late 90's for considerably
more, but that lens developed fungus.
On K3:
http://www.markcassino.com/b2evolution/index.php/testing-the-pentax-k-3
On K1:
https://www.flickr.com/photos/markcassino/32988697811/
When my first Tokina 400 was out of commission I bought a SIgma
135-400, f4.5-5.6 for something like $300. It was good even at 400 on
the K5 but the edge sharpness drops off terribly on the K1. Best
example I've seen so far of a lens that works well within the APC sweet
spot but not on FF. If you are looking for something to be used on APC C
this might be a contender. The version I have is the film version - no
DG coatings - so a newer one might be better. Samples with the Sigma:
http://www.markcassino.com/b2evolution/index.php/zoo-snaps-1
I've been seeing the Tokina ATX 400, Sigma APO 400 macro, and FA* 400's
on ebay fairly often in recent months. There seem to more FA* 400's for
sale on ebay now than when they were actually in production, though they
are pretty pricey.
Mark
On 5/26/2017 2:53 PM, Collin Brendemuehl wrote:
Looking to get a long lens
Debating between 3: Tokina AT-X 400/5.6, Tokina 500mm mirror, Tamron SP
500mm mirror.
Wouldn't mind another F* 300/4.5, but that might be just a little pricey.
Any other recommendations? AF is not a major concern.
And I think I'm going to shut down my darkroom. Finally.
In the future when I shoot film I'll just do b&w and have a neighborhood
friend process & print for me.
Might cost a little more but getting the basement space back will be good.
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