photo sharing and upload picture albums photo forums search pictures popular photos photography help login
Type your message and click Add Comment
It is best to login or register first but you may post as a guest.
Enter an optional name and contact email address. Name
Name Email
help private comment
edmund j. kowalski | profile | all galleries >> Galleries >> Aetna 200mm Lens on Winter Morning tree view | thumbnails | slideshow

Aetna 200mm Lens on Winter Morning

This lens has rear element coating damage.

I shot with it out in the Kansas Flinthills 10 years ago, camera mounted to a Pentax Spotmatic body, and was disappointed with the amount of milky flare in the images.
The lens went into retirement until today.

I did a little cleaning with alcohol on the rear glass surface, but do not think it helped much.
It was a bright sunny morning with lots of white snow and ice on the ground, and I thought it would be good conditions for a re-test.
So I used a screwmount-to-K-Mount adapter ring and mounted the lens to my Pentax ist d Digital SLR body.

Results below. After a little tweaking in software, I thought some of the images were not so bad after all. The lens delivered a pleasant enough look for me to decide that the lens is not a total loss.

Lens is very solid and heavy, with "preset" style aperture rings. Focus is smooth, and accurate. I shot in Av aperture priority mode, first wide open at f/3.5, then stopped down to about f/11. The f/11 setting gave noticeably better results, but needed exposure adjustment in the software, even though shutter speed was about 1/500 to 1/750 with asa set to 400.
Everything was hand held. Lens is heavy enough to stabilize the whole rig through mass inertia.

Please click on thumbnails to see enlarged.
All images are Copyright 2013 E.J.Kowalski.
p7927.JPG
p7927.JPG
p7930.JPG
p7930.JPG
p7932.JPG
p7932.JPG
p7934.JPG
p7934.JPG
p7938.JPG
p7938.JPG
p7944.JPG
p7944.JPG
p7949.JPG
p7949.JPG
p7951.JPG
p7951.JPG
p7953.JPG
p7953.JPG
p7958.JPG
p7958.JPG