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Forum: Troubleshooting and Beginner Help
07-03-2012, 07:16 PM
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Love my k20D and Tamron AF 28-300 XR lens. and I am always curious
I have a Soligor 3x K mount manual TC, and curious to see what is "possible".
How much "clarity" over long distances.
Not looking for gallery-quality pix, just fun and curiosity....... and a Pentax learning experience.
I tried my 3x TC with Tamron 135/f2.8.--- minimally ok results.
Then, I tried 3x TC with manual QuantaRay 35-200, again minimally "ok" results .
I "leaned" against a wall and hand held. Maybe next time the tripod.
I'll only get out the tripod if this becomes obsessive.
( QuantaRay at 200mm is a bit soft anyway ! ) Subject was 400 meters distant.
Even in strong sun there's not much light hitting the sensor..... 1/200, aperture wide open, iso 3200
Focus infinity.... which simplifies the task.
Next I'd like to add my manual 3x to my Tamron AF, focus manually, Mode M or Av.....long end would yield 900 mm.
( I know.... Tamron is also a bit soft at 300mm and Soligor is not a high quality TC )
Question : Is there a risk that I could damage my Tamron AF lens by using manual 3x TC with it ?
Just for the record, I still have all my old M42 lenses (Yashica 50/1.4, Takumar 28/3.5) and a few other K mounts, including Ricoh 50/f2.
Any comments and suggestions are welcomed. And I would enjoy hearing from any Pentaxians in the Toronto area who have tried similar TC and prime lens combinations.
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Forum: Pentax SLR Lens Discussion
06-04-2012, 05:39 PM
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I have K20D ( love it !!) and looking at eBay offer for used Tamron AF 90-300 for Nikon. I have KA adaptall 2 that I could put on it.... but would the auto focus work ok with my Adaptall KA or is there some other Adaptall that I should get ? .... Hal.
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Forum: Pentax Camera and Field Accessories
04-21-2012, 11:01 AM
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Hi Tom.... can a PentaxForums newbie ask a favor ? I recently bought my first (used) DSLR.. K20D with grip. Could you please email me yur PDF file with grip instructions. I know it is probably mostly just common sense... but ya never know... i'd feel better having the manual to read thru.... I'm in Toronto. halewis@vif.com.......... also... thanks. .
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Forum: Sold Items
04-09-2012, 08:06 PM
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April 9-2012 Sending PM tonight with offer. H.A.L. Toronto
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