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osamu

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Posts posted by osamu

  1. <p>based on what you say what kind of photography you do and the fact that you burned k20d, i think k5 or k5ii might be your choice. the major difference between k20d and k5's is the low light photography. you can take sharp photographs using iso 1600. that is like inside shooting. even night photography. i upgraded my k7 for that reason (some years ago). for variable lens, i like my 16-45mm. but, i hardly ever use zoom any more.</p>
  2. <p>i find your question interesting. the first thought that came to my mind was a kind of camera you might be using. film, you say. the second thought that came to my mind was a kind of art. painting - flat surface. sculpture - 3 d - depth. so why macro? macro is generally used for micro-focusing. that said, pentax 50mm lens is a sharp lens. you don't need a macro. for flat surface, you want a small aperture like f8 through f16. you want to cover the whole painting in 2/3 of the viewfinder. for sculpture, it depends on the point of emphasis. if you want the whole object, then the same applies - 2/3.<br>

    <br />good luck and have fun.</p>

  3. <p>no but i use a7r with voigtlander k adapter. but, i do not own any of the zoom lenses you mentioned. i don't use any zoom lens on a7r. i use prime lenses and i am very happy with the results. <br>

    the manual focusing is easy and friendly. the manual or aperture priority setting are also easy and friendly. however, you should know, that open aperture and wide angle lenses can give you vignette. in my case, i do not use anything wider than 31mm. i did not test on 28mm. also, even with 50mm lens, i found that f5.6 was the border. i saw vignetting wider than f5.6. i was disappointed on 20mm (bcs i wanted to do some experimental shots), but, mostly, i have no problem for what i use this camera for. online, you can find a remedial process for this sort of vignetting. it looks too complicated for me and i have not found a reason to follow that process (as of yet). </p>

    <p>good luck. </p>

    <h1 > </h1>

  4. <p>since you raised the question in the pentax forum, i respond to your question from a different angle. i have not left pentax. i feel like i know characteristics of the lenses i own. i did not want to start over with another brand. <br>

    when df came out, i seriously looked into the camera. on the surface, it was very attractive to me. but i chose not to go with df. why? df does not provide manual focusing aid.<br>

    so i looked other options with a desire for an ff camera. so, i ended up with sony a7r. i use adapters for my pentax lenses both m42 and k mounts. mostly, i use m42 lenses with a7r. it has friendly manual focusing aid. i did not have to buy a whole set of lenses. the camera has a nice sensor. since i only use the basic setting, it works for me well. i like to use focusing ring. i use the aperture ring. a7r does not allow you to change filename (insanely unfriendly feature). i use raw converter from adobe so i did not have to upgrade the photoshop.<br>

    so if af is important to you, my path does not work for you. if your definition of the modern dslr is electronic gadgetry, this is not your path. if your definition of the modern camera is a good sensor, this could be a good option.<br>

    and i still use my k5.<br>

    good luck.<br>

    --osamu</p>

    <p> </p>

  5. <p>takumar lenses are special. i have never used super takumar 50. but, i am partial to my s-m-c-takumar 50/1.4 lens. i also like s-m-c-takumar 85/1.8. in 2011, my house was burglarized and i lost nearly all my photographic equipment except for 35mm film cameras (lx, spotmatic, mx). so, i was wondering what to do. i felt i had a clean slate. but, i missed takumar lenses. so, i decided if i could find another s-m-c- takumar 85/1.8 and 50/1.4, i would get them. so, luckily, i did. after that i added cameras to go with them. i bought "a"50/1.4 also. i like it really well. i like manual lenses. i like the feel of manual focusing. "fa" lenses do not give me the same feel, however. when i use fa lenses i tend to use auto focus. i have several takumar lenses and they are pleasant to use. </p>
  6. <p>congratulations! i hope you will enjoy your a7. i am happy with my k-5 but i am eying for an ff dslr a year from now. i hope pentax would give me an option. otherwise, nikon df looks good to me. i just don't want to purchase another set of lenses and adapter is not my preference. <br>

    --osamu</p>

  7. <p>i like 'noreen' and 'the last of the hippies'. besides being good photographs, i like the narratives of the photographs. i struggle with the portrait photography, but i try. <br>

    here is a self-portrait from 2011. </p><div>00bDrT-513121684.jpg.474c20180c7fa3f067924edc20e32434.jpg</div>

  8. <p>here is my personal favorite from 2012. i took the same photograph the day before with 31mm and i did not like the result. i went back the next morning with 50mm. i got the result i wanted.</p><div>00bDrB-513119584.jpg.a54e0b21cebf9384772137794449c5bb.jpg</div>
  9. <p>andrew, yes, the abstract is a chair and a table. the table surface is dark granite to make that reflection. there are windows on both sides of the wall behind. that lighting made this photograph for me. the chair imprinted on that wall color made a new mexico to me.</p>
  10. <p>i used m42 lenses on k10d and k7. in either case, i used a split screen. i find that a split screen facilitates better accuracy in the manual focus. the results are superb as long as there is light - in darkness, you have to rely on the green light. also, i photograph in raw and i use tripod. k5 and k7 are the same in viewfinder. <br>

    <br />i find manual focusing more satisfying than auto-focus. once i checked my m42 lens for a focusing revolution. it took 3/4 of a revolution for focusing. my limited lenses go for a 1/4 revolution for focusing.</p>

    <p>--osamu</p>

    <p> </p>

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