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ProfHankD is just starting with 100 overall LikesProfHankD is just starting with 100 overall Likes

ProfHankD ProfHankD is offline

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  1. akanarya
    10-12-2011
    akanarya
    Thanks for reply Hank,

    I am using t70-300 more than one year, and did several trials; tripod, mirror lock-up,
    aperture and shutter values, different light conditions.
    Sometimes it produce good results, but generally not. I think it has focus problems,
    and it needs very precise focussing in order to obtain better results.
    Or my copy is not so good.
    But when I look 55-300 results, they seem much more usable results than my tamron.

    Here some good examples;

    iso100, 300 f5.6 1/320
    http://farm5.static.flickr.com/4119/4923366073_bd19d2717e_b.jpg

    iso100, 300mm f11 1/320
    http://farm5.static.flickr.com/4080/4909804027_17b9cd1d83_b.jpg
  2. akanarya
    10-05-2011
    akanarya
    Hi,

    I saw your review about the smc takumar 300 f4.
    I have a plan to get one because I can't afford for neither dfa nor a* 300mm.

    So, I have tamron 70-300, but I am very dissapointed about the sharpness of it.
    if you had an experince or oppinion about
    this takumar and consumer teles like tamron/sigma 70-300, pentax 55-300 etc,
    your thougths are heighly appreciated.

    I want a much better 300mm than my tamron with a reasonable price.

    Thanks
    Ali

About Me

  • About ProfHankD
    Country
    United States
    Location
    Lexington, KY
    Real Name
    Hank Dietz
    Photographic Equipment
    I use LOTS of different cameras & lenses.
    As of August 2009, I had a Pentax Spotmatic with 55mm f/1.8 and Spiratone macro belows which I used back in the 1970s. However, as of October 2010, I have several Spotmatics and several dozen M42 lenses -- mostly Takumar or Vivitar, which I use primarily on my Sony DSLRs. As of October 2011, I'm mostly using Sony NEX with lenses of various mounts; the lenses that come in Pentax mounts, I generally review here -- I now own about 100 lenses.
    About Me
    Used to do freelance photography, now involved in digital imaging research (although still best known for supercomputing using Linux clusters).
    Occupation
    Electrical & Computer Engineering Professor

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  • Last Activity: 10-13-2016
  • Join Date: 08-30-2009
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  • Total Likes Received: 100

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1 like Non-Forum Post 02-26-2017 04:44 PM William Cat I found your review of the Vivitar (Cosina) 19mm f/3.8 helpful!
1 like Non-Forum Post 10-23-2016 08:24 PM Ole I found your review of the Samyang 500mm F6.3 DX helpful!
1 like Lens Reviews: Reputation now awarded! 10-07-2016 09:29 PM Adam Thanks for posting a lens review!
1 like Lens Reviews: Reputation now awarded! 10-07-2016 09:05 PM Adam Thanks for adding a lens!
1 like Non-Forum Post 09-26-2016 07:57 PM Garferon I found your review of the Spiratone "Rapid Rail" Macrobel helpful!
1 like Non-Forum Post 08-12-2016 08:48 AM photocles I found your review of the Spiratone Auxiliary Fish-Eye Lens helpful!
1 like Non-Forum Post 09-11-2015 11:16 AM yucatanPentax I found your review of the Mitakon MC 24mm F2.8 helpful!
ProfHankD has received a total of 100 Likes | View All of ProfHankD's Liked Posts | View Posts ProfHankD Likes

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