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jbondo is a valued contributor with 305 overall Likesjbondo is a valued contributor with 305 overall Likesjbondo is a valued contributor with 305 overall Likes
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  1. szs
    Jul 3rd, 2019
    szs
    Hello,

    in one of your lens reviews (the Takumar 85mm) you mentioned that you were planning to do a spectrograph measurement of different lenses to find out what the secret of some lenses regarding their colour rendition is. Did you ever do this test? As a fellow Pentaxonian ans physicist I would be interested in the results....

    Cheers, Steffen

About Me

  • About jbondo
    Country
    United States
    Location
    Texas
    Pentax Cameras
    K-1
    Pentax Cameras
    K-01, Pentax Film SLRs
    Photographic Equipment
    Numerous M42 Takumar, K, M, A series all the way through modern. Canon 6D, Pentax K-1, K-01, K-50. Couple of rather large Telescopes.
    About Me
    I have a passion for meticulously refurbishing old lenses.
    Interests
    Astrophotography, Nature, Available Light.
    Occupation
    IT, Musician, Pro Light & Sound...

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  • Last Activity: 2 Days Ago
  • Join Date: Sep 4th, 2013
  • Referrals: 0
  • Total Likes Received: 305

Latest Reviews

Item Name Thumbnail Recommended Rating Price Review

Liked Posts

  Latest Likes Received Date Posted By Comment
1 like Reputation now awarded for serial numbers Oct 15th, 2019 05:46 PM Adam Thanks for adding a serial number!
1 like Reputation now awarded for serial numbers Oct 15th, 2019 05:41 PM Adam Thanks for adding a serial number!
1 like Reputation now awarded for serial numbers Oct 15th, 2019 05:27 PM Adam Thanks for adding a serial number!
1 like Canon user need advice Sep 26th, 2019 12:44 PM SSGGeezer
1 like Lens Reviews: Reputation now awarded! Sep 17th, 2019 04:19 PM Adam Thanks for posting a lens review!
1 like Non-Forum Post Aug 4th, 2019 08:38 PM MXLX I found your review of the S-M-C/Super Takumar 300mm F4 helpful!
1 like Non-Forum Post Jul 18th, 2019 06:05 AM KX-Digital I found your review of the SMC Pentax-FA J 18-35mm F4-5.6 helpful!
  Latest Likes Given Date User Name Comment
1 like Non-Forum Post Oct 15th, 2019 04:58 PM MossyRocks I found your review of the SMC Pentax-A* 400mm F2.8 ED [IF] helpful!
1 like New K-series DSLR under development to be exhibited Sep 21st, 2019 12:06 PM stevebrot
1 like K-1 upgrade delay Nov 19th, 2018 09:32 PM jcsnyc
1 like "The 200mm... the seemly unloved these days focal... Nov 10th, 2018 10:29 PM normhead
1 like Pixel Shifted Images Nov 10th, 2018 12:46 PM riseform
1 like Vibration reduction in mirror Lock-up vs. Live View... Nov 4th, 2018 07:26 PM Digitalis
1 like Where would you go in US around December-March for... Nov 3rd, 2018 11:52 AM Geodude
jbondo has received a total of 305 Likes | View All of jbondo's Liked Posts | View Posts jbondo Likes

Latest Threads

Thread Forum Last Poster Replies Views Last Post
For Sale - Sold: SMC Pentax 50mm F1.2 - Sharp Copy. Sold Items jbondo 1 765 Sep 30th, 2018 05:50 PM
For Sale - Sold: SMC Pentax-DA 40mm F2.8 XS (Scarce Silver K-5 Limited... Sold Items jbondo 4 905 Nov 3rd, 2018 11:42 AM
For Sale - Sold: SMC Pentax-A 1:4 200mm Sold Items pepperberry farm 6 967 Nov 4th, 2018 05:57 AM
Suggestion Add to Serial Number DB: SMC Pentax-M* 67 400mm F4 ED [IF] Site Suggestions and Help jbondo 3 493 Aug 9th, 2017 12:54 PM
For Sale - Sold: O-GPS1 Module Sold Items jbondo 2 839 Dec 11th, 2016 07:21 AM
For Sale - Sold: Pentax Dealer Display Items Sold Items jbondo 2 1052 Jul 5th, 2016 06:19 AM
Suggestion Add Auto-Takumar 55mm f2.2 to Serial Number Database Site Suggestions and Help Adam 1 947 Aug 22nd, 2015 10:54 PM
POLL: K and M series only - Leverectomy Usability and... Pentax SLR Lens Discussion pinholecam 20 2154 Apr 21st, 2015 06:43 PM
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