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jbondo is just starting with 313 overall Likesjbondo is just starting with 313 overall Likesjbondo is just starting with 313 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: 6 Days Ago
  • Join Date: Sep 4th, 2013
  • Referrals: 0
  • Total Likes Received: 313

Latest Reviews

Item Name Thumbnail Recommended Rating Price Review

Liked Posts

  Latest Likes Received Date Posted By Comment
1 like Non-Forum Post Mar 16th, 2020 09:43 AM Uberchow I found your review of the S-M-C/Super Takumar 300mm F4 helpful!
1 like Non-Forum Post Mar 8th, 2020 04:18 PM Uberchow I found your review of the S-M-C/Super Takumar 24mm F3.5 helpful!
1 like Reputation now awarded for serial numbers Feb 14th, 2020 03:06 PM Adam Thanks for adding a serial number!
1 like Reputation now awarded for serial numbers Feb 14th, 2020 02:59 PM Adam Thanks for adding a serial number!
1 like Reputation now awarded for serial numbers Feb 14th, 2020 02:46 PM Adam Thanks for adding a serial number!
1 like Reputation now awarded for serial numbers Feb 14th, 2020 02:42 PM Adam Thanks for adding a serial number!
1 like Non-Forum Post Nov 25th, 2019 05:57 AM KX-Digital I found your review of the Bellows-Takumar/Super-Multi-Coated Bellows Takumar 100mm F4 helpful!
  Latest Likes Given Date User Name Comment
1 like William Optics RedCat 51 vs Pentax DA* 300mm F4 for... Feb 13th, 2020 12:56 PM Craigbob
1 like Pentax March 2020 Interview Questions (formerly CP+) Feb 12th, 2020 01:37 PM bladerunner6
1 like Pentax March 2020 Interview Questions (formerly CP+) Feb 12th, 2020 01:36 PM Kobayashi.K
0 likes Do we calculate Aperture to when using FF lenses on... Dec 21st, 2019 08:28 AM stevebrot
0 likes Do we calculate Aperture to when using FF lenses on... Dec 21st, 2019 08:19 AM stevebrot
1 like Non-Forum Post Nov 29th, 2019 08:33 AM Fenwoodian I found your review of the Venus Optics Laowa STF 105mm F2.0 (T3.2) helpful!
1 like Non-Forum Post Nov 27th, 2019 12:20 PM lfgray1949 I found your review of the HD Pentax-DA 1.4x AW AF Rear Converter helpful!
jbondo has received a total of 313 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 1 799 Sep 30th, 2018 05:50 PM
For Sale - Sold: SMC Pentax-DA 40mm F2.8 XS (Scarce Silver K-5 Limited... Sold Items jbondo 4 967 Nov 3rd, 2018 11:42 AM
For Sale - Sold: SMC Pentax-A 1:4 200mm Sold Items pepperberry farm 6 1013 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 3 528 Aug 9th, 2017 12:54 PM
For Sale - Sold: O-GPS1 Module Sold Items jbondo 2 891 Dec 11th, 2016 07:21 AM
For Sale - Sold: Pentax Dealer Display Items Sold Items jbondo 2 1103 Jul 5th, 2016 06:19 AM
Suggestion Add Auto-Takumar 55mm f2.2 to Serial Number Database Site Suggestions and Help Adam 1 974 Aug 22nd, 2015 10:54 PM
POLL: K and M series only - Leverectomy Usability and... Pentax SLR Lens Discussion pinholecam 20 2228 Apr 21st, 2015 06:43 PM
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