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jbondo is just starting with 318 overall Likesjbondo is just starting with 318 overall Likesjbondo is just starting with 318 overall Likes
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  1. szs
    Jul 3rd, 2019

    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
    United States
    Pentax Cameras
    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.
    Astrophotography, Nature, Available Light.
    IT, Musician, Pro Light & Sound...


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General Information
  • Last Activity: Apr 19th, 2021
  • Join Date: Sep 4th, 2013
  • Referrals: 0
  • Total Likes Received: 318

Latest Reviews

Item Name Thumbnail Recommended Rating Price Review

Liked Posts

  Latest Likes Received Date Posted By Comment
0 likes Comprehensive Rebuild Guide: Super-Multi-Coated... Nov 8th, 2020 01:40 PM fjreimundez
  Latest Likes Given Date User Name Comment
1 like Pentax camera's good for ultraviolet photography? Aug 10th, 2020 07:28 AM kds315
1 like HD Pentax-D FA★ 85mm f/1.4 SDM AW Jun 29th, 2020 06:00 PM normhead
1 like I'm Famous! (not really) - Denver 7 Article on My... May 14th, 2020 12:36 AM Colorado CJ
1 like 1000mm and 1200mm lenses Apr 30th, 2020 01:18 AM kayakfari
1 like Post your K-1 pics with vintage glasses Apr 23rd, 2020 04:17 PM Aaron28
1 like Post your K-1 pics with vintage glasses Apr 23rd, 2020 04:05 PM 5r82
0 likes Post your K-1 pics with vintage glasses Apr 23rd, 2020 04:02 PM Kerrowdown
jbondo has received a total of 318 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: Youngnuo YN560-II Sold Items jbondo 5 1244 Sep 23rd, 2020 05:58 PM
For Sale - Sold: Pentax P Adapter for 6x7 Sold Items jbondo 2 515 Aug 8th, 2020 09:02 PM
For Sale - Sold: SMC Pentax RC 0.72x 35 Telescope reducer (Part 70231) Sold Items jbondo 2 1099 Oct 20th, 2020 05:03 AM
For Sale - Sold: SMC Pentax 50mm F1.2 - Sharp Copy. Sold Items jbondo 1 900 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 1101 Nov 3rd, 2018 11:42 AM
For Sale - Sold: SMC Pentax-A 1:4 200mm Sold Items pepperberry farm 6 1111 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 3 610 Aug 9th, 2017 12:54 PM
For Sale - Sold: O-GPS1 Module Sold Items jbondo 2 1005 Dec 11th, 2016 07:21 AM
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