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UltravioletPhotography

Filter Discussions & Tests

Discuss any filter: UV, IR, BG, UVIR-Cut, Dual Bandpass or whatever. Show us your tests of a filter.

370 topics in this forum

  1. Image-Labratory UV filter?

    By Doug A,
    • 7 replies
    • 463 views

  2. Kolari UV bandpass in front of lens or behind?

    By moondigger,
    • 16 replies
    • 492 views

  3. What tests can I do to determine the UV limit of my camera ? 1 2

    By colinbm,
    • 34 replies
    • 899 views

  4. Iridium filter

    By GaryR,
    • 22 replies
    • 533 views

  5. Kolarivision IR Chrome DIY Chinese version. 1 2

    By Marc del Piro,   
    • 37 replies
    • 4.9k views

  6. Differences between a standard Sony A7 and a full spectrum

    By photoni,
    • 17 replies
    • 461 views

  7. Constructive Critique Welcome 260nm Illumination

    By colinbm,   
    • 20 replies
    • 416 views

  8. Aerochrome color shifts SOOC with Foveon 1 2

    By Christoph,   
    • 40 replies
    • 1.3k views

  9. Quartz coverslips really needed for UV-C microscopy?

    By Lou Jost,
    • 3 replies
    • 144 views

  10. [Filter Test] Hoya U330/U340/U360 and Schott UG1/UG5/UG1 Used as Unstacked Dual Band-Pass Filters

    By Andrea B.,   
    • 19 replies
    • 6.1k views

  11. Reasonably clean UV-C set-up 1 2

    By Lou Jost,
    • 26 replies
    • 561 views

  12. How to do UV Induced Infrared Fluorescence 1 2

    By Doug A,   
    • 42 replies
    • 1.3k views

  13. Alternatives to glass spectrum filters?

    By VideoJohn,
    • 10 replies
    • 346 views

  14. Holmium oxide glass? 1 2

    By Fandyus,   
    • 29 replies
    • 1.3k views

  15. New filter combo for digital Aerochrome with Midopt triple bandpass

    By Fedia,   
    • 11 replies
    • 534 views

  16. I'll show you my Baader, if you show me yours. 1 2

    By dabateman,   
    • 42 replies
    • 2.4k views

  17. Comparing sensors. How the "native" color of infrared varies depending on the camera. 1 2

    By Fedia,   
    • 36 replies
    • 1.3k views

  18. Question about ZWB or QB typical thicknesses

    By Andrea B.,   
    • 12 replies
    • 379 views

  19. Is there a hot mirror that allows 900nm to pass?

    By Christoph,   
    • 13 replies
    • 373 views

  20. Advices and opinions for choosing a deeper IR filter 1 2

    By FL_96,   
    • 32 replies
    • 1.5k views

  21. Hoya R72 blotchiness when pushed

    By VideoJohn,   
    • 9 replies
    • 276 views

  22. Which B+W filter competes with Tiffen UV 2E?

    By Doug A,   
    • 6 replies
    • 325 views

  23. Double Invisible Vision 308nm filter - makes sense for UV-B only stack?

    By lukaszgryglicki,   
    • 17 replies
    • 660 views

  24. Easier Aerochrome: The Triple Bandpass TB550/660/850 1 2 3 4

    By Christoph,   
    • 84 replies
    • 4.4k views

  25. What do these UV 330BP93 false colors mean?

    By rfcurry,   
    • 20 replies
    • 675 views
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