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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. [Filter Test] StraightEdgeU (v2016) OD5-OD6 Wins IR Forcing Shootout!

    By Andrea B.,   
    • 3 replies
    • 3.5k views

  2. [Filter Test] StraightEdgeU (v2016) Summary of Recent Tests

    By Andrea B.,   
    • 0 replies
    • 951 views

  3. [Filter Test] StraightEdgeU (v2016) vs. BaaderU: The Evil Clown of Middletown

    By Andrea B.,   
    • 0 replies
    • 1.6k views

  4. [Filter Test] StraightEdgeU (v2016) vs. the Others: Scarecrow Garden Scene

    By Andrea B.,   
    • 2 replies
    • 2k views

  5. [Filter Test] U-340 x 1.0 mm and ZWB1 x 1.5 mm: Visible Light Leaks

    By Andrea B.,   
    • 9 replies
    • 404 views

  6. 1.25” Eyepiece Filters Can Fit Some Olympus µ4/3 Bodies

    By JCDowdy,   
    • 3 replies
    • 1.7k views

  7. 280bp10 attempt 1 2

    By dabateman,   
    • 33 replies
    • 4k views

  8. 3 filter stacked

    By Picareto,   
    • 12 replies
    • 280 views

  9. 4 x filter tests with UVP 302nm light source and flowers

    By JMC,   
    • 5 replies
    • 1k views

  10. 729 summary

    By Cadmium,   
    • 4 replies
    • 853 views

  11. A Diffusion filter to remove UV hotspots

    By dabateman,   
    • 19 replies
    • 1.7k views

  12. A few filter tests

    By Cadmium,   
    • 11 replies
    • 1.1k views

  13. A few NIR low-pass filters (and others) tested

    By enricosavazzi,   
    • 6 replies
    • 343 views

  14. A new UV Bandpass filter

    By rfcurry,   
    • 19 replies
    • 4.8k views

  15. A new UV-Pass, NIR Blocking Filter

    By rfcurry,   
    • 24 replies
    • 734 views

  16. A rainbow of shots on a Panasonic 20mm f/1.7 (1st version)

    By KarlBlessing,   
    • 20 replies
    • 1.3k views

  17. Accidental IR-filter, a bit like Aerochrome? 1 2

    By ulf,   
    • 38 replies
    • 8.3k views

  18. Adapters to put the UV filter behind the lens

    By rfcurry,   
    • 11 replies
    • 456 views

  19. Adjustable IR filter? How does this work?

    By Andrea B.,   
    • 7 replies
    • 443 views

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

    By FL_96,   
    • 32 replies
    • 1.5k views

  21. Aerochrome color shifts SOOC with Foveon 1 2

    By Christoph,   
    • 40 replies
    • 1.3k views

  22. Alternatives to glass spectrum filters?

    By VideoJohn,
    • 10 replies
    • 348 views

  23. Amaryllis in the 500s with B+W 099 and Schott OG550 (and others)

    By Andrea B.,   
    • 1 reply
    • 778 views

  24. An old Kodak Wratten 18a filter

    By JMC,   
    • 16 replies
    • 776 views

  25. Another Allamanda flower with a Violet Blue Cyan Green filter about 380nm to 530nm. 1 2

    By colinbm,   
    • 26 replies
    • 5.3k views
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