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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. New Baader U flip question. 1 2 3

    By dancingcat,   
    • 53 replies
    • 1.2k views

  2. AR coating and UV?

    By Doug A,   
    • 10 replies
    • 350 views

  3. Lee #729

    By Picareto,   
    • 2 replies
    • 210 views

  4. How to photograph the sun in UV?

    By Doug A,   
    • 13 replies
    • 631 views

  5. [Filter Test] Blocking UV for Visible, Full-Spectrum Photos: Part #3 SUMMARY

    By Andrea B.,   
    • 17 replies
    • 1.1k views

  6. Filter Transmission Chart: UVROptics MidMostU

    By dancingcat,   
    • 19 replies
    • 443 views

  7. Kolari UV-Pass Filter: Update

    By Andrea B.,   
    • 1 reply
    • 291 views

  8. [Filter Test] Blocking UV for Visible, Full-Spectrum Photos: Part #2 UV Stress Test

    By Andrea B.,   
    • 18 replies
    • 1.1k views

  9. Unanswerable Question #273

    By Andrea B.,   
    • 17 replies
    • 424 views

  10. [Filter Test] Blocking UV for Visible Photos Made with Full-Spectrum Camera: Part #1 1 2

    By Andrea B.,   
    • 41 replies
    • 1.4k views

  11. [Filter Test] AndreaU Mk-I, AndreaU Mk-II, BaaderU, Hoya U360 Stack on a 35/3.5 1 2

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

  12. Sharpness test. Baader U vs. ZWB1/S8612 stack

    By Nate,   
    • 21 replies
    • 351 views

  13. Rain-X changes a filter's transmission 1 2

    By ulf,   
    • 36 replies
    • 1.9k views

  14. Optimal Thickness of S8612: Discussion 1 2

    By lukaszgryglicki,   
    • 42 replies
    • 1.7k views

  15. Hoya U 340 vs 360?

    By Doug A,   
    • 8 replies
    • 431 views

  16. Thinking about Andrea U mkII filter

    By Doug A,   
    • 16 replies
    • 651 views

  17. uv/ir cut filter for rookie

    By dancingcat,   
    • 15 replies
    • 498 views

  18. in need of some quick advice on an oxidized ZWB3

    By Fandyus,   
    • 10 replies
    • 521 views

  19. "Still Life" dehydrated sunflower with various filters

    By photoni,   
    • 3 replies
    • 297 views

  20. 3 filter stacked

    By Picareto,   
    • 12 replies
    • 279 views

  21. pinhole against Nikkor 50mm f: 2 - 1964

    By photoni,   
    • 14 replies
    • 919 views

  22. Pinhole sunset

    By photoni,   
    • 18 replies
    • 392 views

  23. Chinese filters - a positive experience 1 2 3 4

    By JMC,   
    • 93 replies
    • 3.2k views

  24. testing many of my filters + + 365nm led light torch

    By photoni,   
    • 20 replies
    • 436 views

  25. What ionic filter stack is closest to Baader U performance?

    By Doug A,   
    • 9 replies
    • 2k views
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