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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. Kolari UV / IR Cut Pro 2 Filter.

    By colinbm,   
    • 10 replies
    • 287 views

  2. Strange Hoya U-340 effect at UV index 11

    By lukaszgryglicki,   
    • 5 replies
    • 368 views

  3. BaaderU Raw Color with Nikon D600 and Panasonic S1R: Geez!! (Update: Edmond 340BP10) 1 2

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

  4. PINHOLE test with sunflower & UV filters

    By photoni,   
    • 12 replies
    • 569 views

  5. A new UV-Pass, NIR Blocking Filter

    By rfcurry,   
    • 24 replies
    • 737 views

  6. Spring test of the lenses with new Tangsinuo filters

    By photoni,   
    • 15 replies
    • 451 views

  7. Glass oxidation vs. tarnish

    By rfcurry,   
    • 13 replies
    • 498 views

  8. New TSN575 Tangsinuo (an alternative to BG39 / S8612 ?)

    By photoni,   
    • 24 replies
    • 1.6k views

  9. Hydrogen-A astro filter for Daytime?

    By Nate,   
    • 12 replies
    • 619 views

  10. IR Filter and Modifier Filter List

    By mason2spectral,   
    • 8 replies
    • 727 views

  11. New MidOpt BP850 filter - what is it used for? (Corrected designation)

    By Doug A,   
    • 6 replies
    • 477 views

  12. Lee #729

    By Picareto,   
    • 2 replies
    • 212 views

  13. New Baader U flip question. 1 2 3

    By dancingcat,   
    • 53 replies
    • 1.3k views

  14. How to photograph the sun in UV?

    By Doug A,   
    • 13 replies
    • 644 views

  15. Kolari UV-Pass Filter: Update

    By Andrea B.,   
    • 1 reply
    • 294 views

  16. Filter Transmission Chart: UVROptics MidMostU

    By dancingcat,   
    • 19 replies
    • 445 views

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

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

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

    By Andrea B.,   
    • 18 replies
    • 1.2k views

  19. Unanswerable Question #273

    By Andrea B.,   
    • 17 replies
    • 427 views

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

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

  21. AR coating and UV?

    By Doug A,   
    • 10 replies
    • 354 views

  22. Hoya U 340 vs 360?

    By Doug A,   
    • 8 replies
    • 435 views

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

    By Nate,   
    • 21 replies
    • 354 views

  24. Optimal Thickness of S8612: Discussion 1 2

    By lukaszgryglicki,   
    • 42 replies
    • 1.7k views

  25. [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
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