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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. Unexpected behavior of laser protection goggles

    By enricosavazzi,   
    • 2 replies
    • 958 views

  2. Mounting 25mm filters

    By dabateman,   
    • 1 reply
    • 954 views

  3. Filter frame for unmounted 50.4mm Baader UVIR cut filter

    By Shane,   
    • 12 replies
    • 1.6k views

  4. Bold claim - Hitech ND filters and UV capability 1 2

    By JMC,   
    • 40 replies
    • 3.7k views

  5. Are longpass filters useful for transmission testing? 1 2

    By rfcurry,   
    • 48 replies
    • 5k views

  6. Getting more of the 380-400nm UV light

    By rfcurry,   
    • 7 replies
    • 2.2k views

  7. Xume filter adapters

    By cmoody,   
    • 9 replies
    • 2.5k views

  8. Infrared block, broad UV and visible pass filter? 1 2 3 4

    By Avalon,   
    • 86 replies
    • 10.6k views

  9. 280bp10 attempt 1 2

    By dabateman,   
    • 33 replies
    • 4k views

  10. [filter test] 300Bp10

    By dabateman,   
    • 17 replies
    • 1.8k views

  11. Fixing Baader-U with crack

    By Johan,   
    • 9 replies
    • 3k views

  12. [Filter Test SEU Gen2 #10] What good is a filter test without a Rudbeckia?

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

  13. [Filter test] LP1100nm

    By dabateman,   
    • 17 replies
    • 2.1k views

  14. [Filter Test SEU Gen2 #11] A Fascinating New Rudbeckian View

    By Andrea B.,   
    • 11 replies
    • 1.9k views

  15. [Filter Test SEU Gen2 #12] Summary

    By Andrea B.,   
    • 1 reply
    • 1.6k views

  16. [Filter Test SEU Gen2 #8] Dichroic Reflection Detour

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

  17. [Filter Test SEU Gen2 #9B] Longpass Stack Results

    By Andrea B.,   
    • 1 reply
    • 1.2k views

  18. [Filter Test SEU Gen2 #9A] Longpass Stack Wandering Discussion. See #9B for results. 1 2

    By Andrea B.,   
    • 43 replies
    • 5.5k views

  19. [Filter Test SEU Gen2 #7] Measured Filter Transmission

    By ulf,   
    • 5 replies
    • 1.3k views

  20. [Filter Test SEU Gen2 #3] Filter Speed & A Windy Bull's-eye

    By Andrea B.,   
    • 10 replies
    • 1.7k views

  21. [Filter Test SEU Gen2 #5] Landscape Interlude

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

  22. [Filter Test SEU Gen2 #2] White Balance, Raw Histogram & Andrea's "White Signature"

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

  23. [Filter Test SEU Gen2 #1] Introduction to the SEU Gen2

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

  24. [Filter Test] Edmund Hard-coated 340/10 Test #5: Sunflower, Sun

    By Andrea B.,   
    • 16 replies
    • 2.7k views

  25. Mounting filters smaller than lenses

    By JMC,   
    • 6 replies
    • 1.5k views
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