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

    By colinbm,
    • 34 replies
    • 913 views

  2. Constructive Critique Welcome 260nm Illumination

    By colinbm,   
    • 20 replies
    • 437 views

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

    By photoni,
    • 17 replies
    • 482 views

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

    By Lou Jost,
    • 3 replies
    • 147 views

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

    By Lou Jost,
    • 26 replies
    • 605 views

  6. Alternatives to glass spectrum filters?

    By VideoJohn,
    • 10 replies
    • 349 views

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

    By Fedia,   
    • 11 replies
    • 550 views

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

    By Fedia,   
    • 36 replies
    • 1.3k views

  9. BaaderU, KolariU and UVBplus, ZWB1x8.0: Red Bluets

    By Andrea B.,   
    • 9 replies
    • 393 views

  10. How to do UV Induced Infrared Fluorescence 1 2

    By Doug A,   
    • 42 replies
    • 1.3k views

  11. Aerochrome color shifts SOOC with Foveon 1 2

    By Christoph,   
    • 40 replies
    • 1.3k views

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

    By Christoph,   
    • 13 replies
    • 402 views

  13. Hoya R72 blotchiness when pushed

    By VideoJohn,   
    • 9 replies
    • 279 views

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

    By Doug A,   
    • 6 replies
    • 333 views

  15. Question about ZWB or QB typical thicknesses

    By Andrea B.,   
    • 12 replies
    • 384 views

  16. Revisiting the 340BP15 on a GH-1.

    By Andrea B.,   
    • 5 replies
    • 378 views

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

    By FL_96,   
    • 32 replies
    • 1.5k views

  18. Variable ND filter for Vis/IR

    By Nate,   
    • 4 replies
    • 205 views

  19. Adjustable IR filter? How does this work?

    By Andrea B.,   
    • 7 replies
    • 444 views

  20. Custom variable NIR-pass filter with Hoya 80B

    By enricosavazzi,   
    • 6 replies
    • 405 views

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

    By lukaszgryglicki,   
    • 17 replies
    • 673 views

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

    By enricosavazzi,   
    • 6 replies
    • 344 views

  23. Very quick question - IR 1um+ filter recommendation 1 2

    By lukaszgryglicki,   
    • 37 replies
    • 982 views

  24. Experiment with WB for B+W 092 IR-Pass

    By Andrea B.,   
    • 11 replies
    • 363 views

  25. Filter simulator using real world data in software

    By Daniel Gawędzki,   
    • 3 replies
    • 283 views
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