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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. Adapters to put the UV filter behind the lens

    By rfcurry,   
    • 11 replies
    • 458 views

  2. Hoya U-340 Filter on eBay - Does This Look Right?

    By Andrew Dayer,   
    • 3 replies
    • 451 views

  3. What do these UV 330BP93 false colors mean?

    By rfcurry,   
    • 20 replies
    • 678 views

  4. New CuRB chart on UVR Optics

    By lukaszgryglicki,   
    • 5 replies
    • 265 views

  5. "Shadowgraphy" with UV light - an experiment to detect fluctuations in the optical density of otherwise homogeneous, transparent panes of glass

    By Kai,   
    • 9 replies
    • 518 views

  6. Bokeh striations in ZWB2

    By Ming,   
    • 10 replies
    • 570 views

  7. Wratten 2A vs 2E for UVIVF?

    By Doug A,   
    • 2 replies
    • 332 views

  8. New Tangsinuo filters - which to get? 1 2

    By Fandyus,   
    • 41 replies
    • 2.3k views

  9. good deal for a 340nm bandpass filter on eBay

    By Fandyus,   
    • 5 replies
    • 236 views

  10. Cerium oxide 1 2

    By Fandyus,   
    • 40 replies
    • 1.3k views

  11. IR images with blue sky and water using a ZWB2 filter

    By Kai,   
    • 11 replies
    • 596 views

  12. Looking for small UV capable sensor glass for camera modification.

    By Doug A,   
    • 8 replies
    • 402 views

  13. Is this oxidization or something else?

    By LookCloser,   
    • 17 replies
    • 613 views

  14. theory and practice of basic UV lenses

    By photoni,   
    • 5 replies
    • 443 views

  15. Are there filter stacks that balance the light intensity of UV, vis, and IR?

    By Doug A,   
    • 10 replies
    • 405 views

  16. What filter for UV < 320 nm? 1 2

    By lukaszgryglicki,   
    • 37 replies
    • 736 views

  17. FOTGA UV/IR cut - how well does it attenuate UV?

    By Fandyus,   
    • 6 replies
    • 400 views

  18. Kolarivision IR Chrome DIY Chinese version. 1 2

    By Marc del Piro,   
    • 37 replies
    • 5k views

  19. New picture Lee#172+GRB3

    By Picareto,   
    • 7 replies
    • 276 views

  20. Lee #172 + GRB3

    By Picareto,   
    • 4 replies
    • 322 views

  21. My homemade filter holder.

    By Picareto,   
    • 9 replies
    • 464 views

  22. Panasonic S1R Filter Series (14 filters as of 15 June 2022)

    By Andrea B.,   
    • 6 replies
    • 356 views

  23. Goldie with Lee scuba blue + Kenko ya3 (orange)

    By Picareto,   
    • 9 replies
    • 296 views

  24. Finally got it! How to Use Lee Swatchbook Filters??

    By Picareto,   
    • 13 replies
    • 819 views

  25. Is there *ANY* UV/IR cut filter that will make BB Fuji GFX 50R fully usable in normal visible light?

    By lukaszgryglicki,   
    • 22 replies
    • 738 views
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