Filter Discussions & Tests

370 topics in this forum

1. Lens Clamp Filter Holder Experiment

   By Andrea B., February 12, 2015   

   • Filters
   • 9 replies
   • 3.6k views
   • 
   • JCDowdy
   • February 13, 2015

2. Seeking advice for a novice UV Photographer

   By ahrneely, July 17, 2013   

   • Filters
   • 5 replies
   • 3.6k views
   • 
   • Andrea B.
   • July 23, 2013

3. [Filter Test] (Teaser) Sunflower in UV with New Filter (NOW REVEALED!)

   By Andrea B., August 23, 2016   

   • Filters
   • 10 replies
   • 3.5k views
   • 
   • Andrea B.
   • August 28, 2016

4. [Filter Test] StraightEdgeU (v2016) OD5-OD6 Wins IR Forcing Shootout!

   By Andrea B., August 26, 2016   

   • Filters
   • 3 replies
   • 3.5k views
   • 
   • Andrea B.
   • August 30, 2016

5. Anybody Know this Filter Please ?

   By colinbm, October 28, 2014   

   • Filters
   • 14 replies
   • 3.5k views
   • 
   • Andrea B.
   • October 30, 2014

6. Asahi 253.7 UAT Filter - Very Leaky

   By Andrea B., March 11, 2015   

   • Filters
   • 12 replies
   • 3.5k views
   • 
   • JCDowdy
   • March 13, 2015

7. [Filter Test] 293BP10: It's Rough Down There Below 300 nm

   By Andrea B., March 12, 2015   

   • Filters
   • 6 replies
   • 3.4k views
   • 
   • Andrea B.
   • December 1, 2015

8. [Filter Test] BaaderU UV-Pass

   By Andrea B., May 3, 2015   

   • Filters
   • 6 replies
   • 3.3k views
   • 
   • Andrea B.
   • May 13, 2015

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

   By JMC, July 20, 2021   

   • Filters
   • 93 replies
   • 3.3k views
   • 
   • JMC
   • October 19, 2021

10. Barrier Filters: what are they and who needs them?

    By Pylon, July 10, 2015   

    • Filters
    • Fluorescence
    • 7 replies
    • 3.3k views
    • 
    • Andrea B.
    • July 15, 2015

11. Omega 330WB80

    By Andy Perrin, April 15, 2016   

    • Filters
    • 13 replies
    • 3.2k views
    • 
    • Andy Perrin
    • April 18, 2016

12. Oxidation of ionic glass

    By rfcurry, October 30, 2016   

    • Filters
    • 8 replies
    • 3.2k views
    • 
    • Cadmium
    • October 30, 2016

13. [Filter Test] 290BP10 UV-Pass

    By Andrea B., March 24, 2014   

    • Filters
    • 15 replies
    • 3.2k views
    • 
    • colinbm
    • March 25, 2014

14. Kolari Vision UV redness 1 2 3

    By Nemo Andrea, May 10, 2020   

    • Filters
    • 59 replies
    • 3.1k views
    • 
    • eye4invisible
    • May 27, 2020

15. Question about Kolari Filter Test

    By Andrea B., June 4, 2017   

    • Filters
    • 15 replies
    • 3k views
    • 
    • DonPilou
    • June 8, 2017

16. Fixing Baader-U with crack

    By Johan, September 27, 2018   

    • Filters
    • 9 replies
    • 3k views
    • 
    • Andrea B.
    • October 12, 2018

17. Rites of Spring: UV filter shootout with Tussilago

    By nfoto, March 28, 2015   

    • Filters
    • 4 replies
    • 3k views
    • 
    • nfoto
    • March 29, 2015

18. Don't Forget about Filter Maintenance ! 1 2

    By Andrea B., June 29, 2019   

    • Filters
    • 33 replies
    • 2.9k views
    • 
    • Nisei
    • June 9, 2020

19. Is there one size that fits all?

    By rfcurry, October 21, 2014   

    • Filters
    • 11 replies
    • 2.9k views
    • 
    • rfcurry
    • October 25, 2014

20. Rosco Permacolor #3660 Dichroic UV Pass

    By argus, March 31, 2016   

    • Filters
    • Fluorescence
    • 3 replies
    • 2.9k views
    • 
    • Cadmium
    • March 31, 2016

21. [Filter Test] 340/10 #2 Cured the flare but it's ring around the posy here

    By Andrea B., August 23, 2016   

    • Filters
    • 6 replies
    • 2.9k views
    • 
    • Andrea B.
    • August 25, 2016

22. New IR Chrome version and how to DIY

    By Christoph, September 1, 2021   

    • Filters
    • 13 replies
    • 2.9k views
    • 
    • colinbm
    • January 24, 2022

23. [Filter Test SEU Gen2 #4] Dealing with the Usual Dichroic Effects

    By Andrea B., July 17, 2018   

    • Filters
    • 9 replies
    • 2.8k views
    • 
    • Andrea B.
    • February 12, 2021

24. UG5 test: how do I get that nice green?

    By msubees, August 24, 2014   

    • Filters
    • 13 replies
    • 2.8k views
    • 
    • Andrea B.
    • September 5, 2014

25. Need help with filter problem UV/IR 1 2 3

    By StephanN, September 21, 2020   

    • Filters
    • Infrared
    • (and 1 more)

      Tagged with:

      • Filters
      • Infrared
      • Lens
    • 53 replies
    • 2.8k views
    • 
    • Andy Perrin
    • September 25, 2020