Filter Discussions & Tests

370 topics in this forum

1. Filter Series: 13 Color Filters with WB Made In-Camera

   By Picareto, August 5, 2023   

   • Filters
   • 10 replies
   • 511 views
   • 
   • Ming
   • August 5, 2023

2. Five IR-Blockers Tested for Visible Color Use on Full Spectrum Camera 1 2 3 4

   By Andrea B., August 18, 2021   

   • Filters
   • 81 replies
   • 7.3k views
   • 
   • Andrea B.
   • February 25, 2022

3. Filter Series :: Name-brand UV-Pass Shootout with LaLaU, LuvU-II, KolariU, Moon UVA Miami and More 1 2

   By Andrea B., May 24, 2021   

   • Filters
   • 42 replies
   • 2k views
   • 
   • Andrea B.
   • May 28, 2021

4. Filter Series :: 15 Yellow and Orange Longpass Filters :: Transmission Charts 1 2

   By ulf, January 20, 2020   

   • Infrared
   • Filters
   • 39 replies
   • 6.3k views
   • 
   • Nisei
   • June 2, 2020

5. Filter Transmission Charts #2 1 2 3

   By Andrea B., July 7, 2018   

   • Filters
   • 60 replies
   • 7.3k views
   • 
   • dabateman
   • July 13, 2018

6. Schott IR-Pass Filters: 15 Views of the Raw Color

   By Andrea B., July 5, 2018   

   • Filters
   • Infrared
   • 0 replies
   • 1.2k views
   • 
   • Andrea B.
   • July 5, 2018

7. Schott IR-Pass Filters: 15 Views of the White-balanced Color Checker Card

   By Andrea B., July 3, 2018   

   • Filters
   • Infrared
   • 12 replies
   • 2.6k views
   • 
   • Cadmium
   • July 6, 2018

8. Filter Series: 16 Filters on the GH1: Scarecrow, Insect Hotel and Foliage, Raw & WB

   By Andrea B., August 24, 2017   

   • Filters
   • 4 replies
   • 2.2k views
   • 
   • Andrea B.
   • August 24, 2017

9. Filter Series :: Water, Land, Sky with K5 :: 36 UV/IR Filters, Raw & White Balanced

   By Andrea B., August 8, 2017   

   • Filters
   • 15 replies
   • 6.9k views
   • 
   • Andrea B.
   • January 10, 2020

10. Links to Filter Info

    By Andrea B., January 16, 2017   

    • Filters
    • 0 replies
    • 2.1k views
    • 
    • Andrea B.
    • January 16, 2017

11. Filter Transmission Charts #1 1 2 3

    By Andrea B., April 9, 2015   

    • Filters
    • 56 replies
    • 43.6k views
    • 
    • ulf
    • December 5, 2022

12. Ebay seller rapidspectra bought out Omega Optical's inventory

    By Andy Perrin, April 3
    • 9 replies
    • 364 views
    • 
    • JCDowdy
    • April 10

13. Normal colors test: Tangsinuo QB21 & ICF ("hot mirror") filters on Sony a7 full spectrum camera 1 2 3

    By LarsHP, March 27
    • 68 replies
    • 1.5k views
    • 
    • LarsHP
    • April 9

14. Filter for UVC Tube Lights ?

    By colinbm, March 23
    • 1 reply
    • 339 views
    • 
    • lukaszgryglicki
    • March 23

15. Computational filters, statistical filters and "seeing" in the UV

    By Aaron E., March 14
    • 3 replies
    • 513 views
    • 
    • Andy Perrin
    • April 6

16. Confusion about a new filter

    By VideoJohn, March 10
    • 4 replies
    • 566 views
    • 
    • Andrea B.
    • March 11

17. MidOpt StablEDGE® filters

    By Stefano, March 8   

    • Filters
    • 1 reply
    • 457 views
    • 
    • Lou Jost
    • March 9

18. Material used in replacement of EV/IR cut filters in full spectrum conversions

    By Robert49, March 8
    • 7 replies
    • 626 views
    • 
    • Robert49
    • March 15

19. IR filters between 720 and 850

    By lukaszgryglicki, March 3
    • 12 replies
    • 343 views
    • 
    • lukaszgryglicki
    • March 7

20. Pros & cons regarding high transmission UV pass filters: Baader U (3 versions) & Chroma U-Bessel 1 2 3

    By LarsHP, February 25
    • 68 replies
    • 2.2k views
    • 
    • LarsHP
    • March 29

21. Tangsinuo U-Venus filter

    By aphalo, January 16   

    • Filters
    • 5 replies
    • 400 views
    • 
    • dabateman
    • January 16

22. Image-Labratory UV filter?

    By Doug A, December 21, 2023
    • 7 replies
    • 463 views
    • 
    • ulf
    • January 7

23. Kolari UV bandpass in front of lens or behind?

    By moondigger, December 18, 2023
    • 16 replies
    • 492 views
    • 
    • DonPilou
    • December 20, 2023

24. Where to buy filter rings

    By Marc del Piro, December 8, 2023
    • 12 replies
    • 476 views
    • 
    • lukaszgryglicki
    • January 22

25. Iridium filter

    By GaryR, December 1, 2023
    • 22 replies
    • 533 views
    • 
    • DKoch
    • December 11, 2023