Lens Spectra using Jeweler's Spectroscope or Gratings

43 topics in this forum

1. [INDEX] Lens Spectra with Jeweler's Spectroscope by Dmitry 1 2 3

   By Andrea B., May 18, 2018
   • 51 replies
   • 10.5k views
   • 
   • Dmitry
   • June 5, 2019

2. Spectroscope 1 2 3 4

   By photoni, May 11, 2022
   • 79 replies
   • 3.4k views
   • 
   • Nate
   • July 19, 2023

3. Quicktest of three older Canon TS-E lenses

   By ulf, June 13, 2023   

   • Lens
   • 3 replies
   • 353 views
   • 
   • photoni
   • June 17, 2023

4. Mercury Hg lamp spectrum lens test - Lomo T-43 40mm f4

   By Dmitry, June 16, 2018   

   • Lens
   • 17 replies
   • 2.9k views
   • 
   • Stefano Rosoni
   • February 10, 2023

5. 3D printed spectroscope inspired by Dmitry and others

   By jscff, September 14, 2022
   • 6 replies
   • 955 views
   • 
   • Dmitry
   • September 24, 2022

6. Asahi Super Takumar 135 f:3,5

   By photoni, August 29, 2022   

   • Lens
   • 4 replies
   • 671 views
   • 
   • Andrea B.
   • September 2, 2022

7. Solar and Hg lamp spectrum lens test - Kamlan 50mm F/1.1

   By Dmitry, April 12, 2022
   • 6 replies
   • 381 views
   • 
   • Dmitry
   • April 14, 2022

8. A cheap do-it-yourself point light source for simple spectral comparative UV transmission studies

   By Kai, March 12, 2022
   • 14 replies
   • 974 views
   • 
   • Doug A
   • March 17, 2022

9. Checking my lenses for UV capability 1 2 3

   By colinbm, July 5, 2020   

   • Lens
   • 56 replies
   • 3.4k views
   • 
   • Cadmium
   • July 9, 2020

10. Solar spectrum lens test - Sigma 30mm f2.8 EX DN MFT

    By Dmitry, April 13, 2019   

    • Lens
    • 7 replies
    • 1.4k views
    • 
    • Bill De Jager
    • May 31, 2020

11. Solar and Hg lamp spectrum lens test - Olympus M.Zuiko Digital 30mm f3.5 Macro

    By Dmitry, May 30, 2020   

    • Lens
    • 4 replies
    • 632 views
    • 
    • Cadmium
    • May 30, 2020

12. Solar spectrum lens test - Jupiter-3 50mm f/1.5

    By Dmitry, June 5, 2019   

    • Lens
    • 1 reply
    • 1k views
    • 
    • Dmitry
    • June 5, 2019

13. Solar spectrum lens test - Petzval 85mm f/2.2

    By Dmitry, June 5, 2019   

    • Lens
    • 0 replies
    • 761 views
    • 
    • Dmitry
    • June 5, 2019

14. Mercury Hg lamp spectrum lens test - Panasonic Lumix G 14mm f/2.5

    By Dmitry, June 1, 2019   

    • Lens
    • 0 replies
    • 921 views
    • 
    • Dmitry
    • June 1, 2019

15. Mercury Hg lamp spectrum lens test - Meike 28mm f2.8

    By Dmitry, May 26, 2019   

    • Lens
    • 0 replies
    • 742 views
    • 
    • Dmitry
    • May 26, 2019

16. Solar and Hg lamp spectrum lens test - Industar-26m 50mm f/2.8

    By Dmitry, May 18, 2019   

    • Lens
    • 1 reply
    • 855 views
    • 
    • Dmitry
    • May 18, 2019

17. Mercury Hg lamp spectrum lens test - Viltrox EF-M2 ii SpeedBooster

    By Dmitry, May 2, 2019   

    • Lens
    • 0 replies
    • 843 views
    • 
    • Dmitry
    • May 2, 2019

18. Mercury Hg lamp spectrum lens test - Olympus M.Zuiko Digital 14-42mm f/3.5-5.6 EZ

    By Dmitry, April 30, 2019   

    • Lens
    • 7 replies
    • 1.1k views
    • 
    • Dmitry
    • May 1, 2019

19. Solar spectrum lens test - Canon 50mm f1.8 ii on SpeedBooster

    By Dmitry, April 16, 2019   

    • Lens
    • 4 replies
    • 1k views
    • 
    • JMC
    • April 17, 2019

20. Mercury Hg lamp spectrum lens test - Sigma 30mm f2.8 EX DN MFT

    By Dmitry, April 13, 2019   

    • Lens
    • 18 replies
    • 1.5k views
    • 
    • Cadmium
    • April 15, 2019

21. Solar spectrum lens test - Lomo T-43 40mm f4

    By Dmitry, May 17, 2018   

    • Lens
    • 17 replies
    • 3.3k views
    • 
    • Dmitry
    • April 15, 2019

22. Some lens transmission curves

    By rfcurry, November 4, 2018   

    • Lens
    • 4 replies
    • 2.1k views
    • 
    • JMC
    • November 6, 2018

23. Program to Label Dmitry's Solar Lens Tests

    By Andy Perrin, June 5, 2018   

    • Lens
    • 20 replies
    • 3.7k views
    • 
    • Dmitry
    • August 11, 2018

24. Solar spectrum lens test - Meike 28mm f2.8

    By Dmitry, July 1, 2018   

    • Lens
    • 6 replies
    • 2.1k views
    • 
    • Dmitry
    • August 11, 2018

25. Solar spectrum lens test - SLR Magic Cine 25mm T0.95 MFT

    By Dmitry, August 1, 2018   

    • Lens
    • 2 replies
    • 1.4k views
    • 
    • Dmitry
    • August 1, 2018