Lenses & Lens Accessories

3,016 topics in this forum

1. FAQ: Focal length, field of view and formats

   By Laurent Andrieux, February 25, 2005
   • 17 replies
   • 38.1k views
   • 
   • Don H Marks
   • April 1, 2024
2. • 
   • 
   • 

3. FAQ: ANAMORPHIC LENSES 1 2 3

   By Guest User, January 29, 2005
   • 54 replies
   • 219.1k views
   • 
   • Robert Hart
   • February 11, 2023

4. Century 1.9mm f/1.8 Bolex Fisheye lens

   By Olaf Trevilla, Tuesday at 07:59 AM
   • 3 replies
   • 197 views
   • 
   • Hunter O'Shea
   • 10 hours ago

5. LEICA-R set of 6 lenses ELMARIT 19/24/28mm , SUMMILUX-R 35/50/80mm.

   By Zbignev Ingelevic, January 6
   • 2 replies
   • 435 views
   • 
   • Uli Meyer
   • April 10

6. Question on anamorphic lenses

   By Pete Huffman, April 2
   • 9 replies
   • 447 views
   • 
   • Pete Huffman
   • April 8

7. What's the difference between the Kipon/IBE and MTF B4 to S35 optical correctors?

   By Geffen Avraham, August 14, 2025
   • 1 reply
   • 1.1k views
   • 
   • Steven Jackson
   • April 4

8. Kern Switar 10mm MACRO Loose?

   By Tyler Fukuda, March 17
   • 6 replies
   • 380 views
   • 
   • Simon Wyss
   • March 19

9. Converting a Technovision Zoom Lens that was converted to a spherical zoom 20-100mm , back to an anamorphic zoom?

   By victor huey, March 10
   • 2 replies
   • 434 views
   • 
   • Dom Jaeger
   • March 15

10. SIGMA CINE 18-35mm (& or 50-100mm) on KODAK VISION 3 (Super 35) ?

    By Philip Pritchard, March 11
    • 0 replies
    • 212 views
    • 
    • Philip Pritchard
    • March 11

11. mystery NASA lens

    By Björn Köling, February 10, 2022
    • 6 replies
    • 2.2k views
    • 
    • Björn Köling
    • March 10

12. Two videos about two vintage photo lenses: the Kiron 28 f/2 and the Zeiss 50 f/2 from the 1930s

    By Karim D. Ghantous, March 6
    • 0 replies
    • 289 views
    • 
    • Karim D. Ghantous
    • March 6

13. Lomo lenses for rehousing

    By Ali Aghayev, July 23, 2025
    • 5 replies
    • 2.8k views
    • 
    • Ali Aghayev
    • February 22

14. Zoom Problem Zeiss 10-100

    By Janis Lionel Huber, February 17
    • 5 replies
    • 482 views
    • 
    • Jean-Louis Seguin
    • February 20

15. Filters and Matte boxes for Leica R/stills lenses

    By JB Earl, February 3
    • 4 replies
    • 713 views
    • 
    • JB Earl
    • February 18

16. Century Optics Canon 200mm and 300mm

    By Connor Keep, February 6
    • 0 replies
    • 301 views
    • 
    • Connor Keep
    • February 6

17. anamorpic Tying to adapt Yashica Scope 1.5x

    By Alexander Zip, January 21   

    • lens
    • 4 replies
    • 501 views
    • 
    • Joerg Polzfusz
    • January 21

18. Statera lenses (Old Fast Glass)

    By Markus A Ljungberg, January 19
    • 2 replies
    • 489 views
    • 
    • Mark LaFleur
    • January 19

19. Haze in Arri Schneider Cinegon 16mm/f2

    By Marc Roessler, November 26, 2025
    • 8 replies
    • 930 views
    • 
    • Fabian Schreyer
    • January 11

20. Atlas anamorphic lenses with Standard 16mm Eclair ACL (PL mount)

    By Nathaniel Elder, January 6
    • 2 replies
    • 462 views
    • 
    • Vincent Wolfram
    • January 7

21. How do I use a lens gauge and who might be in need of one?

    By Sebastian Bock, May 18, 2024
    • 4 replies
    • 1.3k views
    • 
    • Emils Skrivelis
    • January 5

22. Anyone know the weight of the lomo foton-a front anamorphic 37-140mmm t4.4 zoom?

    By Edith blazek, December 24, 2025   

    • lomo
    • anamorphic lens
    • (and 2 more)

      Tagged with:

      • lomo
      • anamorphic lens
      • lomo anamorphic zoom
      • lomo foton
    • 2 replies
    • 556 views
    • 
    • Aapo Lettinen
    • December 27, 2025

23. Any follow focus recommendations for a Fujinon MK 18-55 on a Sony F55?

    By Samuel Berger, December 27, 2025
    • 0 replies
    • 1.3k views
    • 
    • Samuel Berger
    • December 27, 2025

24. FOR SALE : OPTICA ELITE SUPER 16 SET OF 5

    By Renaud Pachot, December 22, 2025
    • 0 replies
    • 1.1k views
    • 
    • Renaud Pachot
    • December 22, 2025

25. aaton Aaton mount primes

    By Jordan Beard, June 5, 2020
    • 13 replies
    • 5.3k views
    • 
    • Hugo Malpeyre
    • December 21, 2025

26. Best 4 x 5.65 ND filters?

    By Mohammed Tahir, October 12, 2025
    • 3 replies
    • 1.5k views
    • 
    • Matthew Figueroa
    • December 19, 2025