Change history for item: Sigma AF 200-500mm f/2.8 / 400-1000mm f/5.6 APO EX DG Canon EF

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1. Donny Darko 04 July 2023 18:24:19
   1. Create: Description #2974970
      Value: Mount: Mamiya 645, lens type: standard, focal length: variable, min. focal length: 55 mm, max. focal length: 110 mm, aperture F at min. focal length: 4.50, aperture F at max. focal length
      
   2. Create: Brand #2974971
      Value: Sigma
      
   3. Create: Type #2974972
      Value: Lens
      
   4. Create: Lens type #2974973
      Value: Telephoto lens
      
   5. Create: Focal length #2974974
      Value: Variable
      
   6. Create: Auto focus #2974975
      Value: There is
      
   7. Create: Min. focal length #2974976
      Value: 200 mm
      
   8. Create: Max. focal length #2974977
      Value: 1000 mm
      
   9. Create: Zoom ratio #2974978
      Value: 5x
      
   10. Create: Functions #2974979
       Value: Focusing motor for Nikon F
       
   11. Create: Minimum viewing angle #2974980
       Value: 5 deg.min
       
   12. Create: Max viewing angle #2974981
       Value: 12.3 deg.min
       
   13. Create: Aperture F at min. focal length #2974982
       Value: 2.8
       
   14. Create: Aperture F at max. focal length #2974983
       Value: 5.6
       
   15. Create: Minimum aperture F #2974984
       Value: 22
       
   16. Create: Number of aperture blades #2974985
       Value: 9
       
   17. Create: Bayonet #2974986
       Value: Canon EF
       
   18. Create: Filter thread diameter #2974987
       Value: 72 mm
       
   19. Create: Number of element groups #2974988
       Value: 13
       
   20. Create: Number of elements #2974989
       Value: 17
       
   21. Create: Number of low dispersion elements #2974990
       Value: 4
       
   22. Create: Diameter #2974991
       Value: 236.5 mm
       
   23. Create: Length #2974992
       Value: 726 mm
       
   24. Create: Weight #2974993
       Value: 15700 g
       
   25. Create: Additional Information #2974994
       Value: With the help of an additional component, the lens becomes a 400-1000mm f/5.6 ultra-telephoto lens
       
   26. Create: Image #6161385
       URL: https://avatars.mds.yandex.net/get-mpic/4484220/img_id3792276709360529080.jpeg/orig
       
   27. Create: Preview image #6161386
       URL: https://avatars.mds.yandex.net/get-mpic/4484220/img_id3792276709360529080.jpeg/orig
       
2. Donny Darko 28 April 2023 22:13:32
   Name: Sigma AF 200-500mm f/2.8 / 400-1000mm f/5.6 APO EX DG Canon EF; Catalog: Camera lenses