Change history for item: Sigma AF 20-40mm f/2.8 DG Canon EF

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1. Donny Darko 04 July 2023 18:14:43
   1. Create: Description #2971278
      Value: Mount: Canon EF, lens type: wide-angle, focal length: variable, autofocus, min. focal length: 20 mm, max. focal length: 40 mm, aperture F at min. focal length: 2.80 Dia
      
   2. Create: Brand #2971279
      Value: Sigma
      
   3. Create: Type #2971280
      Value: Lens
      
   4. Create: Lens type #2971281
      Value: Wide angle
      
   5. Create: Focal length #2971282
      Value: Variable
      
   6. Create: Auto focus #2971283
      Value: There is
      
   7. Create: Min. focal length #2971284
      Value: 20 mm
      
   8. Create: Max. focal length #2971285
      Value: 40 mm
      
   9. Create: Zoom ratio #2971286
      Value: 2x
      
   10. Create: Minimum focus distance #2971287
       Value: 0.3 m
       
   11. Create: Functions #2971288
       Value: Focusing motor for Nikon F
       
   12. Create: Minimum viewing angle #2971289
       Value: 56.8 deg.min
       
   13. Create: Max viewing angle #2971290
       Value: 94.5 deg.min
       
   14. Create: Aperture F at min. focal length #2971291
       Value: 2.8
       
   15. Create: Aperture F at max. focal length #2971292
       Value: 2.8
       
   16. Create: Minimum aperture F #2971293
       Value: 22
       
   17. Create: Number of aperture blades #2971294
       Value: 9
       
   18. Create: Bayonet #2971295
       Value: Canon EF
       
   19. Create: Filter thread diameter #2971296
       Value: 82 mm
       
   20. Create: Number of element groups #2971297
       Value: 13
       
   21. Create: Number of elements #2971298
       Value: 17
       
   22. Create: Number of aspherical elements #2971299
       Value: 2
       
   23. Create: Diameter #2971300
       Value: 89 mm
       
   24. Create: Length #2971301
       Value: 107.8mm
       
   25. Create: Weight #2971302
       Value: 595 g
       
   26. Create: Image #6161075
       URL: https://avatars.mds.yandex.net/get-mpic/200316/img_id5286789008396648218/orig
       
   27. Create: Preview image #6161076
       URL: https://avatars.mds.yandex.net/get-mpic/200316/img_id5286789008396648218/orig
       
2. Donny Darko 28 April 2023 22:13:13
   Name: Sigma AF 20-40mm f/2.8 DG Canon EF; Catalog: Camera lenses