Change history for item: Sigma AF 20-40mm f/2.8 DG EX ASPHERICAL Nikon F

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1. Donny Darko 04 July 2023 18:02:04
   1. Create: Description #2966347
      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 #2966348
      Value: Sigma
      
   3. Create: Type #2966349
      Value: Lens
      
   4. Create: Lens type #2966350
      Value: Wide angle
      
   5. Create: Focal length #2966351
      Value: Variable
      
   6. Create: Auto focus #2966352
      Value: There is
      
   7. Create: Min. focal length #2966353
      Value: 20 mm
      
   8. Create: Max. focal length #2966354
      Value: 40 mm
      
   9. Create: Zoom ratio #2966355
      Value: 2x
      
   10. Create: Minimum focus distance #2966356
       Value: 0.3 m
       
   11. Create: Functions #2966357
       Value: Internal focus
       
   12. Create: Minimum viewing angle #2966358
       Value: 56.8 deg.min
       
   13. Create: Max viewing angle #2966359
       Value: 94.5 deg.min
       
   14. Create: Aperture F at min. focal length #2966360
       Value: 2.8
       
   15. Create: Aperture F at max. focal length #2966361
       Value: 2.8
       
   16. Create: Minimum aperture F #2966362
       Value: 22
       
   17. Create: Number of aperture blades #2966363
       Value: 9
       
   18. Create: Bayonet #2966364
       Value: Nikon F
       
   19. Create: Filter thread diameter #2966365
       Value: 82 mm
       
   20. Create: Number of element groups #2966366
       Value: 13
       
   21. Create: Number of elements #2966367
       Value: 17
       
   22. Create: Number of aspherical elements #2966368
       Value: 2
       
   23. Create: Diameter #2966369
       Value: 89 mm
       
   24. Create: Length #2966370
       Value: 107.8mm
       
   25. Create: Weight #2966371
       Value: 595 g
       
   26. Create: Image #6160654
       URL: https://avatars.mds.yandex.net/get-mpic/1620389/img_id6775628190646573219/orig
       
   27. Create: Preview image #6160655
       URL: https://avatars.mds.yandex.net/get-mpic/1620389/img_id6775628190646573219/orig
       
2. Donny Darko 28 April 2023 22:12:49
   Name: Sigma AF 20-40mm f/2.8 DG EX ASPHERICAL Nikon F; Catalog: Camera lenses