Change history for item: Sigma AF 17-70mm f/2.8-4 DC MACRO HSM Pentax KA/KAF/KAF2

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1. Donny Darko 04 July 2023 18:25:28
   1. Create: Description #2975468
      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 #2975469
      Value: Sigma
      
   3. Create: Type #2975470
      Value: Lens
      
   4. Create: Lens type #2975471
      Value: Standard
      
   5. Create: Focal length #2975472
      Value: Variable
      
   6. Create: For non-full frame cameras only #2975473
      Value: Yes
      
   7. Create: Auto focus #2975474
      Value: There is
      
   8. Create: Min. focal length #2975475
      Value: 17 mm
      
   9. Create: Max. focal length #2975476
      Value: 70 mm
      
   10. Create: Zoom ratio #2975477
       Value: 4.1x
       
   11. Create: Minimum focusing distance in macro mode #2975478
       Value: 0.22 m
       
   12. Create: Zoom in macro mode #2975479
       Value: 0.37
       
   13. Create: Functions #2975480
       Value: Focusing motor for Nikon F, ultrasonic motor
       
   14. Create: Minimum viewing angle #2975481
       Value: 20.2 deg.min
       
   15. Create: Max viewing angle #2975482
       Value: 72.4 deg.min
       
   16. Create: Aperture F at min. focal length #2975483
       Value: 2.8
       
   17. Create: Aperture F at max. focal length #2975484
       Value: 4
       
   18. Create: Minimum aperture F #2975485
       Value: 22
       
   19. Create: Number of aperture blades #2975486
       Value: 7
       
   20. Create: Bayonet #2975487
       Value: Pentax KA/KAF/KAF2/KAF3
       
   21. Create: Filter thread diameter #2975488
       Value: 72 mm
       
   22. Create: Number of element groups #2975489
       Value: 13
       
   23. Create: Number of elements #2975490
       Value: 17
       
   24. Create: Number of aspherical elements #2975491
       Value: 3
       
   25. Create: Number of low dispersion elements #2975492
       Value: 1
       
   26. Create: Diameter #2975493
       Value: 79 mm
       
   27. Create: Length #2975494
       Value: 88.9 mm
       
   28. Create: Weight #2975495
       Value: 535 g
       
   29. Create: Image #6161432
       URL: https://avatars.mds.yandex.net/get-mpic/4012481/img_id7606140974589274100.jpeg/orig
       
   30. Create: Preview image #6161433
       URL: https://avatars.mds.yandex.net/get-mpic/4012481/img_id7606140974589274100.jpeg/orig
       
2. Donny Darko 28 April 2023 22:13:35
   Name: Sigma AF 17-70mm f/2.8-4 DC MACRO HSM Pentax KA/KAF/KAF2; Catalog: Camera lenses