Change history for item: Sigma AF 17-50mm f/2.8 EX DC HSM Pentax KA/KAF/KAF2

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1. Donny Darko 04 July 2023 18:25:58
   1. Create: Description #2975678
      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 #2975679
      Value: Sigma
      
   3. Create: Type #2975680
      Value: Lens
      
   4. Create: Lens type #2975681
      Value: Standard
      
   5. Create: Focal length #2975682
      Value: Variable
      
   6. Create: For non-full frame cameras only #2975683
      Value: Yes
      
   7. Create: Auto focus #2975684
      Value: There is
      
   8. Create: Min. focal length #2975685
      Value: 17 mm
      
   9. Create: Max. focal length #2975686
      Value: 50 mm
      
   10. Create: Zoom ratio #2975687
       Value: 2.9x
       
   11. Create: Minimum focus distance #2975688
       Value: 0.28 m
       
   12. Create: Functions #2975689
       Value: Focusing motor for Nikon F, ultrasonic motor
       
   13. Create: Minimum viewing angle #2975690
       Value: 27.9 deg.min
       
   14. Create: Max viewing angle #2975691
       Value: 72.4 deg.min
       
   15. Create: Aperture F at min. focal length #2975692
       Value: 2.8
       
   16. Create: Aperture F at max. focal length #2975693
       Value: 2.8
       
   17. Create: Minimum aperture F #2975694
       Value: 22
       
   18. Create: Number of aperture blades #2975695
       Value: 7
       
   19. Create: Bayonet #2975696
       Value: Pentax KA/KAF/KAF2/KAF3
       
   20. Create: Filter thread diameter #2975697
       Value: 77 mm
       
   21. Create: Number of element groups #2975698
       Value: 13
       
   22. Create: Number of elements #2975699
       Value: 17
       
   23. Create: Diameter #2975700
       Value: 83.5 mm
       
   24. Create: Length #2975701
       Value: 91.8 mm
       
   25. Create: Weight #2975702
       Value: 565 g
       
   26. Create: Image #6161462
       URL: https://avatars.mds.yandex.net/get-mpic/4721581/img_id5071630630240876065.jpeg/orig
       
   27. Create: Preview image #6161463
       URL: https://avatars.mds.yandex.net/get-mpic/4721581/img_id5071630630240876065.jpeg/orig
       
2. Donny Darko 28 April 2023 22:13:36
   Name: Sigma AF 17-50mm f/2.8 EX DC HSM Pentax KA/KAF/KAF2; Catalog: Camera lenses