Change history for item: Opteka 420-800mm f/8.3 4/3

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1. Donny Darko 05 July 2023 07:28:08
   1. Create: Description #3016096
      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 #3016097
      Value: Opteka
      
   3. Create: Type #3016098
      Value: Lens
      
   4. Create: Lens type #3016099
      Value: Telephoto lens
      
   5. Create: Focal length #3016100
      Value: Variable
      
   6. Create: Min. focal length #3016101
      Value: 420 mm
      
   7. Create: Max. focal length #3016102
      Value: 800 mm
      
   8. Create: Zoom ratio #3016103
      Value: 1.9x
      
   9. Create: Minimum focus distance #3016104
      Value: 1.6 m
      
   10. Create: Aperture F at min. focal length #3016105
       Value: 8.3
       
   11. Create: Aperture F at max. focal length #3016106
       Value: 8.3
       
   12. Create: Minimum aperture F #3016107
       Value: 16
       
   13. Create: Bayonet #3016108
       Value: 4/3
       
   14. Create: Filter thread diameter #3016109
       Value: 62 mm
       
   15. Create: Number of element groups #3016110
       Value: 2
       
   16. Create: Number of elements #3016111
       Value: 4
       
   17. Create: Length #3016112
       Value: 222.25 mm
       
   18. Create: Weight #3016113
       Value: 520 g
       
   19. Create: Image #6172288
       URL: https://avatars.mds.yandex.net/get-mpic/466729/img_id4914910080102918145.jpeg/orig
       
   20. Create: Preview image #6172289
       URL: https://avatars.mds.yandex.net/get-mpic/466729/img_id4914910080102918145.jpeg/orig
       
2. Donny Darko 28 April 2023 22:19:21
   Name: Opteka 420-800mm f/8.3 4/3; Catalog: Camera lenses