Change history for item: Samyang 20mm T1.9 ED AS UMC Micro 4/3

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1. Donny Darko 05 July 2023 06:11:52
   1. Create: Description #3001917
      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 #3001918
      Value: Samyang
      
   3. Create: Type #3001919
      Value: Lens
      
   4. Create: Lens type #3001920
      Value: Wide angle
      
   5. Create: Focal length #3001921
      Value: Permanent
      
   6. Create: Focal length of prime lens #3001922
      Value: 20 mm
      
   7. Create: Minimum focus distance #3001923
      Value: 0.2 m
      
   8. Create: Functions #3001924
      Value: Adapted for video
      
   9. Create: Aperture F at min. focal length #3001925
      Value: 1.9
      
   10. Create: Aperture F at max. focal length #3001926
       Value: 1.9
       
   11. Create: Minimum aperture F #3001927
       Value: 22
       
   12. Create: Number of aperture blades #3001928
       Value: 7
       
   13. Create: Bayonet #3001929
       Value: Micro 4/3
       
   14. Create: Filter thread diameter #3001930
       Value: 77 mm
       
   15. Create: Number of element groups #3001931
       Value: 12
       
   16. Create: Number of elements #3001932
       Value: 13
       
   17. Create: Number of aspherical elements #3001933
       Value: 2
       
   18. Create: Number of low dispersion elements #3001934
       Value: 3
       
   19. Create: Diameter #3001935
       Value: 83 mm
       
   20. Create: Length #3001936
       Value: 113.2 mm
       
   21. Create: Weight #3001937
       Value: 541 g
       
   22. Create: Image #6167933
       URL: https://avatars.mds.yandex.net/get-mpic/195452/img_id7675301092769031395/orig
       
   23. Create: Preview image #6167934
       URL: https://avatars.mds.yandex.net/get-mpic/195452/img_id7675301092769031395/orig
       
2. Donny Darko 28 April 2023 22:16:48
   Name: Samyang 20mm T1.9 ED AS UMC Micro 4/3; Catalog: Camera lenses