Change history for item: Irix 11mm f/4 Blackstone Pentax KA/KAF/KAF2/KAF3

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1. Donny Darko 05 July 2023 07:48:25
   1. Create: Description #3020039
      Value: Mount: Pentax KA/KAF/KAF2/KAF3, lens type: wide-angle, focal length: fixed, prime lens focal length: 11 mm, aperture F at min. focal length: 4, aperture F at max. focal length: 4
      
   2. Create: Brand #3020040
      Value: Irix
      
   3. Create: Type #3020041
      Value: Lens
      
   4. Create: Lens type #3020042
      Value: Wide angle
      
   5. Create: Focal length #3020043
      Value: Permanent
      
   6. Create: Focal length of prime lens #3020044
      Value: 11 mm
      
   7. Create: Minimum focus distance #3020045
      Value: 0.28 m
      
   8. Create: Aperture F at min. focal length #3020046
      Value: 4
      
   9. Create: Aperture F at max. focal length #3020047
      Value: 4
      
   10. Create: Minimum aperture F #3020048
       Value: 22
       
   11. Create: Number of aperture blades #3020049
       Value: 9
       
   12. Create: Bayonet #3020050
       Value: Pentax KA/KAF/KAF2/KAF3
       
   13. Create: Number of element groups #3020051
       Value: 10
       
   14. Create: Number of elements #3020052
       Value: 16
       
   15. Create: Number of aspherical elements #3020053
       Value: 3
       
   16. Create: Number of low dispersion elements #3020054
       Value: 2
       
   17. Create: Security #3020055
       Value: Dustproof, waterproof
       
   18. Create: Image #6173398
       URL: https://avatars.mds.yandex.net/get-mpic/200316/img_id8354995532205063694/orig
       
   19. Create: Preview image #6173399
       URL: https://avatars.mds.yandex.net/get-mpic/200316/img_id8354995532205063694/orig
       
2. Donny Darko 28 April 2023 22:19:58
   Name: Irix 11mm f/4 Blackstone Pentax KA/KAF/KAF2/KAF3; Catalog: Camera lenses