Change history for item: Optoma 4K550

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1. Donny Darko 25 September 2023 05:18:10
   1. Create: Width #594232
      Value: 392
      
   2. Create: Height #594233
      Value: 129
      
   3. Create: Description #23843637
      Value: Purpose: for a concert hall, projector resolution: 3840x2160, max. diagonal image size: 7-9 m, luminous flux: 4000-7000 lm, contrast: 5000:1-10000:1, technology: DLP, connectors and interfaces: Ethernet, RS-232, USB Type-A x 2, input HDMI x 2
      
   4. Create: Brand #23843638
      Value: Optoma
      
   5. Create: Type #23843639
      Value: Stationary
      
   6. Create: Technology #23843640
      Value: DLP
      
   7. Create: Purpose #23843641
      Value: For concert hall
      
   8. Create: Projector resolution #23843642
      Value: 3840x2160
      
   9. Create: Image aspect ratio #23843643
      Value: 16:9
      
   10. Create: Number of LCD/DMD panels #23843644
       Value: 1
       
   11. Create: Image functions and options #23843645
       Value: 3D, HDR, keystone correction
       
   12. Create: Peculiarities #23843646
       Value: Speakers
       
   13. Create: Lamp life #23843647
       Value: 3000 h
       
   14. Create: Lamp life in eco mode #23843648
       Value: 5000 h
       
   15. Create: Number of lamps #23843649
       Value: 1
       
   16. Create: Power of each lamp #23843650
       Value: 330 W
       
   17. Create: Min. projection distance #23843651
       Value: 1.3 m
       
   18. Create: Max. projection distance #23843652
       Value: 9.3 m
       
   19. Create: Min. diagonal size #23843653
       Value: 0.67 m
       
   20. Create: Max. diagonal size #23843654
       Value: 7.68 m
       
   21. Create: Min. ratio of distance to image size #23843655
       Value: 1.39
       
   22. Create: Max. ratio of distance to image size #23843656
       Value: 2.22
       
   23. Create: Min. horizontal frequency #23843657
       Value: 31 kHz
       
   24. Create: Max. line frequency #23843658
       Value: 135 kHz
       
   25. Create: Min. vertical frequency #23843659
       Value: 24 Hz
       
   26. Create: Max. frame frequency #23843660
       Value: 120 Hz
       
   27. Create: Zoom optical #23843661
       Value: 1.6
       
   28. Create: Focal length min. #23843662
       Value: 20.91 mm
       
   29. Create: Focal length max. #23843663
       Value: 32.62 mm
       
   30. Create: Contrast #23843664
       Value: 10000:1
       
   31. Create: Light flow #23843665
       Value: 5000 lm
       
   32. Create: Luminous flux in economy mode #23843666
       Value: 3000 lm
       
   33. Create: Lens shift #23843667
       Value: Vertically
       
   34. Create: Connectors and interfaces #23843668
       Value: Ethernet, RS-232, USB Type-A x 2, HDMI input x 2, VGA input, mini jack 3.5 mm audio input
       
   35. Create: HDR formats #23843669
       Value: HDR10
       
   36. Create: Number of built-in speakers #23843670
       Value: 2
       
   37. Create: Power per speaker #23843671
       Value: 5 W
       
   38. Create: Noise level #23843672
       Value: 32 dB
       
   39. Create: Depth #23843673
       Value: 281 mm
       
   40. Create: Weight #23843674
       Value: 5.8 kg
       
   41. Create: Additional Information #23843675
       Value: MHL support, interfaces 1 x USB-A power 1.5A, 1 x USB-A service
       
   42. Create: Image #20916163
       URL: https://avatars.mds.yandex.net/get-mpic/4410238/img_id2785884924532360561.jpeg/orig
       
   43. Create: Image #20916164
       URL: https://avatars.mds.yandex.net/get-mpic/4055688/img_id3058098322164378604.jpeg/orig
       
   44. Create: Image #20916165
       URL: https://avatars.mds.yandex.net/get-mpic/1571888/img_id6677709768752918189.jpeg/orig
       
   45. Create: Image #20916166
       URL: https://avatars.mds.yandex.net/get-mpic/4120567/img_id9177910855075862827.jpeg/orig
       
   46. Create: Image #20916167
       URL: https://avatars.mds.yandex.net/get-mpic/5363183/img_id4566631106577964993.jpeg/orig
       
   47. Create: Image #20916168
       URL: https://avatars.mds.yandex.net/get-mpic/4449143/img_id8273417062074779150.jpeg/orig
       
   48. Create: Image #20916169
       URL: https://avatars.mds.yandex.net/get-mpic/4387007/img_id7866050428629531613.jpeg/orig
       
   49. Create: Image #20916170
       URL: https://avatars.mds.yandex.net/get-mpic/4412310/img_id2071202433557059340.jpeg/orig
       
   50. Create: Image #20916171
       URL: https://avatars.mds.yandex.net/get-mpic/4776349/img_id2238208108872762782.jpeg/orig
       
   51. Create: Image #20916172
       URL: https://avatars.mds.yandex.net/get-mpic/4383514/img_id9160653474377558035.jpeg/orig
       
   52. Create: Image #20916173
       URL: https://avatars.mds.yandex.net/get-mpic/5236304/img_id5200901093778924910.jpeg/orig
       
   53. Create: Preview image #20916174
       URL: https://avatars.mds.yandex.net/get-mpic/4410238/img_id2785884924532360561.jpeg/orig
       
2. Donny Darko 27 April 2023 23:18:46
   Name: Optoma 4K550; Catalog: Multimedia projectors