Change history for item: Optoma 4K550ST

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1. Donny Darko 25 September 2023 05:21:03
   1. Create: Width #594332
      Value: 392
      
   2. Create: Height #594333
      Value: 129
      
   3. Create: Description #23845417
      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 #23845418
      Value: Optoma
      
   5. Create: Type #23845419
      Value: Stationary
      
   6. Create: Technology #23845420
      Value: DLP
      
   7. Create: Purpose #23845421
      Value: For concert hall
      
   8. Create: Projector resolution #23845422
      Value: 3840x2160
      
   9. Create: Image aspect ratio #23845423
      Value: 16:9
      
   10. Create: Number of LCD/DMD panels #23845424
       Value: 1
       
   11. Create: Image functions and options #23845425
       Value: 3D, HDR, keystone correction, ultra short throw
       
   12. Create: Peculiarities #23845426
       Value: Speakers
       
   13. Create: Lamp life #23845427
       Value: 3000 h
       
   14. Create: Lamp life in eco mode #23845428
       Value: 5000 h
       
   15. Create: Number of lamps #23845429
       Value: 1
       
   16. Create: Power of each lamp #23845430
       Value: 330 W
       
   17. Create: Min. projection distance #23845431
       Value: 0.49 m
       
   18. Create: Max. projection distance #23845432
       Value: 5.2 m
       
   19. Create: Min. diagonal size #23845433
       Value: 0.74 m
       
   20. Create: Max. diagonal size #23845434
       Value: 7.63 m
       
   21. Create: Min. ratio of distance to image size #23845435
       Value: 0.78
       
   22. Create: Max. ratio of distance to image size #23845436
       Value: 0.78
       
   23. Create: Min. horizontal frequency #23845437
       Value: 31 kHz
       
   24. Create: Max. line frequency #23845438
       Value: 135 kHz
       
   25. Create: Min. vertical frequency #23845439
       Value: 24 Hz
       
   26. Create: Max. frame frequency #23845440
       Value: 120 Hz
       
   27. Create: Aperture number F, min #23845441
       Value: 2.5
       
   28. Create: F-number F, max #23845442
       Value: 2.5
       
   29. Create: Focal length min. #23845443
       Value: 11.66 mm
       
   30. Create: Focal length max. #23845444
       Value: 11.66 mm
       
   31. Create: Contrast #23845445
       Value: 10000:1
       
   32. Create: Light flow #23845446
       Value: 4500 lm
       
   33. Create: Lens shift #23845447
       Value: Vertically
       
   34. Create: Connectors and interfaces #23845448
       Value: Ethernet, RS-232, USB Type-A x 2, HDMI input x 2, VGA input, mini jack 3.5 mm audio input
       
   35. Create: HDMI Version #23845449
       Value: 2.0
       
   36. Create: HDR formats #23845450
       Value: HDR10
       
   37. Create: Number of color wheel segments #23845451
       Value: 6
       
   38. Create: Number of built-in speakers #23845452
       Value: 2
       
   39. Create: Power per speaker #23845453
       Value: 5 W
       
   40. Create: Noise level #23845454
       Value: 32 dB
       
   41. Create: Depth #23845455
       Value: 281 mm
       
   42. Create: Weight #23845456
       Value: 5.9 kg
       
   43. Create: Additional Information #23845457
       Value: MHL support, interface 1 x USB-A power 1.5A
       
   44. Create: Image #20916601
       URL: https://avatars.mds.yandex.net/get-mpic/4055688/img_id4385424925328641895.jpeg/orig
       
   45. Create: Image #20916602
       URL: https://avatars.mds.yandex.net/get-mpic/4120567/img_id8609598380531002885.jpeg/orig
       
   46. Create: Image #20916603
       URL: https://avatars.mds.yandex.net/get-mpic/4409630/img_id2375284669415733414.jpeg/orig
       
   47. Create: Image #20916604
       URL: https://avatars.mds.yandex.net/get-mpic/4944925/img_id7124445718832025094.jpeg/orig
       
   48. Create: Image #20916605
       URL: https://avatars.mds.yandex.net/get-mpic/3927509/img_id1914259497346063003.jpeg/orig
       
   49. Create: Image #20916606
       URL: https://avatars.mds.yandex.net/get-mpic/7650126/img_id5748896824213615197.jpeg/orig
       
   50. Create: Image #20916607
       URL: https://avatars.mds.yandex.net/get-mpic/5138384/img_id5217545947498563198.jpeg/orig
       
   51. Create: Image #20916608
       URL: https://avatars.mds.yandex.net/get-mpic/7979706/img_id4601658271452198374.jpeg/orig
       
   52. Create: Image #20916609
       URL: https://avatars.mds.yandex.net/get-mpic/1101307/img_id8374701247571395812.jpeg/orig
       
   53. Create: Image #20916610
       URL: https://avatars.mds.yandex.net/get-mpic/4341821/img_id9210366267729392511.jpeg/orig
       
   54. Create: Preview image #20916611
       URL: https://avatars.mds.yandex.net/get-mpic/4055688/img_id4385424925328641895.jpeg/orig
       
2. Donny Darko 27 April 2023 23:18:55
   Name: Optoma 4K550ST; Catalog: Multimedia projectors