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Product comparison · 2 document cameras

AVer Vision U50 vs Epson DC-21 document camera White 25.4

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  • 24specifications compared
  • 16differ
  • 8identical
  • 31known for one product only

Key differences

The AVer Vision U50 has 3 MP more effective sensor resolution than the Epson DC-21 document camera White 25.4 (5 MP vs 2 MP). The Epson DC-21 document camera White 25.4 has 2 x more digital zoom than the AVer Vision U50 (10x vs 8x). The AVer Vision U50 has 72 mm more width than the Epson DC-21 document camera White 25.4 (342 mm vs 270 mm). Optical sensor size: 25.4 / 4 mm (1 / 4") on the AVer Vision U50, 25.4 / 2.7 mm (1 / 2.7") on the Epson DC-21 document camera White 25.4. White balance: Auto, Manual on the AVer Vision U50, Auto on the Epson DC-21 document camera White 25.4.

  • Effective sensor resolution
    • 5 MP
    • 2 MP
  • Optical sensor size
    • 25.4 / 4 mm (1 / 4")
    • 25.4 / 2.7 mm (1 / 2.7")
  • White balance
    • Auto, Manual
    • Auto
  • Light exposure modes
    • Auto, Manual
    • Auto
  • Digital zoom
    • 8x
    • 10x
  • USB connector type
    • Mini-USB
    • USB Type-B
  • Product colour
    • Black
    • White
  • Lamps quantity
    • 1 lamp(s)
    • 2 lamp(s)

Side by side

Differences highlightedShow differences only
55 specifications
A

AVer

Vision U50View product
B

Epson

DC-21 document camera White 25.4

Model DC-21

View product
Camera5 differ
Effective sensor resolutionDiffers5 MP2 MP
Optical sensor sizeDiffers25.4 / 4 mm (1 / 4")25.4 / 2.7 mm (1 / 2.7")
Supported graphics resolutionsDiffers2592 x 19441024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 768 (WXGA), 1280 x 800 (WXGA)
White balanceDiffersAuto, ManualAuto
Light exposure modesDiffersAuto, ManualAuto
Lens system1 differ
Optical zoomKnown for one12x
Digital zoomDiffers8x10x
Shooting area (WxD)Known for one297 x 420 mm
Ports & interfaces1 differ
USB connector typeDiffersMini-USBUSB Type-B
Ethernet LANKnown for oneNo
VGA (D-Sub) input portsKnown for one1
VGA (D-Sub) output portsKnown for one1
Technical details2 differ
Product colourDiffersBlackWhite
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
FocusKnown for oneAuto
Image formats supportedKnown for oneJPG
Lamps quantityDiffers1 lamp(s)2 lamp(s)
Zoom capabilityKnown for oneAuto
Document size (max)Known for oneA3
Horizontal rotation angleKnown for one0 - 270°
Country of originKnown for oneChina
Photo effectsKnown for oneBlack&White, Negative film
Power1 differ
Power supply typeDiffersUSBAC
Power consumption (typical)Known for one0.5 W
AC input frequencyKnown for one50 - 60 Hz
AC input voltageKnown for one100-240 V
Power consumptionKnown for one13 mA
USB poweredKnown for oneYes
System requirements2 differ
Windows operating systems supportedDiffersWindows 7, Windows 8Yes
Mac operating systems supportedDiffersMac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 MavericksMac OS X 10.0 Cheetah, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Mac compatibilityKnown for oneYes
Weight & dimensions4 differ
WidthDiffers342 mm270 mm
DepthDiffers235 mm317 mm
HeightDiffers114 mm447 mm
WeightDiffers7.39 kg2.6 kg
Dimensions folded (WxDxH)Known for one259 x 163 x 39 mm
Packaging contentidentical
Cables includedKnown for oneAC, USB
ManualKnown for oneYes
User guideKnown for oneYes
Packaging dataidentical
Quantity per packKnown for one1 pc(s)
Package widthKnown for one367 mm
Package depthKnown for one270 mm
Package heightKnown for one449 mm
Package weightKnown for one8.69 kg
Logistics dataidentical
Products per master (outer) caseKnown for one4 pc(s)
Products per palletKnown for one168 pc(s)

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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