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Product comparison · 2 document cameras

Epson DC-20 document camera White 25.4 vs Epson DC-21 document camera White 25.4

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  • 29specifications compared
  • 9differ
  • 20identical
  • 17known for one product only

Key differences

The Epson DC-20 document camera White 25.4 has 16.5 W more power consumption (typical) than the Epson DC-21 document camera White 25.4 (17 W vs 0.5 W). The Epson DC-21 document camera White 25.4 has 1 mm more width than the Epson DC-20 document camera White 25.4 (270 mm vs 269 mm). The Epson DC-21 document camera White 25.4 has 5 mm more depth than the Epson DC-20 document camera White 25.4 (317 mm vs 312 mm). Shooting area (WxD): 297 x 508 mm on the Epson DC-20 document camera White 25.4, 297 x 420 mm on the Epson DC-21 document camera White 25.4. USB connector type: USB Type-A, USB Type-B on the Epson DC-20 document camera White 25.4, USB Type-B on the Epson DC-21 document camera White 25.4.

  • Shooting area (WxD)
    • 297 x 508 mm
    • 297 x 420 mm
  • USB connector type
    • USB Type-A, USB Type-B
    • USB Type-B
  • Power consumption (typical)
    • 17 W
    • 0.5 W
  • Width
    • 269 mm
    • 270 mm
  • Depth
    • 312 mm
    • 317 mm
  • Height
    • 478 mm
    • 447 mm
  • Weight
    • 2.99 kg
    • 2.6 kg
  • Cables included
    • AC, USB, VGA
    • AC, USB

Side by side

Differences highlightedShow differences only
46 specifications
A

Epson

DC-20 document camera White 25.4

Model DC-20

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B

Epson

DC-21 document camera White 25.4

Model DC-21

View product
Camera1 differ
Effective sensor resolution2 MP2 MP
Optical sensor size25.4 / 2.7 mm (1 / 2.7")25.4 / 2.7 mm (1 / 2.7")
Sensor typeCMOSCMOS
Supported graphics resolutionsDiffers1024 x 768 (XGA), 1280 x 800 (WXGA), 1360 x 768 (WXGA), 1920 x 1080 (HD 1080)1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 768 (WXGA), 1280 x 800 (WXGA)
Maximum frame rate30 fps30 fps
White balanceAutoAuto
Light exposure modesAutoAuto
Image freezeKnown for oneYes
Light sourceLEDLED
Lens system1 differ
Auto focusYesYes
Optical zoom12x12x
Digital zoom10x10x
Shooting area (WxD)Differs297 x 508 mm297 x 420 mm
Ports & interfaces1 differ
InterfaceUSB 2.0USB 2.0
USB connector typeDiffersUSB Type-A, USB Type-BUSB Type-B
Ethernet LANKnown for oneNo
VGA (D-Sub) input ports11
VGA (D-Sub) output ports11
Composite video outKnown for one1
USB 2.0 ports quantityKnown for one2
Technical detailsidentical
Product colourWhiteWhite
Cable lock slotYesYes
Cable lock slot typeKensingtonKensington
Built-in microphoneKnown for oneYes
FocusKnown for oneAuto
Image formats supportedKnown for oneJPG
Lamp typeLEDLED
Lamps quantity2 lamp(s)2 lamp(s)
Zoom capabilityKnown for oneAuto
Horizontal rotation angleKnown for one-90 - 90°
Power1 differ
Power supply typeACAC
Power consumption (typical)Differs17 W0.5 W
AC input frequencyKnown for one50 - 60 Hz
AC input voltage100-240 V100-240 V
Power consumptionKnown for one13 mA
System requirementsidentical
Windows operating systems supportedKnown for oneYes
Mac operating systems supportedKnown for oneMac OS X 10.0 Cheetah, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Weight & dimensions4 differ
WidthDiffers269 mm270 mm
DepthDiffers312 mm317 mm
HeightDiffers478 mm447 mm
WeightDiffers2.99 kg2.6 kg
Dimensions folded (WxDxH)Known for one366 x 122 x 119 mm
Packaging content1 differ
Cables includedDiffersAC, USB, VGAAC, USB
ManualKnown for oneYes
User guideKnown for oneYes
Operational conditionsidentical
Operating temperature (T-T)Known for one5 - 35 °C

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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