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Product comparison · 2 document cameras

Epson DC-21 document camera White 25.4 vs SMART Technologies SMART 650

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  • 26specifications compared
  • 15differ
  • 11identical
  • 41known for one product only

Key differences

The SMART Technologies SMART 650 has 11 MP more effective sensor resolution than the Epson DC-21 document camera White 25.4 (13 MP vs 2 MP). The Epson DC-21 document camera White 25.4 has 2 x more optical zoom than the SMART Technologies SMART 650 (12x vs 10x). The SMART Technologies SMART 650 has 13 x more digital zoom than the Epson DC-21 document camera White 25.4 (23x vs 10x). Optical sensor size: 25.4 / 2.7 mm (1 / 2.7") on the Epson DC-21 document camera White 25.4, 25.4 / 3.2 mm (1 / 3.2") on the SMART Technologies SMART 650. White balance: Auto on the Epson DC-21 document camera White 25.4, Auto, Manual on the SMART Technologies SMART 650.

  • Effective sensor resolution
    • 2 MP
    • 13 MP
  • Optical sensor size
    • 25.4 / 2.7 mm (1 / 2.7")
    • 25.4 / 3.2 mm (1 / 3.2")
  • White balance
    • Auto
    • Auto, Manual
  • Light exposure modes
    • Auto
    • Auto, Manual
  • Optical zoom
    • 12x
    • 10x
  • Digital zoom
    • 10x
    • 23x
  • Shooting area (WxD)
    • 297 x 420 mm
    • 480 x 345 mm
  • Interface
    • USB 2.0
    • USB/Wi-Fi

Side by side

Differences highlightedShow differences only
67 specifications
A

Epson

DC-21 document camera White 25.4

Model DC-21

View product
B

SMART Technologies

SMART 650View product
Camera5 differ
Effective sensor resolutionDiffers2 MP13 MP
Optical sensor sizeDiffers25.4 / 2.7 mm (1 / 2.7")25.4 / 3.2 mm (1 / 3.2")
Supported graphics resolutionsDiffers1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 768 (WXGA), 1280 x 800 (WXGA)320 x 180, 320 x 240, 640 x 360, 640 x 480 (VGA), 1024 x 768 (XGA), 1280 x 1024 (SXGA), 1280 x 720 (HD 720), 1280 x 800 (WXGA), 1280 x 960, 1600 x 1200 (UXGA), 1920 x 1080 (HD 1080), 2048 x 1536 (QXGA), 2560 x 1920, 3840 x 2160
HD typeKnown for one4K Ultra HD
Maximum video resolutionKnown for one1920 x 1080 pixels
Video recordingKnown for oneYes
White balanceDiffersAutoAuto, Manual
Light exposure modesDiffersAutoAuto, Manual
Lens system3 differ
Optical zoomDiffers12x10x
Digital zoomDiffers10x23x
Shooting area (WxD)Differs297 x 420 mm480 x 345 mm
Ports & interfaces2 differ
InterfaceDiffersUSB 2.0USB/Wi-Fi
HDMI input ports quantityKnown for one1
USB connector typeDiffersUSB Type-BMini-USB B, USB Type-A
DC-in jackKnown for oneYes
USB 2.0 ports quantityKnown for one3
Wi-Fi standardsKnown for one802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Ethernet LANKnown for oneNo
VGA (D-Sub) input portsKnown for one1
VGA (D-Sub) output portsKnown for one1
Technical details1 differ
Product colourDiffersWhiteBlack
Control typeKnown for oneButtons
Horizontal rotation angleKnown for one0 - 90°
Panel mounting interfaceKnown for one75 x 75 mm
Image quality adjustmentKnown for oneBrightness, Contrast
Photo effectsKnown for oneBlack&White, Negative film
CertificationKnown for oneFCC, ISED,CONEG Packaging, Proposition 65, CE, UKCA, LVD,CB, EMCD,RED, REACH,RoHS,Battery,WEEE, Packaging,POP, EAC
Cable lock slotKnown for oneYes
Cable lock slot typeKnown for oneKensington
FocusKnown for oneAuto
Image formats supportedKnown for oneJPG
Lamp typeKnown for oneLED
Lamps quantityKnown for one2 lamp(s)
Zoom capabilityKnown for oneAuto
Power1 differ
Power consumption (typical)Differs0.5 W13.7 W
Operating currentKnown for one3 A
Operating voltageKnown for one5 V
Battery typeKnown for oneBuilt-in battery
Power consumptionKnown for one13 mA
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 35 °C
Storage temperature (T-T)Known for one-20 - 60 °C
Operating relative humidity (H-H)Known for one30 - 85%
Weight & dimensions3 differ
WidthDiffers270 mm159 mm
DepthDiffers317 mm587 mm
HeightDiffers447 mm546 mm
Dimensions folded (WxDxH)Known for one159 x 364 x 76 mm
Packaging dataidentical
Package widthKnown for one455 mm
Package depthKnown for one175 mm
Package heightKnown for one270 mm
Package weightKnown for one3.7 kg
Packaging contentidentical
AC adapter includedKnown for oneYes
Remote control includedKnown for oneYes
Remote control batteries includedKnown for oneYes
Cables includedKnown for oneAC, USB
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

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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