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STH-MDCS-VARX

The STH-MDCS-VARX holds two megapixel cameras on a wide variable baseline rig for large-baseline applications requiring high resolution: Low-noise, high-sensitivity CMOS imager. Color or monochrome.  Uncompressed video at megapixel resolution (7.5 fps) or at VGA resolution (30 fps). Full synchronization of the cameras. Simple IEEE 1394 FireWire interface. Variable baseline from 18 to 60 cm. Extremely rigid aluminum alloy bracket.  Includes C/CS-mount lenses and SRI Small Vision System software for real-time stereo analysis. Offering high performance and low power with megapixel resolution in a flexible package.

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Features

  • Color and monochrome versions
  • Maximum resolution: 1280H x 960V pixels
  • Variable baseline: 18 - 60 cm (7.1 - 23.6 in)
  • Dual-cable FireWire interface for power, data, and control
  • Accepts standard C/CS-mount lenses
  • Direct digital information from the imagers, bypasses analog noise and frame grabber jitter
  • Conforms to Digital Camera Specification version 1.30
  • External synchronization: all MDCS devices on the same IEEE 1394 bus are synchronized to capture images at the same time
  • Subsampling modes (decimation) for smaller frame sizes, faster frame rates, lower noise
  • Electronic gain and exposure
  • All modes fully under user control via the IEEE 1394 bus
  • Milled solid aluminum alloy body for extreme rigidity on each camera, milled aluminum bars for rigid camera mounting.
  • Seamless interface to SVS™ stereo analysis software

Camera Kit

  • STH-MDCS3-VARX stereo head, color or monochrome
  • 60 cm variable baseline rig
  • 4.5 mm C-mount locking lenses standard; other lenses available as options
  • Small Vision System stereo analysis software (one license for either MS Windows 2000/XP/ Vista* or Linux 2.4/2.6)
  • Two 2 meter IEEE 1394 6-pin to 6-pin cables
  • Hardware and Software Manuals (download)

Requirements

  • Pentium-compatible PC (Pentium MMX, AMD K6-2 or better) running MS Windows 2000 / XP / Vista* or Linux 2.4 / 2.6 kernel
  • IEEE 1394 PCI or PCMCIA card with 2 free ports.  IEEE 1394 card must supply 2W of power through the 6-pin cable.  Most PCI cards do this; PCMCIA cards must have a separate transformer power input.  Interface cards are available from Videre Design, see Accessories

* Vista compatible for all cameras sold after 12/01/08.

Technical Specifications

Feature Description
Imagers ½” format CMOS
1280 x 960 active area
Progressive scan
Color or monochrome
Digital Camera Specification Version 1.30
Formats 1280 x 960, 640 x 480
Center zoom mode
8 bit monochrome or Bayer color pattern
Frame Rates 3.75, 7.5, 15, 30 Hz
Max 7.5 Hz at 1280 x 960
Exposure 1 line time to full frame; rolling integration
Gain 0 - 18 dB
Sensitivity 2.1 V/lux-sec
S/N >> 45 dB, no gain
Power < 2 W
Synchronization External: 60 us
Lens 4.5 mm F 1.4 C-mount, locking lenses included
3.5 mm and 6.0 mm lenses optional
Size 3.8 cm high x 3.8 cm deep x 66 cm long
(1.5 in high x 1.5 in deep x 26 in long) excluding lenses
Dimensional Drawings
Stereo Baseline 18 - 60 cm, 7 cm steps (7.1 - 23.6 in, 2.8 inch steps)
Weight 1020 g (2 lb 4 oz) without lenses
1220 g (2 lb 11 oz) with 4.5 mm lenses
SVS™ software Linux kernel 2.4/2.6
MSW 2000, XP, Vista*

* Vista compatible for all new cameras after 12/01/08. Not compatible with earlier cameras.
Environment 0 - 40° C (32 - 104° F), < 90% humidity (non-condensing)

Download STH-MDCS-VARX Data Sheet (PDF)

STH-MDCS-VARX Models

Part Number Description
STH-MDCS-VARX-C-C/CS 18-60 cm baseline, color, 1280 x 960, C/CS lenses STH-MDCS Kit
STH-MDCS-VARX-M-C/CS 18-60 cm baseline, monochrome, 1280 x 960, C/CS lenses STH-MDCS Kit

STH-MDCS-VARX Accessories

Videre Design offers a selection of lenses, cables, interface cards, and additional software licenses to meet your application needs.  

Part Number Description Product Compatibility
LENS-CL-3.5-1/2
Data Sheet 		3.5 mm, ½” format, high resolution fixed lens, F 1.4, C-mount with locking screws, 103° HFOV x 76° VFOV All
LENS-CL-4.5-1/2
Data Sheet 		4.5 mm, ½” format, high resolution fixed lens, F 1.4, C-mount with locking screws, 79° HFOV x 59° VFOV All
LENS-CL-6.0-1/2
Data Sheet 		6.0 mm, ½” format, high resolution fixed lens, F 1.4, C-mount with locking screws, 57° HFOV x 44° VFOV All
LENS-CL-12.0-1/2
Data Sheet 		12.0 mm, ½” format, high resolution fixed lens, F 1.4, C-mount with locking screws, 30° HFOV x 23° VFOV All
LENS-CL-4.5-12.5
Data Sheet 		4.5-12.5 mm: ½” format, variable focal length, F 1.2, manual iris and manual focus, CS-mount, 81° ~ 30° HFOV x 60° ~ 22° VFOV All
1394-PCI 3-Ports FireWire IEEE 1394a PCI Controller Card All
1394-CARDBUS-110 3-Ports FireWire IEEE 1394a PCMCIA Cardbus with 110v transformer All
1394-CARDBUS-220 3-Ports FireWire IEEE 1394a PCMCIA Cardbus with 220v transformer All
ADAPTER-110 110v Transformer: 9 VDC / 110 VAC 500ma P-5 All
ADAPTER-220 220v Transformer: 6W 12V 0.5A MULTI PLUG, 12VDC, 500mA, Positive Center, 2.5mm I.D. x 5.5mm O.D. x 9.5mm Female, 100 ~ 240VAC, Power output 6W All
1394-CABLE-2.0 1394 FireWire 6 pin to 6 pin 2 meter cable All
1394-CABLE-4.5 1394 FireWire 6 pin to 6 pin 4.5 meter cable All
1394-CABLE-10.0 1394 FireWire 6 pin to 6 pin 10 meter cable All
SVS-MSW Additional license for SRI Small Vision System software – MSW version All
SVS-LINUX Additional license for SRI Small Vision System software – Linux version All

STH-MDCS-VARX Case Studies

Universidade de Brasília's robot with STH-MDCS-VARX stereo camera
Docker: STH-MDCS-VARX Camera Application
Visual Servoing for Docking of Mobile Robots Equipped with Two Cameras
At the Universidade de Brasília, researchers investigate stochastic approaches to visual servoing using a STH-MDCS-VARX on a mobile robot docking in front of a door...more
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