Feature | Model 6120i | Model 6120s | Model 6120ws(-8) |
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CCD Image Sensor | Sony ICX834 |
Electronic Shutter | 100μsec to 240 minutes | 100μsec to 240 minutes | 100μsec to 240 minutes |
Mechanical Shutter | No | Yes | Yes |
Internal Color Filter Wheel | No | No | ws – 5-Position CFW ws-8 – 8-position CFW Holds 1.25″ or opt. 31mm filters |
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Camera Body Configuration | Slim Enclosure | | Medium Enclosure | | Full Enclosure | |
Dimensions | W4.45” x H4.45” x D1.68” (add 0.225″ for T-Mount) | W4.45” x H4.45” x D2.00” (add 0.225″ for T-Mount) | 5-pos, W4.45” x H4.45” x D2.50” 8-pos, W5.86” x H5.56” x D2.50” (add 0.225″ for T-Mount) |
Weight, without Nosepiece | 26 oz. / 740g | 34 oz. / 950g | 5-pos, 40 oz. / 1130g 8-pos, 51 oz. / 1450g |
Optical Back Focus (w/o Filters in path) | 0.58″ w/ T-mount adapter 0.68″ w/ C-mount adapter 0.35″ w/ no adapter | 0.90″ w/ T-mount adapter 0.68″ w/ C-mount adapter 0.68″ w/ no adapter | 1.40″ w/ T-mount adapter 1.18″ w/ C-mount adapter 1.18″ w/ no adapter |
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Thermoelectric CCD Cooling | Temperature regulation +/- 0.1°C, @ 0°C to -40°C CCD temperature |
In free air, Fans @ Full Speed | Typically 40°C below ambient air with 85% cooling power |
With Opt Liquid Cooling – Fans Off | Typically 45°C below circulating liquid with 85% cooling power (adds 0.75″ to camera depth) |
Cooling Fan Control | Intelligent, user configurable |
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Read Rate | User Selectable High Quality mode at 800KHz, High Speed mode at 8MHz |
Camera Gain | User Selectable High Gain 0.13 e-/ADU (default), Low Gain 0.28 e-/ADU |
Digital Resolution | 16 bits (both High Quality and High Speed mode) |
Total System Read Noise | <4 electrons RMS (typically <3.5 e- RMS, CCD specification limited) in High Quality mode Typically <7 electrons RMS (CCD specification limited) in High Speed mode |
Pixel Dark Current | <0.002 electrons per second at -10°C |
Full Image Read and Download Time | Typically <16 second (host computer dependent) in High Quality Mode (800KHz) Typically <2 second (host computer dependent) in High Speed Mode (8MHz) Image download times will be reduced with binning and/or subframe (ROI) |
Binning Modes | Symmetrical and Asymmetrical binning up to 9 pixels horizonally or vertically |
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Status and Notification | User configurable multi-color LED status indicator and multifunction audible beeper. Over-temperature and high/low voltage alarms. |
Power Consumption | 12v, 2A (24 watts) at max cooling, max fans and filter moving (25 AC watts max with included 90-240V AC power supply) |
Operating Environment | Temperature: -20°C to 30°C, Humidity: 10% to 90% non-condensing |
Computer Connectivity | USB 2.0 High Speed (USB 1.1 compatible) |
Other Ports | Optically isolated 4 channel control port for telescope guiding or input/output shutter trigger (See API Reference Manual for details) |
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T Mounting Adapter | Standard – T-Thread, 42mm x .75mm pitch |
C Mounting Adapter (1″ x 32TPI) (Not recommeded for 540i) | Optional, C-Mount (Type I) lens focus compatible (17.5mm backfocus) | Optional, C-Mount (Type II) lens focus compatible (17.5mm backfocus) | Optional, for non-lens adapters and accessories (standard C-Mount lens does not reach focus at infinity) |
Nosepiece | Standard, T-Adapter to 2″ nosepiece Optional, T-Adapter to 1.25″ nosepiece |