Feature |
Model 6120i |
Model 6120s |
Model 6120ws(-8) |
|
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 |
|
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 |
|
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 |
|
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 |
|
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) |
|
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 |