The SBIG STF-8050 camera comes in monochrome (STF-8050M) and two color models. The color models are available with either the standard Bayer Color FIlter Pattern (STF-8050C) or the higher sensitivity TRUESENSE Sparse Color Filter Pattern (STF-8050SC). The KAI-08050 Image Sensor is an 8-megapixel CCD in a 4/3″ (22 mm diagonal) optical format. Based on the TRUESENSE 5.5 micron Interline Transfer CCD Platform, the sensor features broad dynamic range, excellent imaging performance, and a flexible readout architecture. The TRUESENSE Sparse Color Filter Pattern provides a 2x improvement in light sensitivity compared to a standard color Bayer part.
In addition to the new color technology, the STF-8050 has been optimized for fast full frame download and maximum cooling in an STF sized package. A high resolution 8.3 megapixel 16-bit frame will download in about 1/2 second using the dual channel readout mode. Even at this rapid download rate, the read noise remains exceptionally low, about 9e-. The tables below show download times and frame rates for the STF-8050 camera measured using our high speed drivers:
- STF-8050 Download time in seconds for single frame
|
Full Frame |
Half Frame |
Qtr Frame |
Planet |
Focus |
High Res |
0.59 |
0.41 |
0.27 |
0.06 |
4.3 fps |
Med Res |
0.48 |
0.28 |
0.16 |
0.06 |
|
Low Res |
0.34 |
0.2 |
0.13 |
0.05 |
|
Ultra Low |
0.16 |
0.11 |
0.08 |
|
|
- STF-8050 Frames per second saved to disk using high speed drivers
Full Frame |
Half Frame |
Qtr Frame |
Planet |
Focus |
|
High Res |
2 |
3.4 |
5.3 |
4.3 |
4.3 |
Med Res |
3.4 |
5.3 |
7.5 |
||
Low Res |
4.5 |
6.6 |
8.6 |
||
Ultra Low |
8.1 |
9.5 |
10 |
To reduce the necessity for dark frames, the STF-8050 is designed with exceptionally strong cooling, capable of a cooling delta greater than -50 degrees C. This means that the camera at room temperature can cool enough to reduce the dark current to 1/100th of an electron per pixel per second, or less.
-
Features
- Large, High Resolution 8.1 Megapixel CCD with 5.5 micron pixels
- Fast, Dual Channel Read Out
- Sparse color (Monochrome and Bayer Color no longer available)
- Full Frame, High Res, Low Noise, 16-bit download in 0.5 seconds.
- Electronic shutter for fast exposure times (0.001 sec to 3600 sec.)
- STX/STXL style pin-fin heat sink and 70mm fan
- Exceptional cooling delta greater than -50°C with air only
- Sapphire Chamber Window
- Very Low Read noise ~ 9e-
- Very Low Dark Current ~ 0.01e- at -20C
- Antiblooming Protection
- Works with STF 8-Position Filter Wheels and StarChaser SC-2
- Accepts Nikon and Canon EOS lens adapters
-
Specifications
Power Cable
US, European
Imaging Sensor
KAI-08050
OS Compatibility
Windows 32-bit and 64-bit
A/D Converter
16 bit
Adaptive Optics Option
AO-8A with StarChaser SC-2
Antiblooming
y
Sensor Size
15.2 mm x 15.2 mm
Computer Interface
USB2
Cooling Delta
50 °C
Dark Current e-/p/s
0.02 e-/p/s
Exposure
0.001-3600 sec
Filter Size
36mm / 1.25″
Filter Wheel Option
y
Full Frame Download
0.5 sec
Full Well Capacity
20,000 e-
Imaging / Pixel Array
3296 x 2472
OAG Option
StarChaser SC-2
Peak QE
51%
Pixel Digitization Rate
10/20 MHz
Pixel Size
5.5 um
Power
12 Volt
Read Noise (typ)
9 e- typical
Temperature Regulation
y
Weight
2.15 lbs
SBIG STF Series
STF SERIES |
DESCRIPTION |
STF-4070-C |
STF-4070C Color (Bayer) Camera |
STF-4070-SC |
STF-4070SC Color (Truesense Sparse Color) |
STF-8050-SC |
STF-8050SC Color (Truesense Sparse Color) |