http://www.sbig.com/ST-10XME-C2.html
雖然才三百二十萬像素而已
但是QE值很高
沒有抑制bloom的機制
打算用來拍超新星或小行星

QE圖
1.8300

http://www.sbig.com/ST-8300M.html
KAF-8300M
CCD Size   17.96 x 13.52 mm
Total Pixels   8.3 million
Pixel Size   5.4 x 5.4 microns square
Full Well Capacity   ~25,500 e-
Dark Current   ~0.02e-/pixel/sec at -15C.  
Antiblooming   1000X

2.st7

http://www.sbig.com/ST-7MXEI-C2.html
Kodak KAF-0402ME
CCD Size   6.9 x 4.6 mm
Total Pixels   390,000
Pixel Size   9 x 9 microns square
Full Well Capacity   ~100,000 e-
Dark Current   1e-/pixel/sec at 0 degrees C.
Antiblooming   Optional (KAF_0402LE)

3.st10

 http://www.sbig.com/ST-10XME-C2.html
KAF-3200ME
CCD Size   14.9 x 10 mm
Total Pixels   3.2 million
Pixel Size   6.8 x 6.8 microns square
Full Well Capacity   ~77,000 e-
Dark Current   0.5e-/pixel/sec at 0 degrees C.
Antiblooming   n/a

關於CCD一些參數的介紹
http://www.360doc.com/content/10/1102/09/1794115_65885245.shtml

ST10XM不錯的選擇