you're probably limited by what's available, not sure there are other options
what opinion have you of this camera ?
ELP Webcam de HD for Laptop PC (5Mp,Aptina Cmos Sensor,USB2.0, 2592x1944 @ 15fps MJPEG,Fisheye Lens)
Description:
5Megapixel 2592X1944 resolution
Sensor 1/2.5 inch Aptina MI5100 CMOS Sensor
5.0megapixel, Max. 2592(H)x1944(V)pixels
Picture format MJPEG or YUY2 optional/USB Protocal USB2.0 HS/FS
Auto exposure AEC Support/Auto white blance AEB Support
Effective Pixels:
2592 (H) x 1944 (V) pixels/2048 (H) x 1536 (V) pixels/1600 (H) x 1200 (V) pixels/1920 (H) x 1080 (V) pixels
1280 (H) x 1024(V) pixels/1280 (H) x 720 (V) pixels/1024 (H) x 768 (V) pixels/800 (H) x 600 (V) pixels/640 (H) x 480 (V) pixels (Other special size resolution is customized)
Signal Output: Serial data for USB standard compliant 2.0
Performance:
2592x1944 @ 15fps MJPEG / 2048x1536 @ 15fps MJPEG 1600x1200 @ 15fps MJPEG / 1280x1024 @ 15fps MJPEG 1920x1080 @ 30fps MJPEG / 1280x720 @ 30fps MJPEG 800x600 @ 30fps MJPEG / 640x480 @ 30fps MJPEG
Adjustable parameters Brightness/Contrast/Color saturation /Definition/Gamma/WB Night vision optional, can choose IR board 5V power voltage DC 5V/current 150mA/
work temperature DEGREES(-20~70) Size 38X38mm, 32x32mm
Support OS "WinXP/Vista/WIN7/WIN8/Linux with UVC/Mac-OS X 10.4.8 or later/Wince with UVC/Android 4.0 or above"
Thanks