Alta® F230 Specifications   Printer friendly PDF Alta F230 Specifications The F230 represents the next step in the evolution of the Alta line of cameras with faster readout speeds. The Alta F230 uses a very large format 4-megapixel back-illuminated sensor, ideal for applications requiring large field of view, such as sky surveys and radiology. All Alta systems are backed by a 2 year warranty on the camera and lifetime warranty on the CCD chamber integrity. 1 to 4 MHz 16-Bit digitization 32 MByte camera memory Field upgradeable firmware Subarray readout and fast sequencing modes 32/64 bit ActiveX drivers included with every system Programmable cooling to 45°C below ambient General purpose programmable I/O port Adjustable fan speed for low/zero vibration Programmable status indicators AR coated silica windows RBI pre-flash available Moisture free chambers Liquid cooling option Precision locking filter wheels optional MaxIm DL/CCD and CCDSoft software packages are offered at special prices when purchased at the same time as a camera system. CCD Specifications CCD E2V CCD230-42 Array Size (pixels) 2048 x 2048 Pixel Size 15 x 15 microns Imaging Area 30.7 x 30.7mm (944mm2) Imaging Diagonal 43.4mm Linear Full Well (typical) 150K electrons Dynamic Range 85 dB QE at 400nm 55% Peak QE (720nm) 96% Anti-blooming None Camera System Performance PC Interface USB 2.0 Max. Cable Length 5 meters between hubs, 5 hubs maximum (max. total of 30m); or up to 50m with icron 2.0 Ranger extender Digital Resolution 16 bits to 4 MHz System Noise (typical) 12 e- RMS at 1 MHz Pixel Binning 1 x 1 to 8 x 2048 on chip Exposure Time 20 milliseconds to 183 minutes (2.56 microsecond increments) Image Sequencing 1 to 65535 image sequences under software control Frame Sizes Full frame, subframe, focus mode Cooling (typical) Thermoelectric cooler with forced air. Maximum cooling up to 45°C below ambient temperature. Dark Current (typical) 0.4 e-/pixel/sec (-25°C) Temperature Stability +/- 0.1°C Operating Environment -25° to 40°C. Relative humidity: 10 to 90% non-condensing. Power 40W maximum power with shutter open and cooling maximum. AC/DC "brick" supply with int'l AC input plug (100-240V, 50-60Hz). Alternate 12V input from user's source. Remote Triggering LVTTL input allows exposure to start within 25 microseconds of rising edge of trigger. Camera Head Size Standard: D07. Low Profile: D11. Aluminum, hard blue anodized. 7"x7"x2.55" (17.8x17.8x6.48 cm). Weight: 4.2 lb. (1.9kg). Back Focal Distance Standard: 1.005" (2.56 cm). Low Profile: 0.585" (1.5 cm). [optical] Mounting 5.125" bolt circle. 2.5" 24 TPI thread. Optional Nikon F-mount or Canon EOS/EF or FD mount. Shutter Standard: 63mm shutter. Low Profile: no shutter. CCD Sensitivity