Aluma AC2020 Standard Package

Extreme sensitivity back-illuminated Scientific CMOS camera.  4 megapixel sensor with 6.5 micron pixels, Adaptive Optics capable, StarChaser Guider compatible.

Aluma AC2020BSI features a Windowless Class 1 sensor.

Fused silica chamber window is available with either VIS-NIR or UV-VIS optical coating options.

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SBIG AFW Filter Wheels are ultra-thin wheels that minimize back focus distance.

The standard version, which accommodates filters ranging from 1 mm to 3 mm thick, uses only 0.55" (14 mm) back focus.

The tall version, which accommodates 5 mm thick filters, uses only 0.65" (16.5 mm) back focus.

Compatible with our Full Line of SBIG Cameras

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AFW series wheels are compatible with all SBIG cameras using our "STX" style adapter plates.  This includes our popular Aluma AC Advanced CMOS models as well as our legacy STX and STXL models.

AFW wheels can be used on our compact cameras using our AFW to Small Format Camera Adapter.

Please see the Description tab for information on compatibility with specific models.

Four Versions Available

• AFW-16-36R
  • 16 Filter Slots
  • 36 mm Round Filters
  • Accommodates 1 mm, 2 mm, and 3 mm thick filters
• AFW-12-50R
  • 12 Filter Slots
  • 50 mm Round Filters
  • Accommodates 1 mm, 2 mm, and 3 mm thick filters
• AFW-10-50SQ
  • 10 Filter Slots
  • 50 mm Square Filters
  • Accommodates 1 mm, 2 mm, and 3 mm thick filters
• AFW-10-50ST (tall version)
  • 10 Filter Slots
  • 50 mm Square Filters
  • Accommodates 1 mm, 2 mm, 3 mm, and 5 mm thick filters

Stackable

Two AFW wheels can be stacked to add even more filter slots, using the available Dual AFW Filter Wheel Adapter.  "Virtual Slots" can be assigned, which map to different slots on the two wheels.  If you leave one slot empty in each wheel you get almost double (less two) available filter slots.  If you sometimes need to stack filters then you can have even more virtual slots.

Fast Operation

AFW wheels switch filters quickly, requiring just 1 second to change to an adjacent slot. If the requested slot is on the far side of the carousel the maximum transition time is approximately 5 seconds.

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The SBIG StarChaser is the world's first all-in-one off-axis guider with built-in camera and integrated AO support.  Comes complete with MaxIm LT software.

New!  All StarChasers now include Enhanced sensors with improved Infrared sensitivity.

Several versions are available to fit our various SBIG camera models.  Please read the Description below to make sure you choose the correct option.

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