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Daystar Filters
Daystar Instruments FLAT CAP Imaging Diffuser 140mm
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Daystar Instruments FLAT CAP Imaging Diffuser 140mm
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$94.99
Part Number:
FC140
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Description
The DayStar FlatCap is a Gaussian diffuser that is temporarily installed over the front of your telescope when taking flat field reference images. By strongly blurring the Sun, the only details you will see in the reference image are from defects in your imaging train that can be removed in software.
Specifications:
Construction: Spun Aluminum mounting ring with polymer diffuser
Intensity distribution: Gaussian
Divergence angle: 4 degrees FWHM
Exposure time adjustment factor: 100x longer
Maximum field of view: 1 degree with Sun backlight
Wavelength transmission range: 350-800nm
Operating temperature: -10 to 100°C (14-212°F)
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