Takahashi CCA-250 Modified Cassegrain OTA

$15,000.00

Available on backorder

The CCA-250 is Takahashi’s modified Ritchey–Chrétien, developed as a replacement to the BRC-250 and is designed with imaging in mind.  The CCA-250 produces a flat field across an 88 mm image circle.  At prime focus, it is a 250-mm aperture, f/5.0 astrograph.  Coupled with a reducer, it becomes a fast f/3.6 telescope.  The CCA-250 has a carbon fiber tube and a temperature compensated lens cell to maintain focus during long exposures.  The CCA-250 also has an ASCOM compliant active focus system that enables computer control of the focusing system.

 

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Aperture 250 mm (9.75″)
Back Focus 193.9mm
Camera/Eyepiece Connection 1.25″ Nosepiece
Corrected Image Circle 88mm
Dawes Limit 0.46 arcseconds
Focal Length 1250 mm
Focal Ratio f/5
Free Shipping Yes
Hightest Magnification 500x
Light Gathering Power 1276x
Limiting Magnitude 15.7
Optical Design Modified Cassegrain
Tube Diameter 306mm
Tube Length 870mm
Tube Weight 50.3 lbs
Warranty 5 Year Warranty