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Takahashi CCA-250 F/5 Modified Cassegrain OTA

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TK-TCK25010
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  • Regular price $15,000.00

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DESCRIPTION

Takahashi CCA-250 F/5 Modified Cassegrain OTA

TAKAHASHI CCA-250 F/5.0  Modified Cassegrain Telescope OTA:

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.

 Image/ Drawing Note: The CCA-250 OTA is shown with a full set-up for use purposes only, the guidescope, rings, plates, mount, and tripod are not included, but may all be purchased separately.

SPECIFICATIONS

Aperture250 mm (9.75")
Back Focus193.9mm
Camera/Eyepiece Connection1.25" Nosepiece
Corrected Image Circle88mm
Dawes Limit0.46 arcseconds
Focal Length1250 mm
Focal Ratiof/5
Free ShippingYes
Hightest Magnification500x
Light Gathering Power1276x
Limiting Magnitude15.7
Optical DesignModified Cassegrain
Tube Diameter306mm
Tube Length870mm
Tube Weight50.3 lbs

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