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Takahashi CCA-250 Modified Cassegrain Telescope

Takahashi CCA-250 Modified Cassegrain Telescope

Starting Price: $0.00
Price as Configured: $0.00
Brand: Takahashi / SKU: TA-TCK25010
Special Order Item. Please contact us for availability and delivery times.
Recommended Add-ons and Accessories
Product Price Quantity
TA-TKA86580L - Takahashi 645 Reducer-CA (.72X) (CCA-250)
TA-TKA86580L - Takahashi 645 Reducer-CA (.72X) (CCA-250)
About This Product
Special Order Item. Please allow 6 weeks for delivery. The Takahashi 645 Reducer-CA 0.72X reduces the focal length of the CCA-250 telescope by 0.72X, increasing the speed of the optical system for astrophotography. The reducer prodces a 60 mm diameter image circle that is ideal for larger imaging chips.
$2,610.00 each
TA-TKA82580 - Takahashi Reducer-CR 0.73X (CCA-250/M-CR/CRS)
TA-TKA82580 - Takahashi Reducer-CR 0.73X (CCA-250/M-CR/CRS)
About This Product
The Takahashi Reducer CR 0.73X is a is compatible with the Mewlon 250 CRS and FSQ-106EDX4 telescopes, providing a focal length reduction of .73X. The reducer produces a 44 mm diameter image circule suitable for medium format cameras and chips.
$850.00 each
call for pricing
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The CCA-250 is Takahashi’s modified Ritchey–Chrétien (or Corrected Cassegrain Astrograph), 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. The CCA-250 offers 3 different focal lengths through the addition of optional reducers and extenders. From the f/5 standard focal ratio at primary focus, it is possible to go to f/3.6 by using one of the two available reducers or to go to f/7.5 by using one of the two available extenders. The choice of the model of reducer or extender depends on the image circle needed and the size of the sensor of the camera to be used.

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.

Please note: mount, tripod, and finder sold separately.