Apr 17, 2010 this is the new takahashi 250mm cca 250p. Takahashi cca 250 mm trifocal astrograph telescope ota. Specifications takahashi cca 250 mm trifocal astrograph telescope ota. Takahashi cca 250 mm trifocal astrograph telescope ota the takahashi cca 250 trifocal astrograph functions at f5, f8, and f3. Takahashi cca 250p trifocal astrograph check out imaging and collimation results and pictures below by new mexico skies staff. Takahashi cca250 performance one customers brief first light.
Motorized, with translation of the secondary mirror. Takahashi mewlon 250 telescope ota w the corrector installed. Takahashi cca250p trifocal astrograph telescope ota. The prices below were calculated at an audjpy exchange rate of 72. Takahashi cca250 trifocal astrograph camera concepts. Add a carbon fiber tube to the equation for light weight, stable temperature operation and excellent focus and you have the new takahashi cca 250 trifocal astrograph. Describing the telescope as an astrograph indicates that it is designed with imaging in mind. Takahashi cca 250 mm tri focal astrograph telescope ota the takahashi cca 250 tri focal astrograph functions at f5, f8, and f3.
Takahashi cca250 trifocal astrograph anacortes telescope. Produktinformationen takahashi cca250b trifocal astrograph. The cca 250 tri focal astrograph was produced by tak. In this doublet design, takahashi has paired the fluorite element with a low dispersion glass having a high refractive index. Manual, with pads on the handbox computerized, with software supplied ascom compliant. Cca 250 cca stands for corrected cassegrain astrograph offers 3 kinds of focal lengths by the addition of optional reducers and extenders. This reducer uses four elements in four groups and uses high refractive index low dispersion glass in two convex lenses to minimize chromatic aberration and coma that tend to occur in reducers. Takahashi cca250 f5 modified cassegrain ota ships free. With the takahashi active focuser system which installs the stepping motor for focus adjustment in rear side of the secondary mirror, the focus adjusting is done by electromotion.
It is located in the eastern part of cassiopeia, nearby to the famous nebular complex of the heart and soul, at the point where the luminous trail of the milky way seems to. From f5 standard focal ratio at primary focus, it is possible to go to f3. The cca 250p was developed as a replacement for the bakerritchey chretien brc 250. The exposure was a total of 4 hours exposure taken with a takahashi cca 250 f5 astrograph with a qsi683wsg ccd camera astrodon gen 2 filters on a paramount me in mayhill, nm on the nights of 22, 25 oct. The cca 250p is a tri focal astrograph that can be used at three different focal lengths from wide field to narrow field. The cca250 trifocal astrograph was produced by takahashi to replace the baker ritchey chretien brc250 the cca250 rear assembly includes a large camera rotator and can operate an electric rotator for remote operation. The cca250 produces a flat field across an 88 mm image circle. Takahashi takahashi mewlon 300crs corrected dallkirkham telescope. The cca 250 produces a flat field across an 88 mm image circle. The cca250p is a trifocal astrograph that can be used at three different focal lengths from wide field to narrow field. Designed to replace the takahashi bakerritchey chretien brc 250, the new takahashi cca 250p tri focal astrograph takes its place among the stars as the latest visual and astrophotogic instrument. Takahashi cca250p trifocal astrograph sale telescopes. This instrument was developed to take advantage of the digital age and provide image circles to cover large format imaging chips. The epsilon was the smallest aperture and most portable of the series.
It was developed as a replacement for the brc 250 corrected ritchey. Easily share your publications and get them in front of issuus. This design produces a folded light path that results in a long focal. Astrographs astrograph telescopes for sale, newtonian. At high point scientific, we carry a variety of astrograph telescopes and parts from top brands. The takahashi cca 250 is based on the classic cassegrain, although the cca in its name stands for corrected cassegrain astrograph, which means theres a correcting lens in the final stage of the light path. With builtin electric focus, the takahashi cca250 astrograph allows use of software to ensure perfect focus. The takahashi cca 250 tri focal astrograph functions at f5, f8, and f3. The cca250p was developed as a replacement for the bakerritchey chretien brc250.
Buy the astrophotography equipment you need and more from high point today. Ota only tube holder, finderscope, and finderscope bracket are not included. The cca250 trifocal astrograph by takahashi is the latest visual and astrophotographic tool that takes the place of the takahashi baker ritchey chretien brc250. Neaf 2010 show update one share astronomy ken hudson.
The takahashi cca250 is based on the classic cassegrain, although the cca in its name stands for corrected cassegrain astrograph, which means theres a correcting lens in the final stage of the light path. Pm1 equatorial mount ttm23000 click for information. Takahashi caa250 f5 corrected cassegrain astrograph ota. Takahashi cca250 modified cassegrain ota farpoint astro. The takahashi cca 250 trifocal astrograph operates at three different focal lengths. Telescope india, telescope shop, astronomy store, reflector telescope india, refractor telescope india, cassegraine telescope india, astrophotography india, learn astronomy india, online astronomy store india mumbai, best telescope india, online telescope india, astronomy telescopes, celestron telescopes, astronomical telescopes for sale, telescope lens,telescope shopping, orion telescopes. Ttt02100 pegasus 21 remote control software for pc trs02320 pc connector tcw02500 counterweight 8kg x 2. Takahashi cca250 beginning and intermediate imaging. The takahashi cca 250 tri focal astrograph operates at three different focal lengths. Cca 250 modified cassegrain telescope cca 250 modified cassegrain telescope takahashi.
Designed to replace the takahashi bakerritchey chretien brc 250, the new takahashi cca 250p trifocal astrograph takes its place among the stars as the latest visual and astrophotogic instrument. Takahashi cca250 to caa 645 adapter free shipping opt. Shop astrograph telescopes from orion, televue, and takahashi. Learn the differences between catadioptric and refractor telescopes and details about the best catadioptric telescopes on the market. Following the recent evolution of ccd cameras offering larger sensors, takahashi decided to modify its optical design. This corrector produces improved sharpness and a rd reduction in the size of the spot equaling the spot size of the e180 at the edge producing a 44 mm diameter circle. I thinking of purchasing the above scope, given that i would like to start imaging with a larger aperture reflector. The new epsilon d is the same aperture as the original but now uses a digital corrector. The takahashi cca 250p tri focal astrograph was developed to replace the bakerritchey chretien brc 250. The takahashi cca250 trifocal astrograph operates at three different focal lengths. Takahashi cca250 tube assembly complete ikarus imaging. The cca 250 is takahashi s first corrected cassegrain astrograph. Share astronomy ken hudson spectroscopy, astro computing. Make buytelescopes your home for astrograph telescopes.
The takahashi cca 250p tri focal astrograph operates at three different focal lengths. The takahashi cca 250 trifocal astrograph functions at f5, f8, and f3. The cca 250p is a trifocal astrograph that can be used at three different focal lengths from wide field to narrow field. This refractor telescope was designed from the ground up for digital imaging, and is the go anywhere portable astrograph.
The takahashi cca 250 trifocal astrograph was developed to replace the bakerritchey chretien brc 250. Able to operate at three different focal lengths f5, f3. Specifications takahashi cca 250 mm tri focal astrograph telescope ota. Astrograph takahashi cca 250b tri focal fur fotografen. The takahashi cca250 trifocal astrograph was developed to replace the bakerritchey chretien brc250.
Field focused on the sh2202 emission nebula at the constellation border of cassiopea and giraffe. Takahashi epsilon d astrograph reflecting telescope. Takahashis original secondary focusing system was included with the mewlon250. The takahashi fsq85ed is the most portable member of the fsq series of flat field astrogrpahs. Rear assembly contains a large camera rotator and can utilize an electric rotator for remote operation. Includes integrated d series compatible dovetail for easy mounting.
In the world of astronomy, takahashi mounts are is associated with quality. It was developed as a replacement for the brc250 corrected ritchey. Cca 250 astrograph tck25000 cca 250 tube assembly complete chf 19788. The cca 250 is takahashi s modified ritcheychretien, developed as a replacement to the brc 250 and is designed with imaging in mind. Ikarus imaging unit 7 budlake units budlake road marsh barton trading estate exeter, devon ex2 8py. They have perfected their machining and sand casting process to create some of the most durable mounts with exceptional tracking accuracy. The takahashi cca 250 tri focal astrograph was developed to replace the bakerritchey chretien brc 250. The tsa series is a member of takahashi s line of triplet refractors. This adapter changes the thread size and distance so as to standardize to the widemount. Cca250 cca stands for corrected cassegrain astrograph offers 3 kinds of focal lengths by the addition of optional reducers and extenders. Now takahashi is reintroducing the new ed digital version of this astrograph. Describing the telescope as an astrograph indicates that. The deep sky image shown is an example of the least the cca250 can do.
Takahashi cca 250p tri focal astrograph check out imaging and collimation results and pictures below by new mexico skies staff. Add a carbon fiber tube to the equation for light weight, stable temperature operation and excellent focus and you have the new takahashi cca 250 tri focal astrograph. With builtin electric focus, the takahashi cca250p trifocal astrograph allows use of software to enusre perfect focus. The takahshi epsilon series of astrographs are specifically designed for exceptional astrophotography. Att v10issue8 2016 by astronomy technology today issuu.
I very much prefer takahashi over other telescope manufactures because of their truly outstanding quality. Takahashi cca250b trifocal astrograph intercon spacetec. The instrument includes a 4inch focuser with a focus lock that allows focus to be maintained throughout a photo session. In fact, many of the design features found in takahashi s predecessor to the em200, the npj mount, was mimicked by other. Issuu is a digital publishing platform that makes it simple to publish magazines, catalogs, newspapers, books, and more online. Still, it has more detail than i could have gotten with triple the time using. Takahashi cca250 tube assembly complete first light optics. The cca250 is takahashis first corrected cassegrain astrograph. Design incorporates a carbon fiber tube to allow for light weight and stable focus. In the tsa design, an ed glass lens is placed between two lenses, with air spacing in between. Takahashi introduced their epsilon series flatfield hyperbolic astrographs in the middle 1980s.
The resulting system achieves a high level of apochromatic performance for both visual observation and imaging. Takahashi takahashi cca 250 optical tube with accessory. Current i have the tak106ed q, and taking good imaging with both my qsi632, sx694. This enables computer control by programs such as focusmax or maxim dl. Takahashi cca250 trifocal astrograph buy telescopes. Takahashi cca250 posted in beginning and intermediate imaging. Introduced in 1998, the brc 250 astrograph adopted a totally original optical design, based on bakerritcheychretien, perfectly designed for the imagery at that time. Takahashi cca 250p tri focal astrograph introducing the latest from takahashi, the cca 250p. Deepsky planner 7 astronomy software for windows provides the tools you need to make your time at the telescope more efficient and enjoyable. Apr 20, 2010 ok now heres what youre really looking for a new telescope. It has a good reflector with a wide range angle and has low power in viewing deep sky elements and milky way while taking views from the dark sky. This combination provides excellent optical performance across the entire visible spectrum with a strehl ratio in excess of 97.