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CELESTRON C8 PDF

Buy Celestron C8-A-XLT CGE 8″ f/10 Schmidt-Cassegrain Telescope (OTA Only) featuring 8″ (mm) Schmidt-Cassegrain OTA, mm Focal Length, f/ High quality Celestron C8 SCT optical tubes are an ideal upgrade for large aperture chasers. Buy now on sale from Celestron’s Official Australian Dealer. View the night sky or terrestrial landscapes with the Celestron C8-A SCT, an unmounted Schmidt-Cassegrain telescope with premium StarBright XLT coatings !.

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Off-axis aberrations do mar the view of extended objects, such as clusters, compared to a better corrected design. This item is noncancelable and nonreturnable. Rest assured that our team of Telescope and Telescope Accessory experts will be standing by In this respect the C8 underperforms a good APO especially a well-corrected triplet.

Off-axis aberrations are worse than some other designs: Powerstars seem to be especially suspect. It’s celeatron a curiosity now, but the model does have some devotees. The people who told me that a modern C8 is a very different i. The original version had a gray tube.

After the frenzy of the arrival Halley’s Comet insales languished. The net result is faster, more attentive service eclestron the Manufacturer and an enhanced customer experience. If the owner has an spare, that’s a plus. Even celestroj, at x the gibbous disk was sharply defined and both the polar cap and Mare Acidalium were easily seen I always seem to catch Mars with Mare Acidalium in view for some reason.

Early C8s had an un-coated corrector, celetron this one has proper multi-coatings as you can see in the photos. You made the commitment to purchase, now you want that new item fast, we get it!

Celestron C8 XLT Review

In Celestron was sold to the dreaded Tasco, which itself folded in celestorn This has advantages over an external focuser — it keeps the tube sealed, the eyepiece in one place and allows lots of focus travel. Internal focusing By main mirror focusing, a very large focusing range is ensured.

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CGE dovetail plate Compatible with Losmandy-style saddles. JavaScript seems to be disabled in your browser. They were popular from the mid s to the early s. Do the coatings look good?

The era featured the now-famous “Celestron girls. Older controllers like the Accu-Trak and even ca. Collimation clearly has a tendency to shift in transport. One attractive selling point of the scopes was the Byers worm gear drive. Together with the use of high transmission water white float glass in the corrector plate, the result is markedly improved light transmission. In good seeing the C8 delivers wonderful views of the Moon. At High Point xelestron in stock orders ship within 24 hours, pending internal credit card approval.

C8 Focuser, standard 1.

Celestron C8-A SCT Aluminum Optical Tube with CGE Dovetail – 91024-XLT

The C8 underperforms in poor seeing, noticeably so compared to an unobstructed aperture. Celestroon the scope polar aligned, look at an object near the horizon. As a result, they look unusually large for an 8″ SCT.

Saturn was still very low in the dawn sky at the time I was doing this test, even so in good seeing celfstron view was excellent. The overall condition is good to very good.

There is some dust and felestron on the exterior, but the optics are perfectly clean. Check to see that the amount celestrln acceptable to you. So the Ring and Dumbbell nebulae and to some extent the Crab c88 brighter and more defined with a clearer shape than they do they do in say a typical small refractor. It was largely seen as a response to Meade’s SCT, introduced in the early s.

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Because of the square function relating f-ratio to exposure time, that means 25x shorter exposures! Ordered the wrong product?

Meade Meopta Binoculars and Spo. However, M37 revealed a lot more stars than in a smaller aperture and its characteristic central flower-like shape. My own preference is to find a clean, used OTA with good optics and rail attached. A plastic dew-cap is provided, but unlike the original push-fit C8 cap, this one twists and locks in place — a good compromise between push and screw-on types. You must have Celeston enabled in your browser to utilize the functionality of this website.

Complementing the optical system is the proprietary StarBright XLT optical coating system, which improves light transmission and reflectivity across the entire visual spectrum. The original line of Celestron telescopes contain what would be considered today an odd range of apertures: The Edge 8 models feature excellent correction at the edges of the field for astrophotographers.

Theoretically you could get about 1. Upping the magnification to x with an 11mm Plossl showed numerous shadow-filled craters scattered across bright Oceanus Procellarum and lots of detail in the larger craters like Kepler and Marius. Choose the appropriate model according to the mount you intend to use.

The Super C8 was an upgrade to the standard C8. The tubes are light gray. The accessories delivered with the C8. celestroh

Celestron also use cekestron better, more transmissive glass for the corrector than in previous models. There were many versions and this model was produced for nearly 10 years.