Canon 93517- User Manual

6 Economy Eyepieces: .96" and 1 1 / 4 " Celestron offers these very economicaleyepieces to expand your viewing options.They are all simple eyepiece designs —Ramsden (SR & F) and Huygens (H & HM)but perform quite well on f/8 or slowertelescopes. The optics are all glass andthey’re pri...

7 Plössl Eyepieces: .96" and 1 1 / 4 " In a recent Sky and Telescope review, Celestron’s .96" and 1 1 / 4 " Plössl eyepieces were rated as top ranking, and found to outperform many similar, but moreexpensive eyepieces. An exceptional value! Celestron offers these premium eyepieces at...

8 LV Eyepieces: 1 1 / 4 " These Vixen brand eyepieces (6 to 8 elements) are anew breed, using the rare earth glass lanthanum inone of their field lenses, for almost total freedomfrom any visual aberrations. All focal lengths have acomfortable 20mm of eye relief. Even when usingthe 2.5mm LV eyepi...

Ultima Spotting Scope Eyepieces Extremely high quality eyepieces designed exclusively for the Ultima line ofspotting scopes. Model 65mm Spotter 80mm Spotter Mount Type #1828 20x 25x Bayonet #1830 40x 50x Bayonet #1838 16-48x Zoom 20-60x Zoom Thread Eyeguard Set — #93330 A set of 10 rubber eyeguards ...

10 Barlow lenses offer an easy, economical way toincrease the magnification range of your eyepieces,and Celestron carries an assortment of these highlyuseful lenses. A Barlow lens doubles the magnifyingpower of your eyepiece by doubling its effective focallength. For example, an 18mm eyepiece used w...

11 Diagonals: .96" and 1 1 / 4 " Celestron’s Erect Image Diagonals are an Amiciprism design. This design allows you to look intothe telescope at a 45° angle, at images that areoriented properly, meaning the image is uprightand correct from left to right. Use of Celestron’s .96"to 1 1 / 4...

12 Finderscopes are secondary scopes, used to helplocate objects in the main telescope. The largerthe finderscope, the more you’ll see, to an upperlimit of 50mm. Units larger than 50mm havetoo narrow a field of view to be useful.Finderscopes mount onto the main telescopetube and are an invaluable to...

13 Quick Release Finder Bracket – #51149-A A unique bracket for 50mm finderscopes, it’sdesigned for C8, C9 1 / 4 and C11 telescopes. No tools are required, and once it’s aligned, youcan take it off and put it on without losingalignment. Bracket includes necessary mount-ing hardware. The additional w...

14 Eyepiece filters are an invaluable aid in lunar and planetary observing. Theyreduce glare and light scattering, increase contrast through selective filtration,increase definition and resolution, reduce irradiation and lessen eye fatigue.Celestron’s filters are made of high quality, solid plane pa...

17 1 1 / 4 " Polarizing Filter Set: – #93608 Ambient daylight is normally comprised of multiplewavelengths of light, vibrating in multiple planes. TheEyepiece Polarizing Filter Set transmits only light movingalong a specific plane, thereby increasing the contrastbetween surfaces with different p...

18 Solar Filters Celestron’s Solar Skreen ® solar filters transmit .001% of visible light, allowingdirect observation of the sun. You can seesunspots and the mottled areas known asgranules with these filters. In addition toreducing the intensity of the sun’s visiblelight, they also block 99.999% of ...

19 LPR Filters Light Pollution Reduction (LPR) Filters aredesigned to selectively reduce the transmissionof certain wavelengths of light, specificallythose produced by artificial light. Thisincludes mercury, and both high and lowpressure sodium vapor lights. In addition, theyblock unwanted natural l...

20 To allow automatic tracking of celestial objects,Celestron offers several motor drives. All modelsinclude a hand controller, which makes observ-ing more fun as it makes centering objectsmuch easier. In addition, the hand controllercan be used as a drive corrector for long expo-sure celestial phot...

21 Guiding (or reticle) eyepieces are mandatory for guidedastrophotography. They keep a guide star stationaryduring long exposures to avoid star trailing. #94169 and#94170 require an illuminator — choose from models#60001 and #60011. 12mm Kellner Reticle Eyepiece: 1 1 / 4 " – #94170 The reticle ...

22 Reducer/Corrector f/6.3 – #94175 This combination focal reducer and field corrector lensaccessory works with all Celestron C5, C8, C9 1 / 4 , C11 and C14 telescopes. This clever accessory makes itpossible to have a dual focal ratio instrument, withoutsacrificing image quality. The Reducer/Correct...

23 Hand Controller – #28983 For use with the C5+ and Celestar 8, both for astrophotographyand CCD imaging. It’s also great for observing, where it servesto make centering objects easier. Provides easy centering andguiding on both axes. (Requires declination motor for use of thedeclination axis). Foc...

24 Counterweights Using accessories such as cameras, Lens Shades, Tele-Extenders and the 2"Diagonal will affect the balance of your Celestron Schmidt-Cassegrain telescope.Counterweights restore proper balance, increasing ease in handling and improvedtracking accuracy.You don’t need perfect balan...

26 Deluxe Tele-Extender – #93643 The Deluxe Tele-Extender for Schmidt-Cassegrain telescopes isa hollow tube that allows you to attach a camera to yourtelescope, with an eyepiece installed. By using the Deluxe Tele-Extender in combination with an eyepiece, you can increaseyour instrument’s effective ...

27 Digital Setting Circles: Advanced Astro Master ® Computerize your telescope! This pointingsystem contains a database of over 10,000objects. Once aligned, it will guide you to anyone of these objects. Included are the entireRNGC catalog, the Messier catalog, IC catalog(selected objects), major pla...

28 Planisphere A simple and inexpensive tool for all levels of observers,from naked eye viewers to users of highly sophisticatedtelescopes. The Celestron Planisphere makes it easy tolocate stars for observing and is a great planet finder aswell. A map of the night sky, oriented by month andday, rota...

30 T RIPODS Photographic/Video Tripod – #93596 For use with photographic and visual instruments fitted with astandard 1 / 4 " x 20 threaded hole. The Photo Tripod provides stable support for video cameras, telephoto lenses, spottingscopes and binoculars. This tripod boasts a number of deluxefeat...

31 Lightweight Field Tripod – #93591-A Designed for Celestron’s C5 telescope, this rigid,metal tripod weighs less than 10 lbs. and is verycompact when folded up. It’s great for traveling.It can be used with the Celestar 8 telescopewhen high portability is required. An optional accessory tray (#93594...

33 Telescope Equatorial Mount – CG-3 – #91503 A durable, rigid, German equatorial mount with awooden tripod, offering both affordability andhigh quality. Designed as an excellent and inex-pensive upgrade option when you’re ready tomove to a sturdier mount for your beginningtelescope. R.A. and DEC se...

A . Celestron International (CI) warrants its accessories to be free from defects in materials and workmanship for one year. CI will repair or replace such product or part thereofwhich, upon inspection by CI, is found to be defective in materials or workmanship.As a condition to the obligation of CI...

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