Celestron 18767, Catalog

Page 1: ...CELESTRON Accessories 1998 ...

Page 2: ...R 19 Motor Drives Economy and Deluxe 20 Declination Motors 20 Guiding Eyepieces Illuminators 21 Photo Accessories Reducer Corrector f 6 3 22 Radial Guider 22 Hand Controller 23 Focus Motors 23 Guidescope 23 Counterweights 24 Lens Shades 24 T Adapters and T Rings 25 Tele Extender 26 Piggyback Mounts 26 T C 16mm Adapter 26 Computerized Circles Sky Maps Books Advanced Astro Master 27 Beginning Books ...

Page 3: ...r vibration free viewing this adapter conveniently sets your hands free for other tasks while observing Cases If you own a C5 or C8 telescope it s imperative that you protect your investment Celestron offers a large case suitable for the task which accommo dates almost any C5 or C8 fork mounted telescope It s construct ed of space age resin making it waterproof unbreakable airtight and extremely d...

Page 4: ...m air to keep your corrector plate and any optional accessories dew free Just plug it into your car s cigarette lighter receptacle for trouble free observ ing 156 watts Weight 9 ounces Flashlights Red Astro Lite 93590 An economical disposable squeeze type flashlight fitted with a red cap to help preserve your night vision Remove the red cap for normal flashlight operation Very compact size and han...

Page 5: ...dry out Safe and very easy to use 5 Car Window Mount 93513 This durable heavy duty mount is carefully designed to attach easily to your car window and provide stable vibration free support for binoculars telephoto lenses and spotting scopes Accessory Package Kits Accessory packages are offered especially for Dobsonian telescopes at savings over individually priced items 92505 contains a 5x24 finde...

Page 6: ...y telescope with a 96 focuser to achieve an image correctly oriented from top to bottom rather than upside down as most eyepieces display an image Especially useful for daytime terrestrial observing Super Modified Achromatic SMA Eyepieces 96 and 11 4 The SMA design is an improved version of the Kellner eyepiece SMAs are very good economi cal general purpose eyepieces that deliver a wide apparent f...

Page 7: ... relief and a wide field and each air to glass surface is fully multicoated to enhance contrast levels These special eyepieces are computer designed to keep visual aberrations to an absolute minimum They virtually eliminate the following aberrations spherical color field curvature coma astigmatism distortion and spherical distortion of the exit pupil The inside surfaces and edges of all lenses are...

Page 8: ...iece for low to medium power observing It s an excellent zoom eye piece that performs superbly with fully multicoated surfaces It offers an apparent field of 40 at 24mm and 60 at 8mm Eye relief ranges from 15mm to 19mm Cross Hair Eyepiece 11 4 93304 This eyepiece is of the Kellner design with a focal length of 20mm It s ideal for centering alignment stars when using digital setting circles or comp...

Page 9: ... 40x 50x Bayonet 1838 16 48x Zoom 20 60x Zoom Thread Eyeguard Set 93330 A set of 10 rubber eyeguards that fit Celestron 11 4 Economy SMA and Plössl except 32 and 40mm eyepieces as well as many eyepieces of other manufac turers Allows more comfortable viewing by blocking out auxiliary light and provides increased contrast for both astronomical and terrestrial viewing 9 Clockwise 1838 1828 1830 ...

Page 10: ...pand your power ranges at a very economical price Celestron s premium quality 96 and 11 4 achromatic Barlow lenses 93502 and 93507 are compact and lightweight Both are under three inches long with the 11 4 lens weighing in at 4 ounces and the 96 lens a mere 2 ounces The clear aperture is 27mm on the 11 4 model and 21mm on the 96 unit The 96 Barlow is fully multicoated and the 11 4 lens is multicoa...

Page 11: ... telescope is pointed at or near the zenith i e directly overhead The resulting image is right side up but will be reversed from left to right The economy Hybrid Mirror Diagonal 90 provides a cost effective way to upgrade telescopes supplied with 96 eyepieces to higher quality 11 4 eyepieces Erect Image Diagonal 45 96 94111 A Erect Image Diagonal 45 11 4 94112 A Erect Image Diagonal 45 96 to 11 4 ...

Page 12: ...el has all the features of the 6x30 Finderscope model 93779 and comes with a mounting bracket It s a particularly good choice for Celestron s Star Hopper Dobsonian telescopes Can also be used to upgrade Firstscope 60 70 and 114 telescopes which come with a standard 5x24 finderscope Finderscope also sold separately model 51602 B 9x50 Finderscope 93783 8 A high quality economical 9x50 finderscope wi...

Page 13: ...into the line of sight providing you with a red dot of light to center on the object you want to view Something like having a laser pointer that reaches into the sky it greatly simplifies finding objects The bright ness level is adjustable and the Star Pointer can be used during daytime observing as well It s also a handy guide when using binoculars Attaches to any telescope easily Extra bases are...

Page 14: ...xpect from them in different viewing situations Some of these filters are available individually and others are available in convenient four filter sets Celestron has put together to affordably expand your range of observing options You ll find the information on these filters arranged in the following color cate gories Yellow Orange Red Blue Green and Violet In each category the informa tion that...

Page 15: ...es Jupiter Useful for studying bluer clouds Mars Ideal for observation of the polar ice caps and features on the Martian surface Sharpens the boundaries of yellow dust clouds Mercury Improves observation at twilight when the planet is near the horizon During daylight it reduces the brightness of the blue sky to enhance surface features Saturn Useful for studying bluer clouds Venus Use during dayli...

Page 16: ...and subject brightness Colors are unaltered as light is transmitted uniformly over the entire spectrum Each model performs somewhat differently depending on the brightness of the moon Planets Stacking in combination with color filters lowers transmission but retains true color balance for specific applications Reduces glare on brighter planets and minimizes irradiation Binary Stars Helpful in spli...

Page 17: ...al would be your most versatile choice This general purpose Wratten 1A filter improves color saturation and balance increases visual and photographic contrast helps to decrease glare in lunar and planetary observing and penetrates atmospheric haze It s also an inexpensive way to protect your investment in quality optics This filter threads onto the rear cell of your Celestron C5 C8 C91 4 C11 or C1...

Page 18: ...one tenth the thickness of a human hair Mylar offers superior perfor mance to thicker filters and is less expensive than conventional glass filters In addition glass filters are subject to breakage whereas the mylar filters are more durable Mylar is a very flexible substance by nature In fact when the Solar Skreen is mounted in the filter cell it will be quite wrinkled Don t be fooled by appear an...

Page 19: ...ave lengths The wavelengths included are hydrogen alpha hydrogen beta doubly ionized oxygen and singly ionized nitrogen This will improve your viewing of emission nebulae both from urban and rural settings Some examples of objects that will show improved contrast are the Orion Nebula the Rosette Nebula the North American Nebula the Veil Nebula and the Helix Nebula The latest generation of Celestro...

Page 20: ...king speed during long timed exposures of celestial objects producing the best possible image sharpness Precision drive correctors are a must for those with a serious interest in astrophotography or CCD imaging Three speeds are available 1x sidereal 1 3x for guiding and 6x for centering This precision state of the art DC motor drive operates on a 9 volt battery not included The hand controller mod...

Page 21: ... capture much fainter sharply focused guide stars without reducing limiting magnitude and measuring position angles and separation of double stars The Micro Guide Eyepiece is totally free of internal reflections and offers sufficient eye relief for the reticle to be viewed easily even with eyeglasses Its finely etched micrometer scale has gradations 50 microns apart and 15 microns wide Included ar...

Page 22: ...aphically Radial Guider 94176 Specifically for use in prime focus deep sky imaging or astrophotography with Schmidt Cassegrain telescopes the Radial Guider is compact and sleek in design This accessory makes it possible to simulta neously photograph and guide through the optical tube assembly of your telescope The Radial Guider also eliminates the problem of differential flexure because you re bot...

Page 23: ...electronically instead of manually The motorized focuser eliminates the possibility of bumping or shaking the telescope when focusing The motor speed is variable to make fine focusing a snap Focus Motor for Ultima 91 4 11 and 2000 94143 Focus Motor for all C8s and C11s with separate hand control 94142 60mm Guidescope 22212 A 60mm Guidescope of 700mm focal length Comes standard with a 11 4 mirror d...

Page 24: ...bly comes with mounting hardware and one 2 5 lb weight Counterweight Bar Assembly 8 94191 Counterweight Bar Assembly 91 4 94196 Counterweight Bar Assembly 11 94192 Extra Weight 2 5 lbs 94193 Extra Weight 5 lbs 94194 Counterweight Set Ultima 2000 94190 The standard set of weights works well when using standard accessories but when adding heavier optional accessories you ll require this optional set...

Page 25: ...l Guider for CCD imaging 93638 for Nature Zoom Spotters 93628 for Pro Zoom Spotters 93627 for Wildlife Zoom Spotters 1836 for Ultima Spotters T Rings 35mm A T Ring couples your 35mm camera body to a T Adapter Radial Guider or Tele Extender This accessory is required if you want to do any type of photog raphy through a telescope or spotting scope Each camera manufacturer has a different mount which...

Page 26: ...e image you ll see through your camera s viewfinder will be upside down Secondly due to the extremely high magnifying effect afforded by this accessory extra care to prevent camera and telescope vibration accurate polar alignment and use under good seeing conditions will all assist you in capturing high quality images Piggyback Mounts Celestron s Piggyback Mounts are a great accessory for all obse...

Page 27: ...pe common name constel lation and additional description Operates on a 9 volt battery included weighs 6 ounces and is easy to install It contains a RS 232 serial interface to PC programs The module is sold separately and installation kits are available for various telescopes The kit contains two optical encoders cables and all necessary brackets and hardware Made in USA Advanced Astro Master Modul...

Page 28: ...images horizontal projection custom sky chart printing and zoom capability A fun useful and educational product PC format Sky Maps 93722 Celestron Sky Maps are the ideal teaching guide for learning the night sky You wouldn t set off on a road trip without a road map and you don t need to try to navigate the night sky without a map either Even if you already know your way around the major constella...

Page 29: ... few seconds and then examine the chart with both eyes open you can see more detail than with one eye In addition the brain corrects for small defects aberrations of the eyes when given the information from both eyes Beyond a 50 foot distance pupils are nearly parallel and prevent real stereoscopic viewing However since our brain knows due to near distance experience we identify distant objects as...

Page 30: ...d to use a powerful telephoto lens or spotting scope with a standard photographic tripod If so you know that it isn t easy Try to adjust the position of the lens to follow a target and you ll discover that just touching the lens can cause so much vibration it can be difficult to even find the target let alone center it By using Celestron s Slow Motion Controls between your lens spotting scope and ...

Page 31: ...on s C8 C91 4 and C11 telescopes and also makes a very stable and sturdy platform for the C5 telescope A new leg support has been added for additional stability and the 2 diameter legs provide excellent damping Vibration Suppression Pads 93503 Telescope and spotting scope vibration is caused by windy conditions an unsteady mount or tripod or even an accidental bump to the instrument and results in...

Page 32: ...sed as an upgrade for the basic Celestar 8 telescope when used with an adjustable tripod or as a tabletop telescope Deluxe Latitude Adjuster 93528 Raise and lower the tilt plate of the C8 wedge 93656 with fine precision using Celestron s Deluxe Latitude Adjuster Used during the polar alignment process this adjuster is a real time saver Especially convenient if you observe from a variety of differe...

Page 33: ... excellent damping characteristics and a handy accessory tray It is the same mount as used on Celestron HD telescopes Optional motor drives and a polar alignment finderscope are available Telescope Equatorial Mount CG 5 91515 The CG 5 EQ mount is the newest generation of Celestron s German mounts replaces the GP mount Both axes of the equatorial mount have precision worm gears for extremely smooth...

Page 34: ...nction or deterioration due to normal wear is not covered by this warranty CI disclaims any warranties express or implied whether of merchantability or fitness for a particular use except as expressly set forth herein The sole obligation of CI under this limited warranty shall be to repair or replace the covered product in accordance with the terms set forth herein CI expressly disclaims any lost ...

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Page 36: ... 93685 98 2 00 1998 Celestron International Celestron International 2835 Columbia Street Torrance CA 90503 TEL 310 328 9560 FAX 310 212 5835 Web site at http www celestron com ...