Celestron 93507 manual Super Modified Achromatic SMA Eyepieces 1 ¼

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You will find that additional accessories enhance your viewing pleasure and expand the usefulness of your telescope. For ease of reference, all the accessories are listed in alphabetical order.

Adapter, Car Battery (#18769) - Celestron offers the Car Battery Adapter that allows you to run the NexStar drive off an external power source. The adapter attaches to the cigarette lighter of your car, truck, van, or motorcycle.

Barlow Lens - A Barlow lens is a negative lens that increases the focal length of a telescope. Used with any eyepiece, it doubles the magnification of that eyepiece. Celestron offers two Barlow lens in the 1-1/4" size for the NexStar. The 2x Ultima Barlow (#93506) is a compact triplet design that is fully multicoated for maximum light transmission and parfocal when used with the Ultima eyepieces. Model #93507 is a compact achromatic Barlow lens that is under three inches long and weighs only 4 oz. It works very well with all Celestron eyepieces.

CD-ROM (#93700) - Celestron and Software Bisque have joined together to present this comprehensive CD-ROM called The Sky™ Level 1 - from Celestron. It features a 10,000 object database, 75 color images, horizontal projection, custom sky chart printing, zoom capability and more! A fun, useful and educational product. PC format.

Erect Image Diagonal (#94112-A) - This accessory is an Amici prism arrangement that allows you to look into the telescope at a 45° angle with images that are oriented properly (upright and correct from left-to-right). It is useful for daytime, terrestrial viewing.

Eyepieces - Like telescopes, eyepieces come in a variety of designs. Each design has its own advantages and disadvantages. For the 1-1/4" barrel diameter there are four different eyepiece designs available.

•Super Modified Achromatic (SMA) Eyepieces: 1 ¼"

The SMA design is an improved version of the Kellner eyepiece. SMAs are very good, economical, general purpose eyepieces that deliver a wide apparent field, good color correction and an excellent image at the center of the field of view. Celestron offers SMA eyepieces in 1-1/4"sizes in the following focal lengths: 6mm, 10mm, 12mm, 17mm and 25mm.

•NexStar Plössl - Plössl eyepieces have a 4-element lens designed for low-to-high power observing. The Plössls offer razor sharp views across the entire field, even at the edges! In the 1-1/4" barrel diameter, they are available in the following focal lengths: 3.6mm, 6mm, 8mm, 10mm, 13mm, 17mm, 25mm, 32mm and 40mm.

•Ultima - Ultima is our 5-element, wider field eyepiece design. In the 1- 1/4" barrel diameter, they are available in the following focal lengths: 5mm, 7.5mm, 12.5mm, 18mm, 30mm, 35mm, and 42mm. These eyepieces are all parfocal. The 35mm Ultima gives the widest possible field of view with a 1-1/4" diagonal.

•Axiom – As an extension of the Ultima line, a new wide angle series is offered – called the Axiom series. All units are seven element designs and feature a 70º extra wide field of view ( except the 50mm). All are fully multicoated and contain all the feature of the Ultimas.

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Contents Page Introduction Quick Setup Assembly Telescope Maintenance Appendix E Time Zone MAP SKY Maps Observational Data Sheet Page Center Leg Brace Tension KnobLeg Finderscope Alignment Star Control Panel Auxiliary PortSetting Up The Tripod Assembling the NexStarAdjusting the Tripod Height Attaching the NexStar to the TripodAttaching the Hand Control 3a Attaching the Hand Control for NexStar 8 GPSEyepiece Adjusting the ClutchesStar Diagonal Finderscope Installation FinderscopePowering the NexStar Aligning the FinderscopeNexStar Hand Control Alignment Procedures Hand Control OperationFew Words on GPS GPS AlignmentHint Auto-AlignHelpful Helpful Hint Two Star AlignmentQuick-Align EQ North / EQ South Alignment NexStar Re-AlignmentSelecting an Object Object CatalogFinding Planets Slewing to an ObjectRate Button Tour ModeDirection Buttons EQ North Setup ProceduresAlt-Az EQ SouthScope Setup Features Utility Features MenuHelpful Hint NexStar GPS Menu Alignment ListImage Orientation Determining Field of View FocusingCalculating Magnification General Observing Hints Celestial Coordinate System Celestial sphere seen from the outside showing R.A. and DECMotion of the Stars Wedge Align Polar Alignment with optional WedgeFinding the North Celestial Pole Declination Drift Method of Polar Alignment DefinitionPage Lunar Observing Hints Observing the MoonObserving the Planets Planetary Observing HintsSeeing Conditions Observing the SunObserving Deep Sky Objects TransparencySeeing Short Exposure Prime Focus Photography Full Lunar Phase ISO Crescent QuarterEyepiece Projection Long Exposure Prime Focus Photography Planet ISO Moon Mercury Venus Mars Jupiter SaturnPeriodic Error Correction PEC Using Periodic Error CorrectionTerrestrial Photography Reducing Vibration CCD ImagingMetering Fastar Compatible Optical System Fastar F/2 Imaging With Reducer/CorrectorPin out diagram for Autoguider port Auto GuidingCare and Cleaning of the Optics CollimationCollimated telescope Should appear Super Modified Achromatic SMA Eyepieces 1 ¼ Page Page Mechanical Specifications Optical Specification NexStar 8 GPS NexStar 11 GPSElectronic Specifications Software SpecificationsAppendix B Glossary of Terms Page Page Appendix C Longitudes Latitudes Georgia Minnesota Rhode Island Canada Description PC Command Ascii Hand Control Response Communication ProtocolSend Any Track Rate Through RS232 To The Hand Control Send a Slow-Goto Command Through RS232 To The Hand ControlReset The Position Of Azm Or Alt Appendix E Maps of Time Zones Page Page Page Page Page Page Page Observational Data Sheet Celestron TWO Year Warranty

93507 specifications

The Celestron 93507 is a powerful and versatile telescope designed for both amateur and seasoned astronomers. This model combines advanced technologies and practical features to deliver an enriching stargazing experience. One of the standout characteristics of the Celestron 93507 is its robust optical design. It features a 90mm aperture, allowing users to capture bright, detailed views of celestial objects, from the lunar surface to distant galaxies. The telescope employs a Maksutov-Cassegrain optical design, known for its compact form factor and high-quality images, free from chromatic aberration.

In terms of usability, the Celestron 93507 is designed with an easy setup in mind. It comes equipped with a solid mount that provides stability during observation. The mount also includes slow-motion controls, facilitating smooth panning across the night sky, allowing astronomers to track celestial objects effortlessly. This feature is particularly beneficial for viewing planets and other fast-moving astronomical phenomena.

Furthermore, the telescope comes with high-grade optics, including fully coated glass elements that enhance light transmission and ensure sharper images with higher contrast. It includes two eyepieces — a low-power 25mm and a high-power 10mm — that provide versatility in viewing options, whether you’re looking at wide expanses of the night sky or zooming in on close details of lunar craters.

Additionally, the Celestron 93507 is compatible with various Celestron accessories, including solar filters and advanced eyepieces, enabling users to expand their observational capabilities. The telescope's compact design makes it portable, perfect for amateur astronomers who enjoy taking their telescope for trips to dark-sky locations.

Another noteworthy feature of this telescope is its durability. Built to withstand the rigors of outdoor usage, the materials used in the Celestron 93507 are resistant to wear and tear, ensuring that users can enjoy stargazing for years.

Overall, the Celestron 93507 is a well-rounded instrument that combines advanced optical technology, user-friendly features, and portability, making it an excellent choice for anyone looking to explore the wonders of the universe. Whether you're interested in planetary observation, lunar details, or deep-sky wonders, this telescope offers the tools necessary to make your astronomical explorations rewarding.
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