Celestron C5 Instruction Manual
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Celestron C5 Instruction Manual

Celestron c5: instruction manual
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See also: Instruction Manual , Operating Manual
T H E C E L E S T R O N C 5
S P O T T I N G S C O P E
INSTRUCTION MANUAL

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Summary of Contents for Celestron C5

  • Page 1 T H E C E L E S T R O N C 5 S P O T T I N G S C O P E INSTRUCTION MANUAL...

  • Page 2: Table Of Contents

    How to Use This Manual ... 3 A Word of Caution ... 3 ! ! ! ! ! ! ! ! ! ! ASSEMBLING YOUR C5 SPOTTING SCOPE ... 4 Removing the Lens Cap ... 4 Attaching the Visual Accessories ... 4 The Visual Back ...

  • Page 3: Introduction

    All models have rugged, durable housings to give you a lifetime of pleasure with a minimal amount of maintenance. This manual explains the proper use of your Celestron C5 spotting scope —from initial How to use this Manual set up to on-going use. This manual is broken down into several sections. The first covers attaching your spotting scope to a stable platform, like a photographic tripod, so that the standard accessories can be attached.

  • Page 4: Assembling Your C5 Spotting Scope

    The Celestron C5 lens cap is made of spun aluminum with a felt-lined inner diam- eter. The lens cap slides over the outer diameter of the C5’s front cell for a snug fit. To remove the lens cap, simply hold onto the outer edge of the lens cap and pull away from the front cell.

  • Page 5: The Eyepiece

    For more information on how to determine power, see the section on “Calculating Magnification.” Barrel diameter is the diameter of the barrel that slides into the diagonal or visual back. The C5 spotting scope use eyepieces with a standard 1-1/4" barrel diameter. Assembling Your Celestron C5 Spotting Scope •...

  • Page 6: Installing The Finderscope

    Attaching the eyepiece directly to the C5 rear cell. Doing this will invert (i.e., upside down and backwards) the image through the spotting scope. Installing the Finderscope The C5 spotting scope come standard with a terrestrial (erect image) 8x20 finder.

  • Page 7: Attaching The Finder To The Bracket

    Figure 1-3 To align the finder, please see the section on “Aligning the Finder.” Attaching the C5 to a The C5 spotting scope will attach to any photographic tripod with a 1/4x20 Photographic Tripod threaded screw. has three 1/4x20 holes. To attach the C5 to a photographic tripod: If the telescope/spotting scope is not properly balanced, try using one of the other holes in the photo tripod adapter block.

  • Page 8: Technical Specifications

    Technical Specifications The C5 spotting scope attaches to a photographic tripod via the photo adapter on the • Assembling Your Celestron C5 Spotting Scope Following is pertinent technical information for the Celestron C5 spotting scope that you may find useful.

  • Page 9: Getting Started

    (see figure 2-2). The focusing knob, which moves the primary mirror, is on the rear cell of the C5 to the right of the diagonal and eyepiece. Turn the focusing knob until the image is sharp. If the knob will not turn, the primary mirror has reached the end of its travel on the focusing mechanism.

  • Page 10: Aligning The Finderscope

    Aligning the Finder The Celestron C5 comes with a 8x20mm finder that helps in aiming at distant objects that are hard to find in the narrow field of the spotting scope. The first number used to describe the finder is the power while the second number is the diameter of the objective lens in millimeters.

  • Page 11: Your First Look

    C5 and better familiarize yourself with its operation. Before you can use your C5 to look at anything it must first be attached to a stable mount. For spotting scope owners, this would be a heavy-duty photographic tripod.

  • Page 12: Calculating Magnification

    The general rule is that 60 power can be used for every inch of aperture. For example, the C5 is 5" in diameter. Multiplying 5 by 60 gives a maximum useful magnification of 300 power.

  • Page 13: General Observing Hints

    Your Celestron C5 can be used for both terrestrial and astronomical photography. Hints Your C5 has a fixed aperture and, as a result, a fixed f/ratio. To properly expose your subjects photographically, you need to set your shutter speed accordingly.

  • Page 14: Care And Maintenance

    To check the collimation of your C5 you will need a light source. A bright star high in the sky is ideal since there is a minimal amount of atmospheric distortion. If the star moves too rapidly through the field of view of the spotting scope, use Polaris.
  • Page 15 A steadier part of the sky is judged by steady versus twinkling stars. In focus images show the C5 in collimation (left) and out of collimation (right). NOTE: THE ADJUSTMENT SCREWS ON THE SECONDARY MIRROR ARE VERY SENSITIVE.

  • Page 16: Optional Accessories

    Used with any eyepiece, it doubles the magnification of that eyepiece. Celestron offers two Barlow lens in the 1-1/4" size for the C5. 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.
  • Page 17 The Celestron Planisphere makes it easy to locate stars for observing and is a great planet finder as well. A map of the night sky, oriented by month and day, rotates within a depiction of the 24 hours of the day, to display exactly which stars and planets will be visible at any given time.
  • Page 18 T-Adapter (#93633-A) - T-Adapter (with additional T-Ring) allows you to attach your 35mm SLR camera to the rear cell of your Celestron C5. This turns your C5 into a 1250mm telephoto lens perfect for terrestrial photography and short exposure lunar photography.
  • Page 19 CELESTRON ONE YEAR WARRANTY Celestron International (CI) warrants this spotting scope to be free from defects in materials and workmanship for one year. CI will repair or replace such product or part thereof which, upon inspection by CI, is found to be defective in materials or workmanship. As a condition to the obligation of CI to repair or replace such product, the product must be returned to CI together with proof-of-purchase satisfactory to The Proper Return Authorization Number must be obtained from CI in advance of return.
  • Page 20 2835 Columbia Street Torrance, CA 90503 Tel. (310) 328-9560 Fax (310) 212-5835 Copyright 1999 Celestron International All rights reserved. (Products or instructions may change without notice or obligation.) Item # 94173 11-99 Price $10.00...

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