Celestron 21072 Manuel d'instruction - Page 13

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D. To clean the outside of the objective lens, you may use an optical lens cleaning kit (available at most photo

stores) or the Celestron LensPen (#93575) cleaning tool.

SPECIFICATIONS AND STANDARD ACCESSORIES

Model

Optical System:

Aperture:

Focal Length:

F/ratio:

Focuser

Standard Ocular

Magnification with standard eyepieces

Highest Useful Power Magnification:

NOTE: Specifications are subject to change without notice.

9. OPTIONAL ACCESSORIES

Celestron International offers a wide assortment of optional accessories to expand your interests.

A. Sky Maps (#93722) - Invaluable when learning the night sky. They include all the constellations with the

brighter deep-sky objects. On the front cover is a rotating planisphere which indicates when specific

constellations are visible.

B. Flashlight - LED (#93588) - Uses a red LED to allow reading star maps and locating telescope accessories

and controls without ruining you night vision.

C. Eyepieces - A whole assortment of 1¼" eyepieces are available to give you a wide range of magnifications.

D. A 1¼" Standard 2x Barlow Lens (#93507) is available as well as a deluxe 2x model (#93506).

E. Erect Image Diagonals

through the telescope exactly what you see with your eye). A 45º model is available (#94112-A) as well as

a 90º model (#94108).

F. Planisphere & Planet Guide (#93720)

in various latitude ranges

G. Other accessories are available. See the Celestron Accessory Catalog (#93685) or ask your Celestron

dealer for details.

#21072

Refractor

80mm

400mm

f/5

1¼" Rack and Pinion

25mm 1¼" eyepiece

16x

189x

Mainly used for terrestrial applications where the correct image is seen (you see

Simple and easy to use to find your way around the sky. Available

30º (20 – 40º), 40º (30 – 50º), 50º (40 – 60º).