Celestron 21016 Manuale di istruzioni - Pagina 15

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The best way to re-collimate is with a good collimation tool. Celestron offers a Newtonian Collimation Tool

(#94183) with detailed instructions that make it an easy chore.

Optical System:

Coating:

Aperture:

Focal Length:

F/ratio:

Magnification (with standard eyepiece)

Highest Useful Power Magnification:

Resolution in arc seconds (Dawes)

Light Gathering Power:

Limiting Visual Magnitude:

Angular Field of View:

Linear Field of View (at 1000 yds.)

Optical Tube Length:

Weight

Optical Tube:

Equatorial Mount (with counterweight):

Note: All specifications are using the standard accessories. These specifications are approximate

and subject to change without notice.

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

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.

Flashlight - LED (#93588) - Uses red LED's to allow reading star maps and locating telescope accessories

and controls without ruining you night vision.

Technical Specifications

C80-HD (#21077)

Achromat

Refractor

Fully Multi-Coated

80mm

900mm

f/11

45x

189x

1.45

131

1.1°

57'

35"

6 lbs.

23 lbs.

OPTIONAL ACCESSORIES

C102-HD

C114-HD

(#21016)

(#31027)

Achromat

Newtonian

Refractor

Reflector

Fully Multi-

Multi Coated

Coated

102mm

114mm

1000mm

900mm

f/10

f/8

50x

45x

241x

269x

1.14

1.02

212

265

12.5

1°

1.1°

53'

57'

38.5"

35"

8.0 lbs.

6 lbs.

28 lbs.

C150-HD

(#31056)

Newtonian

Reflector

Multi Coated

150mm

1000mm

F/7

50x

354x

0.77

459

13.5

1°

53'

19.25"

13 lbs.

28 lbs.