Schmidt-Cassegrain / ACF OTA

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Celestron Schmidt-Cassegrain C9.25 XLT CGE optical tube

Celestron

CE-CE91027-XLT

Nuovo

Celestron Schmidt-Cassegrain C9.25" XLT CGE optical tube (OTA) features 235 mm mirror, F/10 focal ratio. 25 mm Plössl eyepiece and 6x30 finder view included.

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1 831,36 €

-3%

1 888,00 €

Ordered upon request

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Celestron Schmidt-Cassegrain C9.25" XLT CGE optical tube (OTA) features 235 mm mirror, F/10 focal ratio. 25 mm Plössl eyepiece and 6x30 finder view included.

OVERVIEW

  • 9.25" Schmidt-Cassegrain Optical Tube Assembly
  • Aluminum Optical Tube
  • Celestron's premium StarBright XLT coatings
  • 2350 mm focal length (f/10)
  • 25 mm eyepiece included (94x)
  • Visual back allows for use with 1.25" accessories
  • 6x30 finderscope to help accurately find objects
  • Star diagonal provides more comfortable viewing position when observing objects that are high in the sky
  • Includes dovetail rail compatible with CGE mount

DESCRIPTION

GENERAL FEATURES

9.25" Schmidt-Cassegrain Optical Tube Assembly

Aluminum Optical Tube

Celestron's premium StarBright XLT coatings

2350 mm focal length (f/10)

25 mm eyepiece included (94x)

Visual back allows for use with 1.25" accessories

6x30 finderscope to help accurately find objects

Star diagonal provides more comfortable viewing position when observing objects that are high in the sky

Includes dovetail rail compatible with CGE mount

SPECIFICATIONS

Optical Design

Schmidt-Cassegrain

Aperture (mm)

234.95 mm (9.25 in)

Focal Length

2350 mm (93 in)

Focal Ratio

10

Focal Length of Eyepiece 1 (mm)

25 mm (0.98 in)

Magnification of Eyepiece 1

94 x

Finderscope

6x30

Star Diagonal

1.25

Optical Tube

Aluminum

Highest Useful Magnification

555 x

Lowest Useful Magnification

34 x

Limiting Stellar Magnitude

14.4

Resolution (Rayleigh)

0.59 arc seconds

Resolution (Dawes)

0.49 arc seconds

Light Gathering Power (Compared to human eye)

1127 x

Secondary Mirror Obstruction

3.35 in (85 mm)

Secondary Mirror Obstruction by Diameter

36%

Secondary Mirror Obstruction by Area

13%

Optical Coatings

StarBright XLT

Optical Tube Length

22 in (559 mm)

Optical Tube Weight

20 lbs (9.07 kg)

Dovetail Compatibility

CGE Mount

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