Celestron Advanced VX 11" Schmidt-Cassegrain Telescope

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Your Price: CAD5,500.37

Retail Price:CAD5,775.39

Your Savings:CAD275.02(5%)

Part Number: 12067

Availability: Usually ships in 5-7 business days

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Description

Product Highlights

11" Schmidt-Cassegrain OTA
2800mm Focal Length, f/10 Focal Ratio
StarBright XLT Optical Coatings
40mm Eyepiece, 9x50 Finderscope
Advanced VX German Equatorial GoTo Mount
40,000+ Object Database
All-Star Polar Alignment Technology
Programmable Periodic Error Correction
Counterweight Bar with Three Weights
Adjustable Stainless Steel Tripod

Celestron put together the Advanced VX 11" f/10 Schmidt-Cassegrain GoTo Telescope to provide a complete observational platform that includes an oversized aperture OTA, the NexStar+ GoTo computer hand controller that guides a motorized equatorial mount, and tripod, plus an array of accessories to get you set up and observing the Moon, planets, and especially deep-sky subjects like nebulae, galaxies, and star clusters.

C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail)
Celestron Advanced VX Schmidt Cassegrain Product Overview

Outfitted with an over-sized aperture, long effective focal length, and their proprietary StarBright XLT optical coatings, the Celestron C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope provides power and portability. The coating system consists of anti-reflection coatings on the corrector plate, highly reflective index mirror coatings, and low-absorption/high-transmission glass components to ensure that the maximum amount of light is gathered and transmitted to the user's eye. This system ensures bright and clear high-contrast images with accurate color rendition across the entire visual spectrum without visible distortion at the edges. Celestron includes a standard 1.25" visual back to accept eyepieces and accessories such as the 40mm eyepiece and 90° diagonal supplied with the optical tube assembly (OTA). This OTA is offered here without a mount or tripod for users who already have a support system - just ensure the mount's payload capacity exceeds 27.5 pounds to safely carry the weight, and has a Vixen-style saddle to match the OTA's CG-5 mounting plate.
Optical Tube

11" (279.4mm) aperture
f/10 focal ratio
2800mm effective focal length
Schmidt-Cassegrain design optical path
StarBright XLT optical coatings
Resolution: 0.5 arcsec (Rayleigh); 0.42 arcsec (Dawes)
Secondary mirror obstruction: 3.75" (95 mm); 34% by diameter; 12% by area

StarBright XLT System

Maximizes light transmission through optical path
Improves color rendition, contrast, sharpness, resolution, and brightness
Broad-band system provides flat wavelength transmission across the entire visual spectrum
Multi-layer mirror coatings with layers of aluminum, SiO2 (quartz), and TiO2 (titanium dioxide)
Multi-layer anti-reflective corrector plate coatings with layers of MgF2 (magnesium fluoride) and HfO2 (hafnium dioxide). Hafnium has a wider band-pass than the commonly used titanium
High-transmission water white glass corrector plate limits light loss due to internal absorption

Mounting

Optical tube only - Mount and tripod required for proper use
Supplied with CG-5 dovetail plate that is compatible with Vixen-style saddles
Mount must have a payload capacity of over 27.5 pounds to safely support the OTA

Included Accessories

Visual back:
Standard threads for SCT optical tubes
1.25" holder accepts 1.25" eyepieces and accessories
Eyepiece:
1.25" diameter barrel
Accepts most 1.25" astronomical filters
40mm focal length produces 70x magnification
Diagonal:
1.25" diameter barrel
90° angle places head in comfortable viewing position when scope is aimed at or near the zenith
Star diagonal corrects view horizontally, but not vertically
Finderscope:
9x magnification
50mm aperture
Mounting bracket included
Advanced VX GoTo German Equatorial Mount
Engineered and optimized for astrophotography with mid-sized optical tube assemblies, the Celestron Advanced VX GoTo German Equatorial Mount delivers the performance required for clear images through the use of dual-axis low-cog DC servo motors and backlash compensation. Added to this are encoders on the motors and Permanent Periodic Error Correction (PPEC) which help to improve positioning and tracking precision and ensure your target object stays centered for long-exposure photography techniques. Supporting the mount is a large 2" stainless steel tripod that has a wide stance for stability on most terrain, and a center tray that holds 1.25" and 2" eyepieces and accessories and acts as a leg-lock to further stabilize while helping to minimize vibrations.
The brain of the system is the NexStar+ computer controller which is equipped with a database of over 40,000 objects, including the planets, stars, nebulae, galaxies, and the complete Messier catalog; it can also be programmed with up 100 custom user-defined objects with filters to create custom object lists. Its intuitive menu-driven user interface makes observing the heavens fast and easy; features such as guided tours, extended information on 200 popular objects, and multiple alignment options make the NexStar+ controller an invaluable tool to new users and experienced star-gazers alike.
Advanced VX Mount

30-pound payload capacity
Dual-axis low-cog DC servo motors
Dual motor encoders improve tracking and location accuracy with reduced vibrations
7-77° latitude range
Uninterrupted tracking below meridian to enable observation from a raised location such as a balcony or hilltop
Integrated 12" counterweight bar with one 12-pound counterweight
Vixen-style CG-5 dovetail saddle

NexStar+ Hand Controller

40,000+ object database
100 user-defined programmable celestial or terrestrial objects
Enhanced information on over 200 objects
Nine slew speeds: 4°/sec, 2°/sec, 1°/sec, 0.3°/sec, 32x, 16x, 8x, 4x, 2x
Three tracking rates: Sidereal, Solar, Lunar
Multiple alignment procedures: Two-star, One-star, Solar system, Quick-align, Last-align
Sky Tour Mode: System seeks out the best objects for the date and time, and automatically slews to them
Identify Mode: Use to identify an unknown object in the field of view, or to find other celestial objects that are close to where the user is viewing
Anti-backlash compensation: Trains out the intrinsic play between gears for more precise slewing and tracking
Permanent Periodic Error Correction (PPEC): System learns its internal tracking errors and improves over time for more precise tracking, requiring fewer corrections
Built-in instructions guide you through the alignment procedures
4-line, 18-character LCD display with a 19-button fiber-optic backlit LED keypad
RS-232 comm port
Supports English, French, Italian, German, and Spanish
Database details:
Solar system: Seven planets, Moon, Sun, and Pluto
Custom lists of all the brightest stars, double stars, variable stars, and asterisms
Custom lists of galaxies, nebulae, and clusters, as well as the complete Messier catalog and select NGC objects

Tripod

Tubular stainless steel legs
2" leg diameter
44-64" height adjustment range
Center tray holds 1.25" and 2" eyepieces, and locks legs in-place for greater stability and vibration reduction
Removable hand controller holder can be moved to avoid cord-wrap during long observation sessions
Weight: 18-pounds

Specifications

Optical Design	Schmidt-Cassegrain
Aperture (mm)	280 mm (11 in)
Focal Length	2800 mm (110 in)
Focal Ratio	10
Focal Length of Eyepiece 1 (mm)	40 mm (1.57 in)
Magnification of Eyepiece 1	70 x
Finderscope	9x50
Tripod	Adjustable, Stainless Steel
Tripod Leg Diameter	2"
Highest Useful Magnification	661 x
Lowest Useful Magnification	40 x
Limiting Stellar Magnitude	14.7
Resolution (Rayleigh)	0.5 arc seconds
Resolution (Dawes)	0.41 arc seconds
Light Gathering Power (Compared to human eye)	1600 x
Optical Tube Length	24" in (610 mm)
Optical Tube Weight	27 lbs (12 kg)
Tripod Weight	18 lbs (8.16 kg)
Weight of Counterweights	3 x 12 lbs
Total Telescope Kit Weight	95 lbs (43 kg)
Mount Height (Max)	64" in (1626 mm)
Mount Height (Min)	44" in (1118 mm)

In the Box

Bundle Items

C11-A XLT 11" f/10 Schmidt-Cassegrain Telescope (OTA Only, CG-5 Dovetail)

40mm Eyepiece

1.25" 90° Diagonal

SCT Visual Back

9x50mm Finderscope

Universal Mounting Plate, CG-5

Limited 2-Year Warranty

Advanced VX GoTo German Equatorial Mount

Stainless Steel Tripod with Tray

Counterweight Bar

12-lb Counterweight

Hand Controller Holder

NexStar+ Hand Controller

12 VDC Car/Vehicle Power Cord

Declination Motor Cable

Limited 2-Year Warranty

2 x 11 lb Counterweight for Advanced VX

Two Year Limited Warranty

Based on Astronomy magazine’s telescope "report cards", scopes of this size and type generally perform as follows . . .
Terrestrial Observation:	No
Lunar Observation:	Very Good
Planetary Observation:	Very Good
Binary and Star Cluster Observation:	Very Good
Galaxy and Nebula Observation:	Very Good
Photography:	Yes
Terrestrial Photography:	Yes
Lunar Photography:	Yes
Planetary Photography:	Yes
Star Cluster / Nebula / Galaxy Photography:	Yes

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