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User Manual for Celestron Cometron FirstScope 76mm f 4 Alt-Az Reflector Telescope Click to enlarge the picture
Contents of the user manual for the Celestron Cometron FirstScope 76mm f 4
- Product category: Reflectors Celestron
- Brand: Celestron
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Celestron Reflectors
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User manual for the Celestron Cometron FirstScope 76mm f 4 contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Celestron product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Celestron user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Celestron product will considerably shorten its lifespan!
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Product description The Celestron Cometron FirstScope 76mm f/4 Alt-Az Reflector Telescope is designed as an ideal entry-level optic for observing the Moon and planets, comet-watching, and enjoying meteor showers. This tabletop telescope features a Newtonian reflector optical design whose mirror is coated with a highly reflective combination of aluminum with SiO2 to improve resolution and contrast, while reducing comas and color fringing. The scope comes with two fully multi-coated 1.25" diameter eyepieces that yield 15x and 30x magnifications. The manual tabletop alt-azimuth mount gives you easy control of the telescope for tracking near and deep-sky objects. This telescope is easy to assemble and transport, so you can spend less time setting up and more time enjoying the night sky. - Optical Performance
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- 76mm aperture
- f/4 focal ratio
- 300mm focal length
- Newtonian reflector design
- Highly-reflective aluminum with SiO2 mirror coatings
- Resolution: 1.83 arc sec, Rayleigh; 1.53 arc sec Dawes
- Secondary Mirror Obstruction: 1.1 inches, 37% by diameter, 14% by area
- 1.25" rack-and-pinion focuser
- Accessories
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Eyepieces:- 1.25" diameter barrel
- Accepts most 1.25" filters and accessories
- Fully multi-coated to improve color and contrast
- 10mm eyepiece for 30x magnification
- 20mm eyepiece for 15x magnification
Finderscope:- 5x24 configuration
- Wide field of view enables fast acquisition of subjects and easy star-hopping
- Mount
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- Manual alt-azimuth mount
- Stable tabletop base
- Weight: 4.3 lb
UPC: 050234210232 In the Box Celestron Cometron FirstScope 76mm f/4 Alt-Az Reflector Telescope 20mm Eyepiece 4mm Eyepiece 5x24 Finderscope Limited 2-Year Warranty More from Manufacturer Table of Contents
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Technical parametersCelestron Cometron FirstScope Specs | | | Optical Design | Newtonian Reflector | | Aperture | 76 mm / 3" | | Focal Length | 300 mm | | Focal Ratio | f/4 | | Eyepiece Barrel Diameter | 1.25" | | Diagonal | None | | Finderscope | Yes | | Optical Tube Dimensions | Length: 10" / 25.4 cm | | | | Batteries | None | | Weight | 4.3 lb / 2.0 kg | | | | Package Weight | 6.05 lb | | Box Dimensions (LxWxH) | 15.2 x 9.5 x 9.5" |
Rating94% users recommend this product to others. And what about you?
This product has already been rated by 81 owners. Add your rating and experience with the product.
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