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User Manual for Explore Scientific FCD100 T3 Series ED127mm f 7.5 Apo Triplet Carbon Fiber Telescope Click to enlarge the picture
Contents of the user manual for the Explore Scientific FCD100 T3 Series ED127mm
- Product category: Refractors Explore Scientific
- Brand: Explore Scientific
- 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 Explore Scientific Refractors
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User manual for the Explore Scientific FCD100 T3 Series ED127mm 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 Explore Scientific 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 Explore Scientific 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 Explore Scientific product will considerably shorten its lifespan!
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Product description Outfitted with upgraded optical glass, the Explore Scientific FCD100 T3 Series ED127mm f/7.5 Apo Triplet Carbon Fiber Telescope utilizes superior Japanese-made Hoya FCD100 extra low-dispersion (ED) and anomalous dispersion glass to correct chromatic aberration for true color fidelity and improved contrast. Complementing the glass is an apochromatic triplet lens configuration that corrects spherical aberration to improve resolution and sharpness, and further corrects chromatic aberration. These design features produce a powerful optical tube assembly that can be used to see detailed views of celestial objects from the Moon to deep sky objects like nebulae and galaxies. The optical performance, when coupled with its large focuser, makes this an ideal OTA for astrophotography and imaging, or as a convenient grab-and-go option for fast observation sessions.This version of the ED127 OTA is outfitted with a Starlight Instruments 3" rack-and-pinion dual speed focuser. Explore Scientific upgraded to this focuser to ensure full coverage of astrophotography gear with larger imaging sensors. The dual-speed configuration ensures ultra-precise focusing to properly split binary stars and resolve fine details single-speed focusers are unable to achieve. Its carbon fiber optical tube is temperature-resistant with reduced expansion/contraction due to temperature changes that can affect the fine focusing abilities. In addition to the resistance, the carbon fiber is as durable as aluminum but with a reduced overall weight. - Optical Performance
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- 127mm objective lens
- 952mm focal length
- Focal ratio: f/7.5
- Refractor-style optical design
- Hoya FCD100 extra-low dispersion (ED) and anomalous dispersion glass has a high refractive index to correct chromatic aberration for true color fidelity and improved contrast
- Apochromatic triplet optical design corrects spherical aberration to improve resolution and sharpness, and further correcting chromatic aberration
- Proprietary EMD enhanced multi-coatings on all optical surfaces
- Resolution: 0.9 arcsec
- Use and Handling
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Focuser:- Starlight Industries 3" focuser
- Large focusing tube ensures full coverage of larger imaging sensors for astrophotography equipment
- Dual-speed mechanism to achieve tack-sharp focus
- Rack-and-pinion configuration to comfortably carry heavier loads
Accessories:- Highly reflective 2" dielectric 90° star diagonal
- 2" and 1.25" eyepiece adapter to use smaller barreled eyepieces/accessories
- Factory-installed bracket for user-supplied finderscope
- Construction Details
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- Carbon fiber optical tube eliminates focus change due to shrinking/expansion caused by temperature changes while reducing overall weight versus aluminum OTAs
- Vixen-style dovetail plate for easy compatibility with a variety of mounts
- Integrated dew shield helps to prevent external condensation while viewing
UPC: 812257018444 In the Box Explore Scientific FCD100 T3 Series ED127mm f/7.5 Apo Triplet Carbon Fiber Telescope (OTA only) 2" Eyepiece Adapter 1.25" Eyepiece Adapter 2" 90° Star Diagonal Limited 1-Year USA Warranty, Extendable to Transferrable Lifetime Warranty with Registration Table of Contents
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Technical parametersExplore Scientific FCD100-127075-T3-CF Specs | Optical Design | Refractor | | Aperture | 127 mm | | Focal Length | 952mm | | Focal Ratio | f/7.5 | | Eyepiece Barrel Diameter | 3" directly into focus tube
2" or 1.25" with included adapters | | Diagonal | 2" 90° star | | Finderscope | None | | Tripod | None | | Mount Type | Vixen-style dovetail | | Optical Tube Dimensions | Diameter: 5.1" / 13.0 cm
Length: 41.7" / 106.0 cm, with dew shield
Length: 33.4" / 84.9 cm, without dew shield | | Weight | 14.0 lb / 6.4 kg | | | | Package Weight | 24.0 lb | | Box Dimensions (LxWxH) | 37.5 x 11.5 x 11.0" |
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