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User Manual for Vixen Optics VSD100 100mm f 3.8 Astrograph APO Refractor Click to enlarge the picture
Contents of the user manual for the Vixen Optics VSD100 100mm f 3.8
- Product category: Refractors Vixen Optics
- Brand: Vixen Optics
- 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 Vixen Optics Refractors
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User manual for the Vixen Optics VSD100 100mm f 3.8 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 Vixen Optics 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 Vixen Optics 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 Vixen Optics product will considerably shorten its lifespan!
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Product description The VSD100 100mm f/3.8 Astrograph APO Refractor from Vixen Optics is a purpose-built telescope for astrophotography and astro-imaging, with an imaging circle designed to completely cover sensors up to medium-format size. Optically, it's designed with both super-low dispersion (SD) and extra-low dispersion (ED) glass, in a fully multi-coated five-group/five-element apochromatic lens system that corrects for spherical and chromatic aberrations, astigmatism, and off-axis comas. This correction creates a wide flat field of view without distortion and removes the blue-tinted "halo" effect for true high-contrast color transmission. Front M112x1 and rear M58x0.75 threads allow the use of filters that can stay on, even if the user wants to change cameras.The scope can be used for multiple astrophotography techniques including prime-focus, afocal imaging, or eyepiece projection. A traditional focuser is replaced by a strong non-rotational helical focus system that moves the drawtube to precisely place the focal point onto the camera's imaging sensor. An engraved vernier scale on the drawtube won't wear off over time, makes repeatability easy, and enables precision measurements to as little as 20 microns. Three different size camera adapters are provided to accommodate the most common camera-specific T-rings and accessories. The VSD100 is offered here without a mount or tripod for users who have a reliable support system; an optional mounting ring assembly will be required for proper connection to any mount. For safe transport and storage, Vixen includes a hard aluminum carrying case with a custom-cut foam lining. - Optical Tube Assembly
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- Large 100mm aperture
- Fast f/3.8 focal ratio
- Short 380mm focal length
- 5-group/5-element apochromatic refractor style
- Super-low dispersion (SD) and extra-low dispersion (ED) glass corrects for spherical and chromatic aberrations, astigmatism, and off-axis comas
- Views show a wide and flat field of view without distortion (spherical aberration) at the edges
- Colors are faithfully rendered by eliminating the blue "halo" effect of chromatic aberrations
- Anti-reflection fully multi-coated optics
- Resolution: 1.16 arcsec
- Precise over-sized knurled non-rotational helical focus ring with ring lock
- 2.4" and 1.25" eyepiece holders
- Hard aluminum case with custom-cut foam insert
- Imaging
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- Use for prime focus, afocal imaging, or eyepiece projection astrophotography
- M84x1.0, M60x0.75mm, M42x0.75mm camera adapter threads
- Large-diameter 89mm focusing drawtube is designed with an imaging circle big enough to cover medium-format camera sensors
- 70mm imaging circle, with approximately 60% illumination at the edge
- Focus ring lock sets drawtube in place with an etched vernier scale for exact focal point placement to 20 microns
- 58mm filter thread
- Mounting
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- Optical tube assembly only; mount and tripod required for proper use
- Optional VSD tube ring assembly with Vixen-style dovetail plate recommended
- OTA weight: 10 pounds
In the Box Vixen Optics VSD100 100mm f/3.8 Astrograph APO Refractor (OTA Only) 3 x Photo Adapter Rings 1.5mm Allen Wrench Hard Aluminum Case Limited 5-Year Warranty Table of Contents
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Technical parametersVixen Optics 26145 Specs | | | Optical Design | Refractor | | Aperture | 100 mm / 3.9" | | Focal Length | 380 mm | | Focal Ratio | f/3.8 | | Eyepiece Barrel Diameter | 1.25" | | Diagonal | None | | Finderscope | None | | Mounting System | Vixen Style | | | | Package Weight | 20.55 lb | | Box Dimensions (LxWxH) | 24.6 x 11.0 x 10.4" |
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