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Vixen Optics Field Flattener Focal Reducer

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User Manual for Vixen Optics Field Flattener Focal Reducer Kit for FL55SS Telescopes

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Vixen Optics Field Flattener Focal Reducer Kit for FL55SS Telescopes Contents of the user manual for the Vixen Optics Field Flattener Focal Reducer
  • Product category: Astrophotography 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 Astrophotography

User manual for the Vixen Optics Field Flattener Focal Reducer 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!



Product description

Designed specifically for their FL55SS telescopes, the Vixen Optics Field Flattener/Focal Reducer Kit combines two essential accessories that improve your astrophotography or imaging.
  • Focal Reducer for FL55SS Telescope This Vixen Optics Focal Reducer is purpose-built to speed up the focal ratio of the FL55SS telescope from an f/5.5 to an even faster f/4.3. Using the focal reducer during astrophotography with the optical tube allows you to use shorter exposure times without dimming the image, lowering image quality, or introducing additional signal noise. It has a 3-element/3-group lens design with high-transmission anti-reflection optical coatings to boost light transmission to over 98% to improve overall image brightness and sharpness. Not intended to be used by itself, it is designed to be used in combination with an additional accessory, such as a wide photo adapter 60DX, which is available separately.
  • f/5.7 Field Flattener HD Kit for FL55SS Telescope Designed specifically for their FL55SS refractor telescope, the Vixen Optics f/5.7 Field Flattener virtually eliminates spherical aberration in the objective lens system, especially at the edges. Uncorrected, this aberration causes blurry, defocused, and distorted areas in astrophotography or CCD images. The optics on the field flattener are fully multi-coated allowing greater than 96% transmission across its 44mm diameter imaging circle. The included extension ring provides the correct backfocus distance while offering threads for optional camera-specific T-rings to connect cameras and imaging systems.
In the Box Bundle Items Focal Reducer for FL55SS Telescope dbbrtfwrzyxuveaqsrzxrycq
  • Limited 5-Year Warranty
f/5.7 Field Flattener HD Kit for FL55SS Telescope
  • Field Flattener Lens
  • Extension Tube
  • Limited 5-Year Warranty
Table of Contents




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