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User Manual for Meade LX850-ACF UHTC 16" f 8 Catadioptric Telescope Click to enlarge the picture
Contents of the user manual for the Meade LX850-ACF UHTC 16" f 8
- Product category: Catadioptrics (Cassegrains) Meade
- Brand: Meade
- 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 Meade Catadioptrics (Cassegrains)
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User manual for the Meade LX850-ACF UHTC 16" f 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 Meade 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 Meade 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 Meade product will considerably shorten its lifespan!
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Product description Representing the largest aperture in the series, with a large oversized primary mirror to pierce the furthest reaches of the visible night sky, the Meade Instruments LX850-ACF UHTC 16" f/8 Catadioptric Telescope utilizes their Advanced Coma-Free (ACF) catadioptric light path to reduce color fringing and off-axis comas, enabling it to clearly resolve deep-sky objects and easily split binary stars with tack-sharp clarity. Complementing the ACF system is their Ultra-High Transmission Coatings (UHTC) system that improves light transmission through the entire light path across the whole visible spectrum. A combination of high-transmittance lens coatings and highly reflective mirror coatings boost image brightness, while minimizing external light loss and internal diffraction.Meade built this series for users who have a reliable mount and support system with all their favorite eyepieces and accessories, so this LX-850 is offered here as just the optical tube assembly (OTA)—other required accessories such as visual backs, finders, eyepieces, and diagonals are also not included. Meade only includes a large Losmandy-style dovetail plate, with sturdy and stable radius blocks for added strength, to make it easier to install on a mount out of the box, and a factory-installed dovetail finder saddle that will accept most Meade finder brackets. - Optical Tube Assembly
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- Extra-large 16" (406mm) aperture allows for detailed lunar and planetary viewing with the ability to resolve deep-sky objects
- Moderate f/8 focal ratio makes it a competent optic for astrophotography and imaging
- Long 3251mm focal length, despite compact form factor, provides a high magnification potential
- Advanced Coma-Free (ACF) catadioptric design
- Ultra-High Transmission Coatings (UHTC) system
- Resolution: 0.285 arcsec, Dawes' Limit
- 7:1 dual-speed internal Crayford focuser enables fast coarse and precise fine focusing with zero backlash—especially useful for viewing deep-sky objects and splitting binary stars or clusters
- Standard Schmidt-Cassegrain visual back threads accept most screw-on backs and accessories
- Factory-installed finderscope dovetail saddle accepts compatible finders
- Optical Technologies
- Advanced Coma-Free System:
- Reduces off-axis comas and astigmatism for sharper images
- Eliminates diffraction spikes for better resolution
- Aplanatic design produces flat, distortion-free images across the field of view—especially at the edges
Ultra-High Transmission Coatings (UHTC):- All corrector plate and mirror surfaces are fully multi-coated
- Engineered to optimize visual, photographic, and CCD imaging
- Improve light transmission across the entire visible spectrum through the optical path
- Corrector plate coatings made up of multiple layers of aluminum oxide (Al2O3), titanium dioxide (TiO2), and magnesium fluoride (MgF2)
- Mirror coatings consist of aluminum with multi-layer coatings of titanium dioxide (TiO2) and silicon dioxide (SiO2)
- Mounting
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- Optical tube assembly only—mount and tripod required for proper use
- Large Losmandy-style dovetail plate for use on compatible saddles
- Radius blocks help provide strength and stability to rail
- Weight: 70 pounds
UPC: 709942998047 In the Box Meade LX850-ACF UHTC 16" f/8 Catadioptric Telescope (OTA Only) Losmandy-Style Dovetail Plate Finderscope Dovetail Saddle Front and Rear Dust Covers Limited 1-Year Warranty Table of Contents
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Technical parametersMeade LX850-ACF Specs | Optical Design | Advanced Coma-Free catadioptric | | Aperture | 406.4mm / 16.0" | | Focal Length | 3251mm | | Focal Ratio | f/8 | | Eyepiece Barrel Diameter | N/A | | Diagonal | None | | Finderscope | None | | Tripod | None | | Mount Type | Losmandy-style dovetail plate | | GoTo Capability | None | | Power Source | None | | Optical Tube Dimensions | Not specified by manufacturer | | Weight | 70.0 lb / 31.8 kg | | | | Package Weight | 125.0 lb | | Box Dimensions (LxWxH) | 42.2 x 39.0 x 27.0" |
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