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Meade F/8 16" ACF Optical Tube

Meade F/8 16'' ACF Optical Tube
Price:  £9,125.00(Inc. 20% VAT)

Product Code:  M1608-80-01
Manufacturer:  Meade Instruments

Meade Instruments

Meade F/8 ACF Optical Tubes

Award-winning Advanced Coma-Free (ACF) optics.
Building on Meade's award-winning Advanced Coma-Free (ACF) optics, this optical tube employs a fast f/8 optical system with high-contrast baffling that insures crisp, pinpoint imaging to the very edge of the field. Features an internal zero image shift Crayford-style focusing system with a two-speed 7:1 reduction control that provides smooth, precise focusing at any magnification. Includes precision machined Losmandy-style dovetail rail mated to the tube with wide-stance radius blocks for rock-steady mounting, Series 5000 enhanced 99 percent reflectivity diagonal, 8x50 finderscope with quick release mounting bracket, Series 5000 HD60 25mm eyepiece, and front and rear dust covers.

The "advanced" in Advanced Coma-Free
Building from a classic RC design, Meade has created a new design with the same coma-free pinpoint star images and flatter field also reduces the astigmatism and eliminates diffractions spikes found in classical RCs. The ACF is the perfect platform for the demanding researcher and imaging enthusiast with telescopes available in apertures of 10 inches, 12 inches, 14 inches, and 16 inches.

Coma Killer
What is coma? It's an optical aberration. Precisely defined, coma is a distortion in which the image of a star cannot be focused to a point, but takes on the shape of a comet.

Meade Ultra-High Transmission Coatings (UHTC)
Increases total light transmission and image brightness by nearly 20% over Meade's standard coatings. Objects such as stars, galaxies and nebulae will appear significantly brighter.

 ACF 16" OTA
Optical DesignAdvanced Coma-Free (ACF)
Clear Aperture16"
Focal Length3,251mm
Focal Ratiof/8
Resolving Power
(Dawes' Limit)
0.285 arc-seconds
Oversized Primary MirrorYes
Focuser MechanismInternal Crayford-style, zero image-shift, dual speed 7:1 focuser
ViewfinderNot included
DovetailLosmandy¶©-style with ultra stable radius blocks
Eyepiece(s)Not included
DiagonalNot included
Transit weight66kg

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