Meade - 14" ACF Advanced Coma-Free (f/8) Optical Tube Assembly - (UHTC)

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The Meade Instruments 14" f/8 ACF Optical Tube Assembly (OTA) features a 14” aperture, f/8 optical system with Meade’s Advanced Coma Free (ACF) optics and high-contrast baffling that ensures crisp, pinpoint imaging to the very edge of the field.

SKU: MEA-1408-80-01
Manufactured by:
Meade
 

Product Description

Meade 14" ACF Advanced Coma-Free Optical Tube Assembly

  The Meade Instruments 14" f/8 ACF Optical Tube Assembly (OTA) features a 14” aperture, f/8 optical system with Meade’s Advanced Coma Free (ACF) optics and high-contrast baffling that ensures crisp, pinpoint imaging to the very edge of the field. The OTA features an internal zero image shift 3” Crayford-style 10:1 focusing system with a 2-speed, 7:1 reduction control that rigidly holds the OTA’s primary mirror, eliminating the need for a mirror lock, and provides smooth, precise focusing. The OTA has a focal length of 2,845mm.

The OTA comes with a precision-machined Losmandy-style dovetail rail mated to the tube with wide-stance radius blocks for steady mounting and front and rear dust covers.

 

  • OTA with 14" clear aperture, f/8 optical system, and Meade's ACF optics
  • High-contrast baffling ensures crisp, pinpoint imaging to the very edge of the field
  • 2,845mm focal length
  • Low-expansion borosilicate glass primary mirror
  • Secondary Mirror: Low-expansion borosilicate glass that is individually figured with the primary mirror for minimum correction
  • Correcting Plate/Lens: Aspheric high-spectral transmission Borofloat glass from Schott AG Germany
  • Precision-machined Losmandy-style dovetail rail mated to the tube with wide-stance radius blocks

 

 

 

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Specifications

Name Meade - 14" ACF Advanced Coma-Free (f/8) Optical Tube Assembly - (UHTC)
Manufacturer Meade
Model MEA-1408-80-01
UPC 709942998030
Custom Stock Status In Stock
Telescope Aperture 12.1" - 14"
Aperture 14"
Backfocus Distance Optimal: 3.5" (88.9 mm) at f/5
Eyepieces HD-60 25 mm long eye relief eyepiece
Focal Length 2845mm
Focal Ratio f/8
Focus System Internal Crayford-style, zero image-shift primary mirror focus with dual speed 7:1 control
Optical Coatings UHTC
Optical Design Advanced Coma-Free
Optical Tube Aluminum
Resolving Power Dawes Limit: 0.325 arcseconds
Secondary Mirror Obstruction by Area 13.28%
Secondary Mirror Obstruction by Diameter 36%
Star Diagonal 2" Enhanced 99% Diagonal
Viewfinder 8 x 50 mm refractor with cross hairs

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