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Explore Scientific ED APO 127mm f/7.5 Deluxe FCD-100 Hex-Foc

£1,862.00

Quick Overview

Explore Scientific ED APO 127mm f/7.5 Deluxe FCD-100 Hexfoc

Triplet lens apochromat with two air spaces
Aperture 127mm; focal length 952mm; f/7.5
High end 2.5" Hexafoc 10:1 Deluxe Focuser
2" 99% Diagonal included
Handle features mounting place for cameras
44mm universal dovetail with stainless steel protection plate included (Fits Skywatcher/Super/Great Polaris, EQ5, LXD75, EXOS-II)
Uses newly designed HOYA FCD-100 glass for maximum color fidelity and correction
Retractable dewshield slides back onto tube for easy transport
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Explore Scientific ED APO 127mm f/7.5 Deluxe FCD-100 Hex-Foc


The Explore Scientific ED APO 127mm f/7.5 Deluxe FCD-100 Hex-Foc is the latest development in the line of Explore Scientific’s excellent Apochromatic range of refractors.  This 5-inch instrument offers superb colour correction and pin-sharp views and images, due to its triplet design lens, which features one FCD-100 ED element, offering excellent spherical aberration control and colour correction with a guaranteed polystrehl value 0.97. 


No one telescope “does it all”, but a 5-inch Apo certainly covers most of the bases required of a versatile telescope.  It will show significant improvement over a 4-inch class refractor in terms of light gathering power and resolution, making it a better choice of instrument for visual observation of lunar, planetary and deep sky targets.  Not only that, but this telescope is an excellent astrograph, with a medium-length focal ratio, which delivers excellent deep sky images (which can be reduced in field size and equivalent focal length yet further with the use of the Explore Scientific 0.7x Focal Reducer-Corrector) and can also be used to impressive extent for imaging of the planets and the Moon (we’d recommend the use of one of the excellent Explore Scientific Focal Extender Barlows for solar system imaging).


While not as lightweight as the 80mm and 102mm Triplets in the Explore Scientific range, at 7.7kgs weight, the Explore Scientific ED APO 127mm f/7.5 Deluxe FCD-100 Hex-Foc can be mounted to equatorial mounts in the EQ5 class and upward (though we’d recommend the minimum of the Explore Scientific EXOS-2 PMC-Eight GOTO Mount or Skywatcher HEQ5 Pro Synscan for imaging purposes). 


This telescope comes with the excellent Hexafoc focuser system, which comprises of a hexagonal drawtube, which minimises lateral shift which is present in lesser quality systems.  The focuser has a 10:1 dual speed focus knob, which allows for fine control of focus, whatever the sky conditions.  The 2.5” drawtube offers an unvignetted aperture, which users of large format cameras are sure to appreciate.


The Explore Scientific ED APO 127mm f/7.5 Deluxe FCD-100 Hex-Foc is supplied with heavy duty tube rings and a standard Vixen/Synta mounting plate. A handle is also supplied which has a channel running down its centre, in which a bolt can be seated, which allows a piggyback camera to be mounted for widefield astrophotography.


Explore Scientific’s 2” 99% reflectivity star diagonal, with 2” to 1.25” step down ring is also supplied, alongside 2 screw in extension tubes which will need to be fitted to the Hexafoc’s drawtube in order to get the telescope to a straight through photographic position.


Specifications



  • Aperture: 127mm

  • Focal Length: 952mm

  • Focal ratio: f/7.5

  • Design: Apochromat with three lenses, two air spaces and FCD-100 glass

  • Weight: 7.7kg

  • Backfocus: 150mm with 2" adaptor


What's in the box




    • telescope with dovetail plate and Handle

    • Dust caps for front-lens and focuser

    • Universal finder slot


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