Skywatcher Esprit 100ED Triplet Super APO Refractor OTA

Skywatcher Esprit 100ED Triplet Super APO Refractor OTA

$3,499.00

Afterpay available for orders up to $2,000.00 Learn More

  • Air Spaced 100mm Apochromatic Triplet
  • FPL-53 extra low dispersion glass
  • Zero detectable colour fringing even on bright objects
  • Diffraction limited optics
  • Fully multi coated lenses
  • 3″ CNC machined 11:1 dual speed linear power focuser – rotatable
  • Indexed focuser tube
  • Knife-edge baffled system to enhance contrast

Please contact us for availability.

Available on backorder

Description

ED Prime Glass

High quality FPL53 glass with extra low dispersion optics minimise chromatic aberration, providing higher resolution and superior contrast.

DESCRIPTION

The Sky-Watcher 100mm Esprit 100ED Triplet APO Refractor is a professional instrument for the most demanding and exacting astro-photographers. The air spaced apochromatic triplet lenses use the remarkable Ohara FPL-53 ED (extra low dispersion) glass, with exceptional colour correction over the entire visible spectrum there is no chromatic aberration even on bright objects! Knife edge baffles reduce internal reflections and increase contrast, helping to bring out faint structure in deep sky objects.

A 2-element field flattener is included to iron out the natural off-axis astigmatism and field curvature of the objective lens, leaving a fully corrected 42mm field of view. The Sky-Watcher exclusive Helinear Track 11:1 dual speed focuser is rock solid with zero image shift and a 3″ barrel to avoid vignetting. Designed with photography in mind, it sits on two tracks above and below the barrel to prevent flexure with a heavy camera attached, and is fully rotatable to perfectly frame a target on the sensor.

In The Box:

  • 100/550 Apochromatic Refractor
  • Fixed Dew Shield
  • Field Flattener with M48 Thread
  • T2 Canon Camera Adapter
  • 2″ Dielectric Star Diagonal
  • 9×50 Right Angled Erect Image Diagonal
  • D Style dovetail Bar
  • 2″ to 1.25″ Eyepiece Adaptor
  • Aluminium Foam-Lined Case

More Details

Weight 25 kg
Dimensions 100 × 60 × 50 cm

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