Sky-Watcher AP 120/840 ESPRIT-120ED Professional OTA Apochromatic refractor

Esprit ED Refractor - A Triplet Apochromat Telescope from Skywatcher

Introducing the Esprit ED refractor, Skywatcher's premier line of telescopes designed to meet the exacting standards of astrophotographers and discerning observers. Available in 120mm and 150mm apertures, these triplet apochromats represent the pinnacle of Skywatcher's telescope offerings.

Crafted with precision, the triplet lens configuration comprises an Ohara-FPL 53 lens and two elements from Schott, ensuring minimal color fringing and delivering high-contrast images.

Linear Power Focuser:

Equipped with a 3" Linear Power focuser, the Esprit ED provides versatility for astrophotography. Its generous size ensures optimal illumination even for full-frame camera chips. Included adapters allow for seamless compatibility with standard 2" or 1.25" accessories.

The innovative Linear Power focuser boasts robust construction, featuring a sturdy stainless steel rail and four roller bearings for smooth operation. With a load-bearing capacity of up to 5kg unclamped and 10kg clamped, it can accommodate heavier accessories with ease. Additionally, the focuser's rotatable design enhances its utility for astrophotography, allowing precise camera orientation.

Key Advantages:

Triplet apochromatic objective

Ohara FLP-53 glass for superior contrast

Minimal color fringing

Easily collimated objective lens cell

Illumination suitable for full-frame camera chips

1:11 reduction ratio for precise focusing

High load-bearing capacity of up to 10kg

Premium mechanical and optical craftsmanship

Pull-out dew shield for added convenience

Included Accessories:

• 2'' Eyepieces: LET Okular 28mm
• Finder Scope: 9x50
• Deviating Optics: 2", 90° star diagonal
• Tube Clamps: Yes
• Prism Rail: Losmandy-Style

Specifications:

Optics:

Type: Refractor

Build: Apochromat

Aperture: 120mm

Focal Length: 840mm

Aperture Ratio: f/7

Resolving Capacity: 0.96 arc seconds

Limit Value: 12.2 mag

Light Gathering Capacity: 290

Max. Useful Magnification: 240x

Tube Weight: 9.61kg

Tube Material: Aluminium

Tube Construction: Full tube

Lens Design: Triplet

Focuser:

Type: Linear Crayford

Connection to Eyepiece: 3"

Gear Reduction: 1:11 fine focusing

Connecting Threaded Socket (Camera-side): M74

Mount:

Type: OTA

Mounting Type: No mount

GoTo Control: No

General:

Series: ESPRIT

Total Weight: 12.13kg

Area of Application: Moon & Planets, Nebulae & Galaxies, Nature Observation, Astrophotography

Sun: Not recommended (Only with appropriate Sun filter)

Recommended for: Advanced users

Observatories: No