Manufacturer: Skywatcher
Product number: EspritED120

EUR 3.435,00


incl. 19 % VAT (DE)  
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rating: 5.0 of 5
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Skywatcher Esprit 120ED - 120 mm f/7 FPL53 ED Triplet Apochromat
We are proud to present the new apochromatic 120 mm 3-element ED refractor telescope Skywatcher Professional Esprit 120. It is a refractor telescope of the highest quality with an optical performance that is on par with the leading, comparable devices of the well-known and famous high-end manufacturers.

The ESPRIT apo triplets are designed for the most demanding astrophotographers, but are also fine telescopes for visual observations. The premium, superbly-corrected optical systems deliver high-contrast images full of detail and zero detectable colour fringing, even on the brightest of objects. The 3" LPF focuser allows a high payload of 5 kg without shifting during focusing. The 11:1 gear reduction allows exact focusing even on critical objects.

Astrophotographic results obtained with this telescope on Astrobin
Here you can find some astrophotographs made with this telescope model: Link to Astrobin

The advantages and product features of Skywatcher ESPRIT 120ED:
3-element objective lens, aperture 120 mm, focal length 840 mm, focal ratio f/7
zero detectable colour fringing due to Ohara FPL53 APO element
3" CNC-machined 11:1 dual-speed Linear Power focuser, rotatable!
Zero focus-shift during focusing
High load capacity
Best possible multi-coating on every glass-air surface
Knife-edge baffled optical system
aluminium OTA material (superior to plain carbon-fibre for this application)
OTA weight only 10.3 kg (without accessories)
Fixed dew shield, diameter 150 mm
Drawtube with 2" and 1.25" eyepiece adaptors and indexed scale
CNC tube rings with Losmandy style dovetail
The optional flattener is screwed, not clamped
Dew shield diameter 165 mm


The 3" Linear Power Focuser:
The 3" Linear Power focuser is clearly superior to conventional Crayford focusers. The drawtube runs on a solid stainless steel rail mounted on the side. Additional stabilisation is provided by ball bearings on the sides. The focuser can easily carry heavy accessories weighing more than 5 kg and it does not tilt when the position is fixed.

The advantages of the 3" Linear Power focuser at a glance:
New drawtube with steel sheet held by four large bearings makes focusing smoother than ever
The smooth focus motion and 11:1 fine focus wheel allows precision adjustment and critical focusing of eyepieces & cameras
360° rotation system before the focuser and before the 2" receptacle
2" and 1.25" adapters with solid compression ring clamping
Excellent illumination even for large camera chips


Flatteners and correctors for astrophotography
We suggest following correctors:
TSFLAT2

2" Flattener for cameras to APS-C size sensors - suggested distance from M48 connection thread to camera sensor 109 mm
TSFLAT2.5

for full size sensors - suggested distance 91 mm from M69 connection thread to the camera sensor
Photoline 2" 0.79x Reducer und Corrector

reduces the focal length from 840 mm to 663 mm and increases the f/ratio from f7 to f5.53
Objective:Ohara FPL53 triplet objective, fully adjustable, cell temperature-stabilised
Elements:1x Ohara FPL53, 2x Schott glass
Tube:aluminium
Aperture:120 mm
Focal length:840 mm
Focal ratio:f/7
Coating:full multi-coated
Rayleigh resolution:1.16"
Limiting magnitude:12.9mag
Connection thread for the focuser:M147x1.5 male thread on the tube
Focuser:3" Linear Power focuser with reduction to 2" and to 1.25", external thread M74 on drawtube
Back focus from the 2" receptacle:180 mm
Tube diameter:140 mm
Dew shield diameter:175 mm
Tube length:696 mm (retracted dew shield) / 800 mm (extended dew shield)
Tube weight:10.3 kg
Transport case weight:8 kg
120 mm f/7 triplet apo - aluminium tube
Adapter from 3" connection of the focuser to 2" and 1.25" with compression ring
2" dielectric coated star diagonal mirror
2" eyepiece LET 28 mm
9x50 finder with 90° view and upright image
CNC tube rings
Losmandy style dovetail bar
Aluminium transport case

Astrophotographic results obtained with this telescope on Astrobin
Here you can find some astrophotographs made with this telescope model: Link to Astrobin


Recommended accessories




Adaptors

Barlow, Corrector, Reducer

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TS-Optics 2x Barlow Lens achromatic 1.25" with T2 Photo Connector

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Photo Acessories

TSFlat2,5

TS-Optics REFRACTOR 1.0x Flattener for full sized sensors - M68 connection

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Transport & Covers

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Reviews

Written by dale walker
on 2017-07-06

"Quality exceeded expectations"

Written by Dietmar Heineke
on 2017-03-17

"Super scharfer Apo, gutes Handling durch die Kombinationen der verschraubten Teile für den Fokus, kein lästiges An-und Abschrauben von Extensions mehr, der Auszug z.B.: hat eine Länge von 8,0 cm."