Telescope, 100mm, 3.9", Refractor (ED Triplet), OTA (No Mount /Tripod), Espirit, Skywatcher


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Brand: Skywatcher
Aperture: 100mm
Focal Length: 550mm
Focal Ratio: f/5
Type: Refractor, ED Triplet Apo

Esprit 100ED,  Super APO refractors have a doublet field flattener to get a flat field and minimize aberration and distortion. Their wide 48mm opener ensures a larger and clearer aperture and also extremely minimized halation. Connect the triplet and doublet field flattener with a high precision thin thread to keep the optical axis perpendicular to the image. 

Main Features: 

- Premium optical materials 

- Short focal length and full frame corrected focal plane 

- Excellent field flatness 

- Precision linear power focuser is standard 

- Metallic high-transmission lens coatings 

- Light-baffled optical systems 

- Telescope tube attachment hardware

- Full-frame Corrected Focal Plane

- Zero detectable Colour Fringing even on Bright Objects

- Knife-edge Baffled Optical System

Optical Design Apochromatic Refractor 
Optical Diameter 100mm 
Focal Length 550mm 
F/Ratio f/5.5 
Highest Practical Power 150x 
Finder Scope 8x50 right angle erect finder 
Focuser Diameter 3" Linear Power Focuser 
Diagnol 2" 90 deg. Dielectric Diagonal with 1.25" adapter 
Tube Weight 6.3 kg 
Tube Dimensions 10.5cmx47cm 
Shipping Weight 23 kg 
Shipping Dimensions 105x39x29 cm3 

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