Takahashi Mewlon-180C, Instruction Manual

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Specifications
Optical System -------------------- Dall Kirkham
Effective Aperture ----------------- 180mm HR Multi-Coated
Effective Focal Length ----------- 2160mm
Effective Focal Ratio ------------- 1:12.0
Secondary Mirror ------------------ 54mm HR Multi-Coated
Resolving Power ------------------ 0.64"
Limiting Magnitude --------------- 13.0
Light Gathering Power ----------- 661x
When used with Mewlon Flattener/Reducer
Effective Focal Length --------- 1760
Effective Focal Ratio ------------ 1:9.8
Tube Diameter --------------------- 210mm
Total Length of Tube ------------- 625mm
Total Weight of Tube ------------- 6.2kg (13.6lbs)
Finder Scope ----------------------- 6x30 built-in
Accessories ------------------------ Dove-tail Adapter (F),
Warranty Card, Instruction Manual,
Tools (Hex Wrench 1.5mm & 2.5mm)
(Note) HR = High Reflectance