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Optical System
Effective Aperture
Effective Focal Length
Effective Focal Ratio
Secondary Mirror Diameter
Corrector lens
Image Circle
Photographic Field
Metal Back
Diameter of Main Tube
Length of Main Tube Ass'y
Weight of Main Tube Ass'y
Focusing System
Standard Accessory
CONTENTS
Warning & Caution ------------------ 2
Specifications--------------------------3
Tube Assembly Layout --------------4
What is the ε-130D? ----------------5
Attaching Finder Tube Holder ----6
Focusing System----------------------8
Finder Alignment--------------------11
Observation---------------------------13
Photographic Accessories---------16
Optical Alignment-------------------17
Care and Maintenance------------- 25
System Chart--------------------------26
SPECIFICATIONS
Hyperboloidal Catadioptric
130 mm
430 mm
1:3.3
63 mm
2-element
φ44 mm
5.9 degrees
56 mm
166mm
460 mm
4.9 kg (10.8 lbs.)
Rack & Pinion < correspondence with MEF-3>
This Instruction Manual
WARRANTY SYSTEM AND WARRANTY
Allen Wrench (2, 2.5, 3, 4 mm)
Three Small Screws (for Attaching and
- 3 -
Detaching Primary Mirror)
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