William Optics Zenithstar 103 APO User manual

ZENITHSTAR 103 APO
Owner’s Manual ver. 1.0
2018.09

Contents
Specification 3
Package Contents 4
Tools necessary for this scope 4
Telescope Diagram 5
Accessories Map 10

Specification
Aperture 103mm
Focal Ratio F/6.9
Focal Length 711mm
Image Circle Z103 with Flat 6A II Φ 43mm
Limiting magnitude 10
Objective Type Synthetic Flourite FPL 53 Doublet, Air Spaced, APO
Fully Multi-Coated, SMC coating.
Lens Shade Retractable
Focuser 2.5”R&P Ultra robust focuser
with 1:10 Dual Speed micro focuser
Field Stops Baffles
Mounting Rings Provided
Tube Diameters 105mm
Tube Length 615mm Fully Retracted
750mm Fully Extended
Tube Weight 4.36kg (Rings and Dovetail include)

Tools necessary for this scope
2.5mm Allen key
Package Contents
5.0mm Allen key Your Hands
[2]
[5]
[3]
[6]
[1]
[4]
[1] 2.5” R&P Focuser
[3] CNC Carry Handle Bar
[5] Mounting Rings
[2] Guiding Rings
[4] Innovative Bahtinov Mask Cover (Patented)
[6] Long Vixen Style Dovetail Plate

1. Bahtinov Mask
2. Retractable Dew Shield
3. Main Tube
Extend
Dew Shield Lock Screw
Your Hands