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Z

enithstar

 61 

User Manual 

Aperture

61mm

Focal Ratio

F/5.9

Focal Length

360 mm

Limiting 
Magnitude

10

Image Circle

Z61 

Φ

 41mm / Z61 with Flat 6 

Φ

 43mm

Objective 
Type

Synth

e

tic Flourite FPL 53 Doublet, Air Spaced, APO 

Fully Multi-Coated, SMC coating.

Lens Shade

Retractable

Focuser

50.8mm(2”) R&P Focuser

with 1:10 Dual Speed micro focuser

75 mm Focuser Travel Length

Field Stops

Baffles

Type of mount

Rotatable L Bracket

Diameters

Main Tube Diameter 75 mm / Dewshield Diameter 80mm

Tube Length

230 mm Fully Retracted

300 mm Fully Extended

Tube Weight

1.45kg 

Specification

Summary of Contents for ZENITHSTAR 61 APO

Page 1: ...ZENITHSTAR 61 APO Owner s Manual ver 1 1 2017 07...

Page 2: ...Contents Specification 3 Telescope Diagram 4 Accessories Map 5 Usage 6 Storage and Cleaning 7 Caution and Safety Optional Equipment 8 Optional Equipment 8 Recommended Accessories 9...

Page 3: ...PL 53 Doublet Air Spaced APO Fully Multi Coated SMC coating Lens Shade Retractable Focuser 50 8mm 2 R P Focuser with 1 10 Dual Speed micro focuser 75 mm Focuser Travel Length Field Stops Baffles Type...

Page 4: ...Base Bracket for Tripod 6 R P Focuser 7 10 1 Ratio Fine Knob 8 Fine Knob Protection Cover 9 Temperature Gauge 10 Two inch draw tube locking screws 11 1 25 Adapter 12 1 25 plastic cap 13 Draw Tube Ten...

Page 5: ...Zenithstar 61 User Manual Accessories Map ZENITHSTAR 61 APO Flat 61 Photo Adapter for Canon Hard Anodized Dovetail...

Page 6: ...be seen using a 12x low pow er wide field of view eyepiece A stable tripod or mount is recommended for optimal viewing This includes high quality photography tripods and German Equatorial mounts which...

Page 7: ...you change your cloth to a new one from time to time The above mentioned indi cations are not necessary if you carefully protect your telescope The beautiful finish of your Zenithstar 61 is not easy t...

Page 8: ...er please contact your WO Authorized Dealer right away for details on a service solution Do not disassemble or attempt repairing your telescope without a written authori zation from William Optics Cor...

Page 9: ...ccessories Finder Scope Airtight Hard Case Flattner 61 Canon Photo Adapter Finder Scope Mounting Bracket XWA 100 110 Eye Pieces 2 Rotolock Durabright Diaelectric Diagonal Hard Anodized Dovetail Avalia...

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