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Z

enithstar

 61 

User Manual 

Caution and Safety, Optional Equipment

Optional Equipment

• Caution! Never directly view the sunlight with your telescope.
• Do not aim your Zenithstar 61 at the Sun because this might impair your Loss of eye-

sight can occur when your telescope is not properly protected by solar viewing filter.
(Solar filters can be easily purchased through your WO Authorized Dealers).

Always place the optical telescope assembly (OTA) on a completely flat surface, unsta

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ble placement of telescope may cause it to fall, and if handled without caution, it may
easily injure you and others.

• Never use your telescope under rainy conditions: this telescope is not designed to be

waterproof. If your telescope accidentally gets caught in rain, please wipe down the
water with a dry clean cloth, but if the lens gets totally soaked by water, 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 Corp.: this violates the warranty terms under the limited
product warranty section and invalids any guarantee. Always consult with your local
WC Authorized Dealer or with William Optics Corp. for details on how to service your
telescope.

In order to operate your Zenithstar 61 you will need the following minimum 
equipment:

• A sturdy tripod for astronomical birding usage or a mount (equatorial or ALTAZ).

• A mirror diagonal or erecting prism (The WO 2” Dielectric Durabright Diagonal

is strongly recommended for better results in star observation and digital pho-
tography.

• A top-quality 2” Durabright Diagonal is also available now.

At least one or two good eyepieces (5 to 40 mm wide-field recommended) de

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pending on the application.

• Other accessories depending on the application.

• Finder Bracket, Finder Scope and Field Flattner (Flat 6 for GT71).

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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