background image

G

ran

 T

urismo

 71 

User Manual 

Storage and Cleaning

•  We suggest placing all accessories inside an airtight container with desicca-

tive control. Secondly, remember to store the telescope in a non-humid envi-
ronment, never leave it le build up. Be particularly careful after a night obser-
vation that the lens has no dew on it before storing the telescope away. 

• 

In case the lens surface becomes dusty, smeared, or gets fingerprints or fun

-

gus build-up on it, first of all, remove any surface particle by using an air blowe 
build-up on it, first of all, remove any surface particle by using an air blower, 

then carefully proceed to wiping the lens gently with a lint-free proper soft 
cloth. Use a lens liquid cleaner to get the best cleaning result. Make sure 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 Gran Turismo 71 is not easy to ruin. Nonetheless 

take care of the exterior body tube by wiping it down with a slightly damp soft 
cloth from time to time. Water should be enough to do the job. Please do not 

use any organic solvent on your telescope, for example alcohol, benzene and 
other hazardous chemical as this might ruin it.

A.

 

All WO telescopes are now fitted with a smooth and precise dual speed 1:10 focusing sys

-

tem, it means that for every ten full rotations of the small fine-focus knob the large knob rotates 

once.

B

.

 The focuser drawtube tension can be adjusted using a 3 mm Allen key and tension should be 

adjusted only when necessary by progressively tightening the screw until you reach the desired 

2mm Screw

Draw Tube Locking Screw

B. 

3mm Screw

A.

 10:1 Ratio Knob

Heavy Duty

 

R&P Focuser

Summary of Contents for GRAN TURISMO 71 APO

Page 1: ...GRAN TURISMO 71 APO Owner s Manual ver 1 0 2017 06...

Page 2: ...ontents What is in the Box 3 Specification 4 Telescope Diagram 5 Accessories Map 6 Usage 7 Storage and Cleaning 8 Caution and Safety Optional Equipment 9 Optional Equipment 9 Recommended Accessories 1...

Page 3: ...ran Turismo 7 1 User Manual What is in the Box Soft Carry Case Case Shoulder Strap 1 25 2 Adapter GT71 APO Telescope Aluminium Knob Protection Cap 2 Mounting Rings Dovetail Plate 2 Years Warranty Card...

Page 4: ...tive Type 3 elements Air spaced with FPL53 glass Lens Shade Retractable R P Focuser 2 5 360 Rotating Camera angle Adjuster 1 10 fine focus 1 25 Adapter Field Stops Baffles Type of mount Includes mount...

Page 5: ...Shield 3 Main Tube 4 Mounting Rings 5 Dovetail Plate 6 R P Focuser 7 10 1 Ratio Fine Knob 8 Fine Knob Protection Cover 9 Temperature Gauge 10 Three lock screws 11 1 25 inch Adapter 12 1 25 inch plast...

Page 6: ...Gran Turismo 71 User Manual Accessories Map GRAN TURISMO 71 APO EQ Mount 1 25 Eyepiece...

Page 7: ...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 whic...

Page 8: ...ur 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 Gran Turismo 71 is not easy to ruin None...

Page 9: ...ter 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 Co...

Page 10: ...Gran Turismo 71 User Manual Recommended Accessories 2 Rotolock Durabright Diaelectric Diagonal Finder Scope EQ Mount Flattner 6 for GT71 Finder Scope Mounting Bracket XWA 100 110 Eye Pieces...

Reviews: