WILLIAM OPTICS P-111-WIFD Refractor Telescope Instruction Manual
- August 23, 2024
- WILLIAM OPTICS
Table of Contents
WILLIAM OPTICS P-111-WIFD Refractor Telescope
Warning
Never aim your telescope or finder scope at the Sun without proper Solar
filters installed on the front of the telescope. Doing so for even a moment
may permanently damage your vision. Proper Solar filters consist of filters
made by reputable manufacturers, designed to fit tightly over the front of the
dew shield. Solar eyepiece filters are not considered safe, and should not be
used. With proper front mounted Solar filters, the telescope will not be
harmed by viewing the Sun.
- Focal Length : 528mm
- Diameter : 111mm
- Aperture : f/4.8
- Focuser : WIFD (WO INTERNAL FOCUS DESIGN) Patented (Compatible with EAF)
- Image Circle : >Full Frame (45mm)
- Retracted Length : 645mm
- Extended Length : 785mm
- Dew Shield Circumference : 493mm
- Dew Shield Diameter : @155mm
- Weight : 17.54lbs / 7.955kg (OTA only) 22.74lbs / 10.315kg (OTA with ring, dovetail and saddle)
NOTE
We are using a new lens cell design in the WO Pleiades series telescopes. This
design incorporates the use of high-quality FPL-53 glass for superior optical
performance. Before storing your telescope, it is crucial to allow it
sufficient time to acclimatize to room temperature. Please ensure that the
telescope is thoroughly dry, free of dew or moisture, before storing. This
ensures the safety and longevity of the telescope’s components. Always store
the telescope in a consistent-temperature and dry environment to prevent any
potential damage to the optical elements. Remember to leave the tube uncovered
and opened during the acclimatization period. As always, taking appropriate
care of your telescope will ensure its optimal performance and extend its
lifespan.
Back Focus
PACKAGE CONTENTS
A. Dust Cover with Bahtinov Mask- B. Dew Shield
- C. Main Tube
- D. Saddle Handle Bar
- E. Camera Angle Rotation Device
- F. Tilt Adapter
- G. Losmandy Style Type
- D Mounting Plate
- H. M54 or M48 Camera Mount Adapter
- I. Soft Carry Case
PARTS
A. Camera Mount Adapter (M54 or M48)- B. Saddle Handle Bar
- C. WIFD Focuser
- D. Dew Shield Locking Screw
- E. Dew Shield
- F. Lens Cover with Bahtinov Mask
- G. Front Bahtinov Mask Cover
- H. Mounting Rings / Knobs
- I. Camera Angle Rotator
- J. Losmandy Style Type D Mounting Plate
- K. 2 Speed 10:1 Ratio Fine Knob
- L. M4 Screw Holes for Finder Bracket
- M. Locking Screws on Saddle Handle Bar (M4)
- N. Camera Angle Rotation Locking Screw
- O. M6 Screw Holes for Finder Bracket
- P. Focuser Adjusting Knob with Thermometer
- Q. Rear Dust Cap (M54 or M48)
TELESCOPE DIAGRAM
R & P GEAR SPACING SCREWS
- Adjustment Screws (3 mm Allen Key) – Pull Screw
- Adjustment Screws (2 mm Allen Key) – Push Screw
- Can be Removed to Attach the Electronic Motorized Device such as EAF (Please refer to the instructions on page 13)
- Tension Screw (Please refer to Note 2)
- Do Not Touch
IMPORTANT NOTE:
- The focuser smoothness adjustment ONLY when necessary by progressively push & pull screws until you reach the desired smoothness.
- When using the telescope with the motor, please ensure that the tension screw is not over-tightened. Over-tightening the tension screw may cause damage to the focuser. Think of it like driving a car and pressing the gas pedal while also pressing the brake simultaneously. Just as this action could harm your car’s systems, over-tightening the tension screw could compromise the functionality of your telescope’s focuser.
OPERATION GUIDE
Where Is the Tilt Adapter?
Use 1.5mm allen key when you need to adjust it.
How to adjust the tilt adapter.
How to Install EAF
Step 1.
Remove the top screw with 2mm Allen key. Step 2.
Release two inner knob screws. Step 3.
Remove the knob. Step 4.
Align the screw holes. Step 5.
Lock two set screws on shaft. Step 6.
Tighten both bracket screws.
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