Vixen A62SS Manuel utilisateur
Instruction Manual for A62SS
2
PREFACE
This manual applies to A62SS refracting telescope. You may occasionally find descriptions in the text not relevant to your particular model.
Read instructions for your mount along with this manual if you purchase the telescope as a complete package.
Never look directly at the sun with the telescope or its finder scope or eyepiece. Permanent and irreversible eye damage may
result.
Thank you very much for your purchase of a Vixen astronomical telescope.
WARNING
Do not leave the optical tube uncapped in the daytime. Sunlight passing through the telescope or finder scope may cause a fire.
Do not use the product while moving or walking, injuries could result from a collision with objects or from stumbling or falling.
Keep small caps, plastic bags or plastic packing materials away from children. These may cause a danger of swallowing or
suffocation.
CAUTION
HANDLING AND STORAGE
Do not leave the product inside a car in bright sunshine, or in other hot places. Keep away strong heat source away from the
product.
When cleaning, do not use solvents such as paint thinner or similar products.
Do not expose the product to rain, water, dirt or sand.
Avoid touching any lens surfaces directly with your hands. In case a lens becomes dirty with fingerprints or general smears, gently
wipe it using a commercially available lens cleaner and lens cleaning paper or cloth, or consult your local Vixen dealer.
Blow off dust on lenses using a commercially available blower brush.
For storage, keep the product in a dry place and do not expose to direct sunlight.
3
CONTENTS
The A62SS shipping box contains the items listed below. Check if all the items are included.
A62SS Optical Tube
Eyepiece Adapter Unit
Allen wrench of 3mm on a side
(For detaching the finder bracket shoe, if necessary)
Carry soft case
Instruction Manual (This document)
1
1
1
1
1
A62SS Optical Tube
Eyepiece Adapter Unit Allen wrench of 3mm on a side
Instruction Manual
Carry soft case
4
NAME OF EACH PART
4) Crayford Focuser
Provides precise focusing with
no slop or backlash.
(A scale marked on the
drawtube.)
3) 31.7mm Eyepiece Adapter
(Fits an Eyepiece projection camera
adapter.)
5) Drawtube Lock Screw
Do not tighten it too much as it
may cause slippage of the
drawtube.
1) Retractable Dew Shield
Extend it when you use the
telescope.
7) Dovetail
Attachment Bar
2) Finder Bracket Shoe
For Vixen finder bracket
5) Focus Knob
3) Rotatable Focuser
Lock Screw
1) 3/8 inch Thread
Tripod Socket
2) 1/4 inch Thread
Tripod Socket
4) 42mm Thread for
T-ring (inside)
6) Eyepiece
Setscrews
SIDE BASE
41 35
40
14
5
SETTING UP THE TELESCOPE
(Finder scope may be optional at your particular model.)
Loosen the finder scope bracket lock screw on the finder
bracket shoe of the optical tube.
Attach the finder scope (or XY Red dot finder) as shown in the
figure. Tighten the finder bracket lock screw securely.
Attaching the Finder Scope
• Loosen both the dovetail plate lock screw and safety screw
until the tips of these screws no longer extended into the
inner part of the dovetail block.
• Slide the dovetail attachment bar on the optical tube into the
dovetail mounting block as shown in the figure.
• Tighten the dovetail lock screw onto the dovetail tube plate
until snug (centered on the notch).
• First tighten the dovetail lock screw, and then tighten the
small chrome safety screw.
Note: Refer to your mount instructions as to balancing the
optical tube.
Attaching the Optical Tube to the Mount
For the novice telescope user it is difficult to locate a selected
object in the telescope’s field of view at high magnification.
Using a finder scope will make this easier.
Use of the Finder Scope
Objective
Dew Shield
A62SS Optical Tube
Objective Lens
(inside)
Dovetail Attachment Bar
Safety Screw
Dovetail Plate
Lock Screw
Finder Bracket
Lock Screw
XY Red Dot Finder
(Optional)
Prims Diagonal
31.7mm
(Optional)
Drawtube
Focus Knob
6
VISUAL OBSERVING
• The telescope requires eyepieces to view images.
• The eyepiece determines magnification of your telescope.
• The telescope does not come with the eyepiece as standard
accessory unless you purchase a package.
Eyepiece
A62SS Visual Observing Configuration
Dividing the focal length of the telescope by the focal length of
the eyepiece gives the magnification.
Note: Begin with an eyepiece with long focal length (large
number in millimeters). When using an eyepiece with short
focal length, the image becomes dimmer and the range of field
of view becomes narrower. Also the range of sharp focus
becomes smaller.
Magnification of the Telescope
Eyepiece Telescope’s
focal length
Eyepiece’s
focal length Magnification
Example: Using the A62SS (focal length: 520mm) with SLV20mm or SLV5mm eyepiece
SLV20mm
SLV5mm
520mm
520mm
20mm
5mm
26X
104X
Eyepiece 31.7mm
(Optional)
Eyepiece
31.7mm
(Optional)
A62SS
Visual Back 31.7 to 42T
AD
42T to 31.7 AD
Thread for commercially
available 37mm filters
Prism Diagonal 31.7mm
(Optional)
7
Look though the A62SS with an eyepiece of low magnification. Turn the
focus knob forward or backward as shown in the figure until images in the
eyepiece’s field of view come to focus clearly.
Focusing the Telescope
A62SS Photographic Configuration
T-C Mount Ring
(Optional)
T-ring (Optional)
DSLR camera body (Sold commercially)
Eyepiece 31.7mm
(Optional)
Compact digital
camera
(Sold commercially)
Digital Camera Quick
Bracket II (Optional)
Eyepiece 31.7mm
(Optional)
A62SS
Visual Back
31.7 to 42T
AD
Thread for
commercially
available
37mm filters
42T to 31.7 AD
Eyepiece Projection
Camera Adapter
(Optional)
CCD Video
Camera
(Optional)
LCD monitor
(Sold commercially)
Focus Knob
Specifications
Objective Lens
Effective Aperture
Focal Length
Focal Ratio
Light Gathering Power
Resolving Power
Limiting Magnitude
Focuser Design
Threads
Push-fit
Optical Tube Size
Outer Diameter
Weight
Accessories
Model
Achromatic Lens, Multicoated Optics
62mm
520mm
1 : 8.4
78X unaided eye
1.87 arc sec.
10.7
Crayford type focuser with rotatable
mechanism
42mm for T-ring, 37mm for filter
31.7mm
305mm (370mm at fully extended)
75mm in diameter
1.5 kgs / 3.3 lbs
Carry Soft Case,
Allen wrench of 3mm on a side
A62SS
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