Vixen SD Series Bedienungsanleitung

Instruction Manual for

Apochromatic Refractors

PREFACE

This manual describes the SD81S, SD103S and SD115S apochromatic refractors. You may occasionally find descriptions in

the text not relevant to your particular model. If you purchase the product with a telescope mount as a complete package, be

sure to read the instructions for your mount along with this manual.

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.

If the knobs to tighten the tube rings interfere with a telescope’s mount, replace the knobs with the supplied M6X18mm bolts.

Unscrew the knobs on the tube rings to remove. Replace them with the M6X18mm bolts. Then, tighten the bolt with the supplied

Allen wrench moderately. It is not necessary to tighten the bolts securely.

About the M6X18mm bolts supplied with the SD81S

M6X18mm bolts Allen wrench of 5mm Knobs of the tube rings M6X18mm Bolts for replacement

CONTENTS

The SD shipping box contains the items listed below. Check if all the items are included.

In Case of SD81S

SD81S Optical Tube

Flip Mirror Diagonal

XY Red Dot Finder II Body

Low-profile Mount for the finder

M6X18mm bolts

Allen wrench of 5mm on a side

Instruction manuals for the optical tube and accessories

In Case of SD103S and SD115S

SD103S or SD115S Optical Tube

Flip Mirror Diagonal

7X50mm Finder Scope with illuminated reticle

50mm XY Finder Bracket II

O ring

Instruction manuals for the optical tube and accessories

Drawtube Lock Screw

Dovetail Tube Plate or Dovetail

Slide Bar M for SD81S

Finder Bracket Shoe

Metal Carry Handle

(With 1/4 inch camera screw)

Eyepiece Adapter 31.7mm

(An eyepiece projection camera

adapter sold separately can be

attached to the top part.)

Flip Mirror Diagonal

(Threaded to fit a 42mm T-ring)

Tube Rings

Drawtube

Eyepiece Setscrew

Focus Knob

Rack-and-Pinion Focuser

Objective Dew Shield

Objective Lens

(Inside)

Finder Bracket Lock Screw

Dovetail Slide Bar M

NAME OF EACH COMPONENT

EXAMPLE: SD103S

SD81S

D=103mm f=795mm

MADEIN JAPAN

SUPEREXTR A-LOWDISPERS ION OPTICS

SETTING UP THE TELESCOPE

Loosen the finder scope bracket lock screw on the finder bracket

shoe of the optical tube. Attach the 7X50mm finder scope (or XY

Red dot finder for SD81S) as shown in the figure. Tighten the

finder bracket lock screw securely.

Attach the Finder Scope

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.

For usage, refer to the instructions for your finder scope.

Use of 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 mounted optical tube into the dovetail

mounting block as shown in the figure. Tighten the dovetail

lock screw (centered on the notch) onto the dovetail tube plate

until snug. First tighten the dovetail lock screw, and then

tighten the small chrome safety screw onto the dovetail

mounting block until snug.

Refer to your mount instructions as to balancing the optical

tube.

Attach the Optical Tube Assembly to the Mount Objective Dew Shield

Tube Ring

Objective Lens

(inside)

Dovetail Tube Plate

Safety Screw

Dovetail Plate

Lock Screw

Finder Bracket

Lock Screw

Finder Bracket

7X50mm Finder Scope with

illuminated reticle

Drawtube Lock Screw

Focus Knob

Metal Carry Handle

(SXD2 mount and SD103 optical tube shown here.)

Refer to your mount instructions along with this manual.

EA60mm to 50.8mm SX

(supplied)

EA60mm to 50.8mm SX

(supplied)

Extension Tube VC

Eyepiece 31.7mm

Eyepiece 50.8mm

Flip Mirror Diagonal

(supplied)

Drawtube Lock Screw

(used to hold the drawtube tightly)

VISUAL OBSERVING

The optical tube assembly requires an eyepiece to view images.

The eyepiece determines magnification of your telescope.

The optical tube assembly does not come with the eyepiece as

standard accessory unless you purchase a complete telescope

package.

Eyepiece Visual Observing Configuration

Focusing the Telescope

Dividing the focal length of the telescope by the focal length of the

eyepiece gives the magnification.

Example:

Using the optical tube unit with SLV20mm or SLV5mm eyepiece.

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.

Lookthoughthetelescopewithan

eyepieceoflowmagnification.

Turnthefocusknobforwardor

backwardasshowninthefigure

untilimagesintheeyepieceʼsfield

ofviewcometofocusclearly.

Magnification of the Telescope

Eyepiece

SLV20mm

SLV5mm

Telescope’s focal length

625mm (SD81S)

795mm (SD103S)

8 9 0 m m ( S D115 S )

625mm (SD81S)

795mm (SD103S)

8 9 0 m m ( S D115 S )

Eyepiece’s focal length

20mm

5mm

Magnification

31.2 5X

39.75X

44.5X

125X

159X

178X

Focus knobFocus knob

Some of the optional accessories shown in this diagram will be needed if you take pictures with a DSLR

camera, a compact digital camera or a CCD video camera.

Photographic Configuration

T-C Ring CCD Video Camera

T Ring

(appropriate to your camera)

T Ring (appropriate to your camera)

The inner ring is removed.

Smartphone

Camera Adapter

Digital Camera Quick Bracket II

LCD monitor

DSLR Camera Body

Eyepiece Projection

Camera Adapter

Eyepiece

31.7mm

Eyepiece

31.7mm

Compact

Digital

Camera

SD81S

SD103S

S D115 S

EA42mm to 31.7mm SX

(part of the Flip Mirror Diagonal)

Spacer Ring SD81

(for use with SD81 only)*2

SD Flattener HD

Filter 52mm*1

*1 A filter may cause ghost if it is attached.

*2 It is included both in SD Flattener

HD Kit and SD Reducer HD Kit.

Reducer HD

EX Tube 66*2

Wide Photo Adapter 60mm

Wide Photo Adapter 60DX for EOS

Flip Mirror Diagonal

(supplied)

EA60mm to

50.8mm SX

(supplied)

60mm

DSLR

Camera Body

Canon EOS

(Canon Rebel)

Camera Body

Smartphone

Flip Mirror Diagonal,

Dovetail Slide Bar M (built-in)

XY Red Dot Finder II

M6X18mm bolts (2 pcs) and a 5mm

Allen wrench

Flip Mirror Diagonal,

Dovetail Tube Plate (built-in)

7X50mm Finder w/illuminated reticle

50mm XY Finder Bracket II

Flip Mirror Diagonal,

Dovetail Tube Plate (built-in)

7X50mm Finder w/illuminated reticle

50mm XY Finder Bracket II

65キ-7-0.05S-(DC1450GA)(M)

Specifications

Objective Lens

Lens coatings

Effective Aperture

Focal Length

Focal Ratio

Light Gathering Power

Resolving Power

Limiting Magnitude

Focuser Design

Threads

Push-fit

Optical Tube Length

Outer Diameter

Weight

Objective Lens

Focuser

Dimensions and Weights

Finder Scope

Accessories

SD Apochromatic lens

Multi-coated

81mm

625mm

f/ 7.7

134X unaided eye

1.43 arc sec.

11. 3

Rack-and-pinion focuser

with drawtube lock knob

60mm, 42mm for T ring

50.8mm, 31.7mm

585mm

90mm

3.6 kgs (Net 2.3 kgs)

7.93 lbs (Net 5.06 lbs)

XY Red Dot Finder II (zero power)

SD Apochromatic lens

Multi-coated

103mm

795mm

f f / 7.7

217X unaid ed e ye

1.13 arc sec.

11. 8

Rack-and-pinion focuser

with drawtube lock knob

60mm, 42mm for T ring

50.8mm, 31.7mm

810mm

115 m m

5.4 kgs (Net 3.6 kgs)

11.89 lbs (Net 7.93 lbs)

7X50mm Finder w/illuminated reticle

SD Apochromatic lens

Multi-coated

115 m m

890mm

f/ 7.7

270X unaided eye

1.01 arc sec.

12.1

Rack-and-pinion focuser

with drawtube lock knob

60mm, 42mm for T ring

50.8mm, 31.7mm

930mm

125mm

6.2 kgs (Net 4.4 kgs)

13.65 lbs (Net 9.69 lbs)

7X50mm Finder w/illuminated reticle

Model SD81S SD103S SD115 S

5-17-3 H i gashitokorozawa,Tokorozawa,Saitama359-0021, Japan

Phone +81-4-2944-4141(International)

F a x +81-4-2944-9722(International)

https://www.vixen.co.jp

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