Takahashi TSA-102 Instruction Manual

TAKAHASHI

Super

Apochromat

TSA-1D2

INSTRUCTION

MANUAL

TAKAHASHI

Thank you very much

for

your purchase

oltha

Takahashi T5A-l02 apochro-

matic refractor. Your first view

will

show

II

color·frae, high contrllst

image

with pin potnt stars.

You

arll

now

ready

to

use your

TSA

bolh Yisually and for

Imagmg.

In

order

to

use

your TSA.l02

to

the limit of

itl

capabilitilll, plll8se read this

instruction manual carefulty

and

familiarize yourself with

all

the features

and

functions

of

this

instrument.

The TSA-l02

has

been

inspected

by factory

technicians before shipment.

If the instrument should

need

service. please

contact your local Tllkahashi distributor for authorized service.

it.

WARNING

I

I

NEVER

TRY

TO

OBSERVE THE

SUN

THROUGH

THIS

TELESCOPE

WITHOUT

THE

PROFESSIONALLY

L!'.DAN~

DESIGNED

FILTER FOR

THE

PURPOSE

OF

SOLAR

OBSERVING.

DIRECT

VIEWING

OF

THE

SUN

WILL

li§)I'

CAUSE

INSTANT

BLINDNESS.

KEEP

THIS

TElE.

SCOPE

OUT

OF

THE

REACH

OF

CHILDREN.

COVER

FINDERS

WITH A SMALL

SUN

FILTER

IF IT

IS

USED.

&

CAUTION

• The TSA-102 has been collimated

by

highly trained technicians. If you feel

your instrument

is

out

of

collimation. please contact your local distri bulor

for

SIIlVice.

• l(eep the lens cap on the

TSA

when not

in

use. Thil

WIll

help prevent dust

from

collecting on the surfce

of

the lenl.

• Should cleaning

be

necessary, please contact

y()Ur

local distributor before

proceeding lor the correct procedure

for

cleanmg the len. lurf&ce.

• Never remove the lens celilrom the

TSA.

Doing

10 will void the 5-yell'

war_

ranly.

If

SIllVice;s needed, please

COl1l3Ct

yOU!

local diSlributor.

- 2 -

Table

of

Contents

Warning & Caution ....·,..· · ····················2

Specifieations ···················· · · 3

Tube Assembly Layout

..·..

· ·

.. ··..

· ·

····4

What is

the

TSA-102 ················ ..··..·,..·..··..··..,5

Attaching Finder & Tube

Assembly

6 - 9
Finder Alignment 10·11
Observation , , ··12-13

Accessorie5

fOf

PhotoNlSUal Application

14-1

9

Care & Maintenance 20
System

Chan

············..···························21-23

SPECIFICATIONS

II

II

========:!

Effective Aperture _ 102mm
Focal Lenglh

816mm

Focal Ratio 1:

8.0

Focal Lenglh'wtth

reducer

610mm

Focal RaIla wilh

reducer

_............

I:

6.0

AesovlngPower

1.14

w

Limiting Magnitude 12.0
Light Gathering Power 212X

Image

Circle with 35Flallerlflr

til

40mm

Photogr.phic

"'",Id with 35Flattener 2.S"

Im.ge

Circle with Reducer

dJ

50mm

Pholographic Field with Reducer 4.7"
Diameter

of

M.in

Tube 114mm

Total Length of

M.ln

Tube

890mm

(When

Ihe

lenl

shade

is

relf.cted]

790mm

Weight

of

Main Tube

Assembly

·....

.bl.

5.4kg

Finder

Scope

7KSO

6.3'

-

3-

'ow.i

....

Knob--_~

~Iinc($)

711

25-])

~

____

Findo. Brocket

,::::j~-Drnt"'"

lock

Kob

~---Ocul.r

Adopter

(50,

B{2-]l

Tube

Assembly

Layout

II

II

=======!I

•

TSA-l02S

0..

Shi.ld

Cove,

!leo

Shield

___

/Dn

Shlold

Loel<

Ser

..

~

LOllI

Sh8ClI

Rilll

AI ~ '

....

'1M

Ocul., AdIPtor(31

-.

Fig. 1

-

--

11,=====w=ha=I=,s=lh=e=T=sA=-=10=2=?===="11

TlIkllhuhi

hll5

designed

II

new

triplet

apochromllL This design

pI3ce,

the

ED

ele-

menl

in

the middle position. The TSA de·

sign reduces color lIberrlltionHhe halo in F

and 9 lines)

10

l/Jrd

that

of

II

Iluorite

:

:::::

.

llpochrom81.

The TSA

has

been

de$igned

10

ill'lltging

ap-

plication. using

1I

ceo.

OSLR

cameral when

used

with the

TOA

reducer

and

35-Flanener.

The 35·Flllnener

produces

10

mk:ron

mrs

•

-

•

-

.-

laota.

35mm photographic field, while the

reducer

P4'oduees.

nit

field with

10

micron

Spot

0--

....

loy

photol

........~ ..,.10

118r.

in

the middle.

........_-""'~-

The TSA-102

lIthe

first

in

1I

series

of

com-

..

-

PIlCI,

Colof.Ifea light

wieghlllpochrOffilltic

~

•

refractor

•.

Spot

o..v-

by

ohotov

.,.10

..............

__

.......

.-

-,-

,ei

-er

mb'y

eA

rf

you

have purchased

the

TSA-1

02

as a set

or

purchased

the

finder

and

brBlcket,

the

finder nd bracket Ihave been

shipped

unat-

tached.

Use the allowing instructions

to

at

tach and align the finder.

Attac ing

he

Fnder

Place

the

fi

der

bracke

over

the

two

holes

Fig.2

o:n

the

left

side

of

he focus,e

lmd

attach

the

bracket

with

he Allen

screws

supp

'ed

with

the

finder

bracket. M ke certain

that

Lock

Nu

the

screws are

fghtened

sufficiently

to

keep

the

fi

ndar

bracket

hom

moving

the

reby

7

misaligning

the

finde

.

Be

ore

il1sertinge

111

der

in 0 e

finde

bracket,

using standi;! rd

cellopha

e

tape,

place a

double

layer

of

this tape

around

the

Fig,3

finder

where

the

three

set

screws

located

AI

Ien

wrencn

in

the

front

of

the

finder

bracket

wll

com

.

Tube holder

con

ae

with the finder. This

wTl

help

pre-

i

to

r

C.pBo~

vent

the

mder tube

from

eing schra ched

by

the

screws. Loos·en

the f om

and

rear

:/

finder

bracket screws. Loosen

the

front

and

rear find

er

bra ckat scraws. Carefu

IIy'

se

the

finder

intol e

racket

alnd

hold

the

finder

as par lIel

as

possible

to

the

tube as-

sembly

when

the

finder

bracket

screws

are

tightened a:round

hefindar.

This wil make

alignment

easier.

If

ill,

finder iliumin:ator will

be

used.

remove

the

chromed

cap

screw

located

in

fran

of

eyepiece. Refer to Fig. 2 &

3.
Fig.4

A 19nment Screw

/

-6-

• Attaching Ihe Tube

Assembly

to

the

Mounl

Attach

the

tube

holder to the

mount

using

the

Bmm Allen

screws

supplied

with

the

tube

holder

as

shown

in Fig. 4. The

lube

assembly can lhen be placed ;nlo the lUbe

holder

and

secured

with the lock nut after

the clam shell has been closed over the tube
assembly. This tube holder can be used with
all

Takahashi moonlS.1f astro imaging

Is

one

oflha

uses. then the heavier duty the

moolr1.

Ihe better.

In

the case

of

the T5A·1025, this

woold be the Takahashi EM-200 mount.

The

correct

way

to

altach the lUbe holder

to the moonl

is

to use the Allen screws pro-

vided with Ihe

rube holder. After

placing

the

It.Jbe

assembly into Ihe tube holder, the next

step

ill balancing. Refer 10 fig.

5.

Now

that the Insuument has been attached

to

the

mount,

it

will be

necessary

10 bal·

ance

the

load

in

the

R.A.

and

Ihe Dec.

The

'irll

IIep

is

to

clamp

the

R.A.

and

unclamp the Dec. Hold the tube

01

the tele-

scope

in

the event

It

is

oot

of

balance. Then,

loosen

the

tube

clamp slightly

so

that

the

tube

can

be

moved in either direction. Move

the tuba

In

either direction until

it

balances.

When

the

tube

is

balanced,

tighten

the

clamp.
Nexl,.loosen

the

R.A.

clamp, and tlghtllflthe
Dec. clamp. Unclamp the counter·weightlll
and

slide them

in

either direction until

the

package

is

balanced.

o

..

•

How

To

Retract

The

Lens

Shade

The Lens

Shade

of the TSA-102S

i'

rellaet-

able. When

the

TSA·102S

is

to

be

Ilani'

ported. retract

the

lens

shade

until

it

resla

on

the

ring installed

in

the

tube

assembly

for

that

purpose.

The

shade

can

be

Ill·

tended

when

the

TSA-l02S

Is

used,

1.

Remove the

«Ip

Of

the

dew

Ihield.

2.

Loosen

the

two

lock

Ic,eWl.

J.

Extend

the

daw Ihleld.

•.

Turn

the

mung

SCr,WI

until

they

mak,

Conl8Ct.

Fil.6

[Caut ion)

Remove the

lenl

shade

cap before moving

the Lens $hade. The

fit

is tight

enough

to

blow

the

lens

shade

cap

off of

the

Lens

shade

and

it

allows the lens shade to move

easier.

-

7-