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SPECIFICATIONS
The specifications are subject to change without notice.
M o d e l
O p t i c a l D e s i g n
E f f e c t i v e A p e r t u r e ( D )
F o c a l L e n g t h ( F )
F o c a l R a i t o
L i g h t G a t h e r i n g P o w e r
R e s o l v i n g P o w e r
L i m i t i n g M a g n i t u d e
D r a w t u b e D i a m e t e r
T h r e a d s
P u s h f i t
T u b e L e n g t h
O u t e r T u b e D i a m e t e r
T u b e W e i g h t
A c c e s s o r i e s
T o t a l W e i g h t
COLLIMATION
T h e o p t i c s o f t h e t e l e s c o p e s a r e a l i g n e d c o r r e c t l y a t V i x e n ' s f a c t o r y b e f o r e s h i p m e n t . I t i s r a r e t h a t t e l e s c o p e s
go out of alignment, unless its tube is knocked strongly. Please contact a Vixen dealer in your area for repair or
re-collimating if your Vixen telescope is out of collimation.
Examine the Collimation
Select a second- or a third-magnitude star and place it the center of the telescope's field of view by using
a moderately high power eyepiece. Focus the star precisely. And then defocus slightly and you will look
for striped patterns that surround the star.
telescope is properly aligned.
C o l l i m a t e d p r o p e r l y
I n F o c u s
R 2 0 0 S S N e w t o n i a n R e f l e c t o r
P a r a b o l i c M i r r o r , M u l t i c o a t e d
2 0 0 m m
8 0 0 m m
1 : 4
8 1 6 x
0 . 5 8 a r c s e c o n d s
1 3 . 3
6 4 m m
6 0 m m , 4 2 m m f o r T - r i n g
3 1 . 7 m m
7 0 0 m m
2 3 2 m m
5 . 3 k g ( w / o a c c e s s o r i e s )
7 x 5 0 F i n d e r S c o p e w i t h i l l u m i n a t e d r e t i c l e
T u b e R i n g s
D o v e t a i l T u b e - P l a t e
(The 7x50 finder and dovetail tube-plate may not be included in your particular model.)
7 . 2 k g
If the striped pattern can be seen as a concentric image, your
O u t o f F o c u s
4
M i s s - c o l l i m a t e d
I n F o c u s
O u t o f F o c u s
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