Specifications; Optical Tubes - Vixen PORTA II Instruction Manual

Specifications

Mount
Altitude (Vertical) Motion
Azimuth (Horizontal) Motion
Optical Tube Attachment
Max. Loading Weight
Tripod
Adjustable Length
Total Weight (Inc. Tripod)
II
The PORTA / MINI PORTA altazimuth mount features simple altitude (vertical) and azimuth (horizontal) motion controls
designed to easily point a telescope tube to the object you want to view.

Optical Tubes

Model
Precision Spherical
Objective Design
Effective Aperture
Focal Length
Focal Ratio
Light Gathering Power
Resolving Power
Limiting Magnitude
Drawtube Diameter
Threads on Focusing Tube
Eyepiece Push-fit
Optical Tube Length
Optical Tube Diameter
Optical Tube Weight
Finder Scope
Eyepiece (Lower Power) N P L 2 0 ( 5 3 x )
Eyepiece (Higher Power) N P L 6 ( 1 7 5 x )
Flip Mirror
Diagonal Prism
Tube Rings
Dovetail Tube Plate System
= Supplied
II
PORTA Altazimuth Mount
Whole-circle Fine Motion and Quick Slewing Motion
Whole-circle Fine Motion and Quick Slewing Motion
Dovetail Tube Plate Attachment System with Safety Screw
About 5 Kgs.(11 lb)
Two-section Aluminum Legs with Accessory Tray
Adjustable from 90cm to 130cm in length
5.7 Kgs.(12.5 lb)
(Your optical tube may differ.)
V M C 9 5 L V M C 1 1 0 L
Precision Spherical A c h r o m a t i c
M i r r o r M i r r o r
9 5 m m 1 1 0 m m
1 0 5 0 m m 1 0 3 5 m m
f / 1 1 f / 9 . 4
1 8 4 x 2 4 7 x
1 . 2 2 " 1 . 0 5 "
1 1 . 7 1 2 . 0
- -
4 2 m m 4 2 m m
3 1 . 7 m m 3 1 . 7 m m
3 5 5 m m 3 6 0 m m
1 0 6 m m 1 1 9 m m
1 . 9 K g s 2 . 1 K g s
D o t F i n d e r D o t F i n d e r
N P L 2 0 ( 5 2 x )
N P L 6 ( 1 7 2 x ) PL6.3 (143x)
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MINI PORTA Altazimuth Mount
About 3.5 Kgs. (7.7 lb)
Adjustable from 70cm to 130cm in length
2.8 Kgs.(6.17 lb)
A 7 0 L f A 8 0 M f
A c h r o m a t i c
L e n s L e n s
7 0 m m 8 0 m m
9 0 0 m m 9 1 0 m m
f / 1 2 . 9 f / 1 1 . 4
1 0 0 x 1 3 1 x
1 . 6 6 " 1 . 4 5 "
1 1 . 0 1 1 . 3
4 0 m m 4 4 . 5 m m
4 2 m m 4 2 m m
3 1 . 7 m m 3 1 . 7 m m
8 6 5 m m 8 6 0 m m
7 6 m m 9 0 m m
1 . 9 K g s 2 . 5 K g s
6 x 2 4 m m 6 x 3 0 m m
PL20 (45x) PL20 (46x) PL20 (33x)
PL6.3 (144x) PL6.3 (103x)
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Note : The above specifications are subject to change without notice.
5
Before Use
R 1 3 0 S f E D 8 0 S f
P a r a b o l i c Apochromatic Apochromatic
M i r r o r L e n s
1 3 0 m m 8 0 m m
6 5 0 m m 6 0 0 m m
f / 5 . 0 f / 7 . 5
3 4 5 x 1 3 1 x
0 . 8 9 " 1 . 4 5 "
1 2 . 3 1 1 . 3
4 0 m m 6 4 m m
4 2 m m 60mm, 42mm 60mm, 42mm
3 1 . 7 m m 50.8mm, 31.7mm 50.8mm, 31.7mm
5 7 2 m m 5 7 0 m m
1 6 0 m m 1 0 0 m m
4 . 0 K g s 3 . 4 K g s
6 x 3 0 m m 9 x 5 0 m m
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-
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E D 1 0 0 S f
L e n s
1 0 0 m m
9 0 0 m m
f / 9 . 0
2 0 4 x
1 . 1 6 "
1 1 . 8
6 4 m m
8 8 0 m m
1 0 0 m m
3 . 7 K g s
9 x 5 0 m m
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