|
Model
|
Load Capacity
|
Telescope Application
|
Diameter of Axes
|
Worm Gears
|
Mount Weight**
|
|
MI-500
|
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|
German Equatorial
|
180 pounds, 82 Kg
|
6 to 8 inch refractor, 12 to 16 inch Cassegrain or Newtonian | RA: 100 mm (3.937 inch) Dec: 80 mm (2.953 inch) |
Aluminum RA*: 12.2 inch, 360 tooth, (Bronze RA optional) Aluminum Dec:10.1 inch, 300 tooth, |
200 pounds*, 91 Kg
|
|
Equatorial Fork
|
120 pounds, 55 Kg
|
190 pounds, 86 Kg
|
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|
MI-750
|
|||||
|
German Equatorial
|
300 pounds, 136 Kg
|
8 to 12 inch refractor, 16 to 20 inch Cassegrain or Newtonian
|
RA: 120 mm (4.724 inch) Dec: 100 mm (3.937 inch) |
Aluminum RA*: 15.2 inch, 450 tooth, (Bronze RA optional) Aluminum Dec:12.2 inch, 360 tooth, |
270 pounds*, 123 Kg
|
|
Equatorial Fork
|
180 pounds, 82 Kg
|
260 pounds, 118 Kg
|
|||
|
MI-1000
|
|||||
|
German Equatorial
|
480 pounds, 218 Kg
|
10 to 16 inch refractor, 18 to 24 inch Cassegrain or Newtonian | RA: 160 mm (6.299 inch) Dec: 120 mm (4.724 inch) |
Bronze RA*: 20.2 inch, 640 tooth Aluminum Dec:15.2 inch, 450 tooth |
480 pounds*, 218 Kg
|
|
Equatorial Fork
|
300 pounds, 136 Kg
|
470 pounds, 214 Kg
|
|||
| * Counter-weights not included | ** Weights are approximate | ||||
| German Model |
Upper Flange Diameter
|
Length
|
Counter-weight shaft
|
Counter-weights*
|
Declination Weight**
|
| MI-500G |
7 inches
|
24 inches
|
1.5 diam. by 24 inches,
8 threads per inch |
50 pounds, 18 Kg
(2 weights) |
90 pounds*, 36 Kg
|
| MI-750G |
8 inches
|
30 inches
|
2.0 diam. by 24 inches,
8 threads per inch |
75 pounds, 23 Kg
(3 weights) |
125 pounds*, 55 Kg
|
| MI-1000G |
10 inches
|
40 inches
|
2.5 diam. by 24 inches,
8 threads per inch |
100 pounds, 32 Kg
(4 weights) |
225 pounds*, 100 Kg
|
| * Variable depending on telescope weight | ** Weights are approximate | ||||
| Fork Model | Fork Flange Diameter |
Separation between Arms*
|
Axes to bottom of Fork
|
Overall Height
|
Fork Weight**
|
| MI-500F |
7 inches
|
14 to 20 inches
|
19 inches
|
25 inches
|
70 pounds, 36 Kg
|
| MI-750F |
8 inches
|
18 to 28 inches
|
23 inches
|
30 inches
|
120 pounds, 55 Kg
|
| MI-1000F |
10 inches
|
24 to 34 inches
|
30 inches
|
36 inches
|
220 pounds, 100 Kg
|
| * Machined to fit customer's optical tube assembly | **Weights are approximate | ||||
| Polar Cone and Base |
Base Diameter
|
Azimuth Adjustment
|
Altitude Adjustment
|
Latitude Range*
|
Height
|
Weight**
|
| MI-500 |
10.5 inches
|
8 degrees
|
10 degrees
|
28 to 52 degrees
|
16 inches
|
100 pounds, 45 Kg
|
| MI-750 |
14 inches
|
8 degrees
|
8 degrees
|
28 to 52 degrees
|
21 inches
|
140 pounds, 64 Kg
|
| MI-1000 |
15 x 21 inches
|
6 degrees
|
6 degrees
|
28 to 52 degrees
|
28 inches
|
240 pounds, 109 Kg
|
| * 20 to 60 degree range available as a special order | ** Weights are approximate | |||||
Last Updated: January 20, 2007
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