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Categories
Astronomy
(3)
Telescope accessories
(3)
Adaptors
(2)
Focusers
(1)
Show main categories
Optical length
Optical length
The optically effective length of the component.
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20
(3)
-65
(1)
0
(11)
0,1 - 2,0
(1)
0,3
(2)
0,3, 0,5, 1
(1)
0,5
(3)
0,5/0,8/1
(1)
0,6
(1)
0,6-1,4
(1)
0,65
(1)
1
(15)
1,0
(2)
1,1
(1)
1,2
(1)
1,5
(5)
1,5 & 22,5
(1)
10,1
(1)
10,5
(1)
10,8
(1)
2
(16)
10
(18)
11
(9)
12
(6)
13
(1)
15
(7)
16
(4)
16.5
(1)
17
(2)
18
(3)
19
(1)
21
(3)
22
(1)
100
(1)
110
(14)
113
(1)
12,4 & 17,4
(1)
12,5
(3)
120
(2)
125
(2)
13,2
(1)
15 - 20
(2)
16-20
(2)
17 - 23
(1)
17,3
(1)
19,5
(1)
196,70 & 207,70
(1)
2,0
(1)
2,1
(1)
2,25
(1)
2,5
(5)
20,5 - 30
(1)
20,5 - 31
(1)
22,7
(1)
23,8
(1)
23-30
(1)
23-36
(1)
3
(8)
24
(1)
25
(8)
26
(1)
26,5
(1)
27-30
(1)
28
(2)
29
(1)
3,5
(2)
4
(10)
30
(12)
30,5
(1)
31
(2)
32
(1)
32 - 38
(1)
33
(1)
33,9
(1)
35
(7)
36,5
(1)
36,6
(3)
37
(1)
37,5
(2)
38
(1)
38,5
(1)
4,3
(1)
4,5
(1)
40,5
(1)
5
(10)
6
(4)
7
(5)
8
(5)
9
(5)
40
(8)
41
(2)
42
(1)
42,3
(1)
43
(1)
43-53
(2)
44
(1)
45
(1)
45,3
(1)
47
(3)
47,5
(1)
48
(2)
49
(1)
5,2
(1)
5,5
(1)
50
(6)
50,5
(1)
51
(1)
51,5
(1)
55
(4)
57
(1)
58 (2") & 50 (M54)
(1)
6,2
(1)
6,5
(1)
60
(1)
63-97
(1)
64
(2)
65
(1)
66
(1)
7,5
(4)
7,5 - 30
(1)
7/14/28
(1)
73
(1)
75
(1)
78
(1)
8,3
(6)
8,4
(1)
8,5
(1)
8,6
(1)
80
(3)
84
(1)
85
(1)
87,5
(1)
9,50 - 10,25
(1)
9,8
(1)
90
(1)
90-125
(1)
93,5
(1)
94
(1)
99
(1)
> -30
(1)
>90
(1)
min 18
(1)
Select multiple items
Manufacturer
Omegon
(1)
TS Optics
(2)
Connection (to the telescope)
Connection (to the telescope)
Specifies the product's connection or connection thread on the telescope connection end. The same adapter dimension must always be available on the telescope.
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2"
(1)
T2
(1)
Price
< 60 $
(3)
Availability
in stock
(1)
short-term
(2)
Search results for:
2
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Categories:
Astronomy
>
Telescope accessories
Optical length:
20
Products 1 - 3 of 3
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TS Optics
T2 extension ring, optical path 20mm
$ 24.90
ready for shipping in
3-7 days
Omegon
20mm extension for 2" Crayford-focuser
$ 19.90
ready for shipping in
24 h
TS Optics
2" extension tube with filter thread on both ends, 20mm optical path
$ 33.90
ready for shipping in
3-7 days
