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Categories
Astronomy
(83)
Telescope accessories
(83)
Adaptors
(83)
Extension tubes
(35)
Extension & reduction adaptors
(42)
Other Adaptors
(6)
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Optical length
Optical length
The optically effective length of the component.
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4-9
(1)
0
(15)
0,1 - 2,0
(3)
0,3
(4)
0,3, 0,5, 1
(2)
0,5
(7)
0,5/0,8/1
(2)
0,6
(1)
0,6-1,4
(1)
0,65
(1)
0,8
(1)
1
(19)
1,0
(3)
1,05
(1)
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(1)
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(1)
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(4)
1,5
(9)
1,8
(1)
10
(15)
11
(7)
11,5
(1)
12
(5)
12,5
(1)
12,7
(1)
13
(1)
13,2
(1)
15
(10)
15 - 20
(2)
16
(1)
16,5
(2)
16-20
(1)
17
(3)
17 - 23
(1)
17,8
(1)
2
(11)
2,0
(1)
2,1
(1)
2,5
(3)
20
(3)
20,5 - 30
(1)
20,5 - 31
(1)
21
(4)
22
(1)
22,5
(1)
23,5 - 27
(1)
23,8
(1)
23-30
(1)
24
(1)
25
(8)
26
(1)
26,5
(1)
3
(6)
28
(1)
3,5
(2)
30
(13)
4
(10)
5
(23)
6
(5)
7
(13)
8
(12)
9
(5)
31
(2)
32 - 38
(1)
35
(7)
36,5
(2)
36,6
(1)
37,5
(2)
4,5
(2)
40
(8)
40,5
(1)
41
(2)
44
(1)
45
(1)
45,3
(1)
47
(3)
5,2
(1)
5,3
(1)
50
(5)
55
(1)
6,5
(1)
60
(1)
67
(1)
7,5
(10)
7,5 - 30
(1)
7/14/28
(1)
8,5
(1)
8,6
(1)
80
(1)
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Artesky
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ASToptics
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(3)
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(33)
ZWO
(1)
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"
(3)
3,3"
(1)
M100
(1)
M28
(1)
M35
(1)
M43
(1)
M48
(9)
M52
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M56x0.75
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T2
(22)
Connector (other end)
Connector (other end)
Eyepieces, camera adapters or other accessories can be connected at the accessory end.
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2"
(1)
M35
(1)
M43
(1)
M48
(10)
M48x0.75
(2)
M49
(1)
M54
(11)
M58
(1)
M68
(15)
M72
(1)
M72x0,75
(1)
S54
(1)
SC Thread
(2)
T2
(23)
T2 (M42x0,75)
(1)
Price
< 60 $
(60)
60 - 120 $
(20)
120 - 180 $
(3)
Availability
in stock
(30)
short-term
(52)
long-term
(1)
Categories:
Astronomy
>
Telescope accessories
>
Adaptors
Optical length:
4-9
Products 73 - 83 of 83
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Baader
Adapter M68 to 2" UNFi Conversion Ring
$ 60.00
ready for shipping in
1-2 weeks
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TS Optics
Adapter 2" / T2
$ 65.00
ready for shipping in
1-2 weeks
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TS Optics
Adapter M69/M68
$ 55.00
ready for shipping in
1-2 weeks
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Artesky
Extension tube T2 7.5mm
$ 23.90
ready for shipping in
3-5 weeks
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Artesky
Extension tube T2 8mm
$ 23.90
ready for shipping in
3-5 weeks
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Artesky
Extension tube T2 6mm
$ 23.90
ready for shipping in
3-5 weeks
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Artesky
Extension tube T2 5mm
$ 23.90
ready for shipping in
3-5 weeks
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Artesky
Extension tube T2 4mm
$ 23.90
ready for shipping in
3-5 weeks
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TS Optics
Adapter M72 / M54
$ 45.90
ready for shipping in
1-2 weeks
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PegasusAstro
Adapter IndigoOAG M54
$ 29.90
ready for shipping in
1-2 weeks
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TS Optics
Adapter M57/T2 Adaptors
$ 41.90
Product can be shipped as of
16.12.2026
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