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Optical length

7 (6)

0,1 - 2,0 (3)

0,3 (4)

0,3, 0,5, 1 (2)

0,5 (4)

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0,65 (1)

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10 (7)

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16 (1)

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2 (1)

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25 (4)

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3 (4)

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4 (3)

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6 (2)

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9 (3)

35 (4)

37,5 (1)

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40 (7)

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60 (1)

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7,5 (7)

7,5 - 30 (1)

7/14/28 (1)

80 (1)

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Manufacturer

Artesky (1)

ASToptics (2)

Omegon (1)

TS Optics (1)

ZWO (1)

Connection (to the telescope)

M48 (1)

M54 (1)

T2 (4)

Connector (other end)

M48x0.75 (1)

T2 (3)

Price

< 60 $ (6)

Availability

in stock (4)

short-term (2)

ASToptics Extension M48 - 7 mm

ASToptics

Extension M48 - 7 mm

$ 17.90

ready for shipping in 24 h

ASToptics T2 extension tube - 7mm long

ASToptics

T2 extension tube - 7mm long

$ 17.90

ready for shipping in 24 h

Omegon Extension tube Extender 7 mm T-thread

Omegon

Extension tube Extender 7 mm T-thread

$ 29.90

ready for shipping in 24 h

ZWO Extension tube 11mm T2

ZWO

Extension tube 11mm T2

RRP: $ 27.90

Our price:

ready for shipping in 24 h

TS Optics Extension tube 7 mm M54

TS Optics

Extension tube 7 mm M54

$ 43.90

ready for shipping in 1-2 weeks

Artesky Extension tube T2 7mm

Artesky

Extension tube T2 7mm

$ 22.90

ready for shipping in 3-5 weeks