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Astronomy > Telescope accessories > Adaptors > Extension tubes > Askar > Askar Extension tube Adaptors M54/M48 16-20mm
Product no.: 80945

Extension tube Adaptors M54/M48 16-20mm

$ 232.00 incl. VAT plus shipping costs
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Product description

  • Extension tubes allow you to reach the perfect distance of focal point for photographic use.

In astrophotography, the working distance has a major influence on the quality of the image. Precise adjustment is therefore important. This "Backfocus Adjuster" makes this much easier.

With an average length of 18 mm, the working distance can be adjusted by ± 2 mm.

The adaptor is CNC-milled and has a 0.05 mm precision adjustment. The printed scale makes it easy to use.

Specifications

Capacity

Connection (to the telescope)
M54
Connector (at camera end)
M48
Optical length (mm)
16-20

General

Type
Adaptors
Type of build
Extension tube
Material
Aluminium

Product safety

Manufacturer: SHARPSTAR OPTICS CO.,LTD, 3/F, No.5 building , Science and Technology Center, No.79 Jin-Sui Road,, 314001 Zhe-Jiang, CN, http://www.sharpstar-optics.com
Responsible person: NIMAX GmbH, Otto-Lilienthal-Str. 9, 86899 Landsberg am Lech, DE, [email protected]
Askar Extension tube Adaptors M54/M48 16-20mm
Dimensions
Askar Extension tube Adaptors M54/M48 16-20mm
Example of use

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