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Baader 7.5mm / 15mm / 40mm T-2 Extension Tubes

£14.00
SKU 1508155

Availability: Immediate Dispatch

  • Extension tube available in 7.5mm, 15mm and 40mm optical path lengths
  • For obtaining correct spacing between camera sensors and e.g. focal reducers
  • For eyepiece projection with shift/sliding focuser
  • Telescope side T-2 internal thread
  • Focus side T-2 external thread
Description

These extension tubes (spacers) are available in the following widths (optical path lengths)

  • 7.5mm (T-2 part #25C)
  • 15mm (T-2 part #25A)
  • 40mm (T-2 part #25B)

They can be used for various applications including for eyepiece projection with sliding focuser or obtaining the correct spacing between a camera sensor and e.g. field flattener or focal reducer.

Specifications
MANUFACTURER Baader Planetarium
SKU (#) 1508155 (7.5mm) / 1508154 (15mm) / 1508153 (40mm)
WEIGHT (KG) 0.014 / 0.031 / 0.059
OPTICAL LENGTH (MM) 7.5mm / 15 / 40mm
T-2 PART # 25C / 25A / 25B
USAGE for eyepiece projection with sliding focuser
INNER DIAMETER / CLEAR APERTURE (MM) 38
OUTER DIAMETER 46
INNER CONNECTION (LENS SIDED) Thread, T-2 (M42 x 0,75)
OUTER CONNECTION (EYEPIECE/-CAMERA-SIDED) Thread, T-2 (M42 x 0,75)
COMPATIBLE BRANDS Astro T-2, Baader Planetarium
TYPE OF ADAPTER Extension