Feature(may vary by option.)

●Use this 7mm extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners.
●Male thread M42*0.75; Female thread M42*0.7; eliminates a range of focusing problems.
●Idea accessory to link or extend 7mm of the M42*0.75 products
●The extension tube has a T2 interior thread and a T2 exterior thread for elegantly solving spacing problems in astrophotography.
●Fully aluminium anodized black.

[M42-7  & 10  & 15  & 20mm]




[M42-12mm]




[M42-20mm]




[M42-10mm]




[M42-15mm]




[M42-7mm]




[M42-10  & 20  & 30mm]




[M42-30mm]





Description

Celticbird M42X0.75 Male to M42X0.75 Female Thread Telescope Adapter.

  • M42X0.75 female thread on both sides.
  • This is a very high quality anodized aluminum adapter.
  • Converts an M42X0.75 male thread to a M42X0.75 female thread.
  • All metal construction and anodizing aluminium process, durable for long time use.
  • Makes it possible to attach M42X0.75 male thread and M42X0.75 male thread accessories together.

11

T2 Thread Extension Tube

  • Astronomical T2 interior thread and a T2 exterior thread for solving spacing problems in astrophotography.

  • Applied to telescopes for astronomical photography of the mysterious universe. Connect different attachment for different usage. Link or extend tube length of the M42*0.75 Products.

11

M42x0.75 Thread

  • M42x0.75 male thread and M42x0.75 female thread; eliminates a range of focusing problems.

  • The required spacing can be achieved by unscrewing the part of the extension tube. You can adjust the length of the extension tube with male threads and female threads on each parts.