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TS-Optics Carbon Double-Spider for 295-310 mm inside tube diameter

Name: TS-Optics Carbon Double-Spider for 295-310 mm inside tube diameter
Brand: -TS Zubehör
SKU: TSDSP10
Price: 285 EUR
Rating: 5 (1 reviews)

TS-Optics carbon double spider for added stability and less diffraction effects

Carbon fibre double vanes for maximum stability and minimum diffraction

Fits to many secondary mirror cells, for example from TS-Optics, Skywatcher, or GSO

With central bore for M5 or M6 counter-sunk screws

With female threads for 4 collimation screws. 3x M4 knurled thumb screws are included in the scope of delivery

Diameter from female thread to female thread: 293 mm - by using M5 screws of other lengths (not supplied), the spider can be adapted to tubes up to approx. 310 mm inner diameter.

Manufacturer: -TS Zubehör

Product number: TSDSP10

EUR 285,00

incl. 19 % VAT (DE)

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excl. 6.95 € shipping costs (DE)

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rating: 5.0 of 5

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TS-Optics Carbon Double-Spider for 295-310 mm inside tube diameter

TS-Optics carbon double spider for added stability and less diffraction effects

Carbon fibre double vanes for maximum stability and minimum diffraction

Fits to many secondary mirror cells, for example from TS-Optics, Skywatcher, or GSO

With central bore for M5 or M6 counter-sunk screws

With female threads for 4 collimation screws. 3x M4 knurled thumb screws are included in the scope of delivery

Diameter from female thread to female thread: 293 mm - by using M5 screws of other lengths (not supplied), the spider can be adapted to tubes up to approx. 310 mm inner diameter.

Details..
Technical data..
In the box..

TS Double Secondary Mirror Spider made of Carbon Fiber for highest stability and minimal diffraction effects

Due to the double spider vanes of carbon fibre which have 11 mm distance to each other, the stiffness after mounting matches the one of a metal secondary mirror spider with vanes of 5 mm diameter.

The carbon vanes have a thickness of only 0.4 mm. This means minimal obstruction and extremely fine, subtle spikes around the brighter stars. The diffraction effects caused by the spider remain minimal.

Do twin spider vanes cause twin diffraction spikes at the stars?

Of course not! Once you have attained precise focus both spikes will merge into one very fine spike. This image of the Pelican nebula was made with a TS ONTC Newtonian with double-spider.

Double spider vanes as focusing aid:

Twin spider vanes are more sensitive to slight blurring due to inaccurate focusing than a single spider vane. This makes focusing on brighter stars easier. As soon as the spikes are clearly merged to one, focus has been exactly reached. Of course, all popular focusing aids, like a bahtinov mask, also work with the double spider.