Cloud Break Optics

Star Analyser Spacer

Star Analyser Spacer - Main image
$8.84 $13 In stock

Category: Astrophotography Accessories

Use a spacer to increase the distance between your camera sensor and your Star Analyser.

If you mount the grating too far away, the whole spectrum will not fit in the camera frame and sensitivity is reduced as well. .

If you mount a grating too close to your camera, you may lose resolution.

Read more about spacers here: link.

Use our calculator to determine the best mounting distance of your Star Analyser grating: www.rspec-astro.com/calculator.

In some cases, adding one or two of our 10 mm spacers may produce spectra with a bit more resolution. 

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Richard A. ★★★★★

Picked this up to push the grating further from the sensor, and now the full spectrum fits neatly in frame without cropping. The threads are machined cleanly, so it screws on without any wobble or tilt. Exactly what I needed to stop chasing focus issues.

Steven C. ★★★★★

Finally got the spacing dialed in, and this spacer solved the problem of my spectra being cut off at the edges. The metal threads are precise and screw on smoothly, making alignment much easier than my previous makeshift setup.

Miles ★★★★★

I was worried my Star Analyser wouldn’t fit the full spectrum in frame, but this spacer solved it perfectly. The 2mm spacing let me capture sharp, wide hydrogen-alpha lines without any vignetting.