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Rokinon 135mm and Sigma ART Ring Systems

Wednesday, August 6, 2025 by Richard Harris

The Nightfall Ring Platform for the Sigma ART 85mm F1.4 lens is built for widefield astrophotography setups that require stability and the ability to mount several components in one place. It is compatible with Canon and Nikon versions of the lens and can hold accessories such as a ZWO Electronic Au...

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Sigma ART lens focusing solution

Tuesday, February 11, 2025 by Richard Harris

Do you own a Sigma ART 85mm lens and need a reliable focus solution? The Nightfall Ring Platform is custom-designed for the Sigma ART 85mm F1.4, providing a seamless, fully integrated imaging setup. This precision mounting system securely accommodates essential gear, including a ZWO Electronic Auto ...

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