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IMPORTANT: Starting May 1st, all orders for products that are made in China, regardless of their value, will be subjected to 145% tariffs when imported in the USA. These fees will be billed to you by the carrier, and are your responsibility.
IMPORTANT: Starting May 1st, all orders for products that are made in China, regardless of their value, will be subjected to 145% tariffs when imported in the USA. These fees will be billed to you by the carrier, and are your responsibility.
  • Baader T-Ring to connect Sony E/NEX DSLR cameras on the Astro T-2 system
  • All Baader Wide-T-rings have an S52 dovetail in addition to the inserted T-2 ring. This allows the T-ring to be modified to an M48 female thread using the S52 / M48 adapter #2958552, or to use the S52 barrel #2958551 without the T-2 reduction. With the S52 / M68 adapter # 2458252, the Wide-T-Ring can be directly attached to an M68 male thread to securely fasten your camera to the widest possible aperture.
  • All Baader Wide T-rings can be directly adapted to an UFC (Universal Filter Changer) with the optional Baader UFC S52 dovetail camera-adapter(#2459119), in order to change different filter sizes directly in front of the camera sensor.
  • With the ultra-short Backfocus of only 26.3mm (18mm camera, 8.3mm T-2 bayonet ring) many adaptations in combination with reducers / filter wheels are now possible for the first time. Furthermore, the illumination of the camera chips improved significantly, mainly because of the larger clear aperture.
  • Camera-sided connection: Sony E / NEX bayonet
  • Telescope-sided connection: S52 dovetail clamp incl. S52/M48i and M48a/T-2i internal thread with 0.75mm pitch

The Sony Alpha 7 cameras – especially the 7S and 7SII – are very interesting for astronomical purposes because of their high sensitivity, short backfocus light weight and very compact body dimensions. We produce a very short T-adapter for Sony E-Mount/NEX bayonet, which adds only 8.3 mm onto the 18 mm backfocus of the camera housing. This enables an adaptation to all backfocus-critical systems like HyperStar or fast Newtonians. All other T-adapters with T-2-thread which are commercially available at the moment do vignett the light path. We have encorporated the well-tested system of our Protective EOS-T-Ring into the Sony-adapter: Besides the T2-thread, the design also includes an M48-thread – and even bigger – the outer part of our ultrawide S52-clamping system. We will soon offer a 2" nose-piece with S52-ring-clamp. This 2"-nose-piece does provide you with an unobstructed clear inner diameter of 46mm and eliminates vignetting with the Sony Alpha 7 cameras even with very fast optical systems.

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