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Baader zero-tolerance protective Canon DSLR T-Ring T-2/M48 and 2"
Filter not included

Baader zero-tolerance protective Canon DSLR T-Ring T-2/M48 and 2"

Your Price: $119.99
In Stock
Part Number:DSLRT

Today's large sensor digital SLRs and advanced imaging techniques enable amateurs to take spectacular high resolution and long exposure images that push the limits of modern telescope optics.  Up until now, the only means of coupling a DSLR to the telescope  relies on the use of a standard mass produced camera T-Ring.   Unfortunately, T-rings have failed to evolve with the demanding needs of the advanced astro-imager:

  • The use of 42mm T-thread for the coupling causes a choke-point in the imaging train (typcially 38mm internal diameter), resulting in vignetting in fast systems. 

  • High resolution digital image sensors and their protective glass covers are highly vulnerable to dust that can enter the body each time the camera is coupled/uncoupled, or in open systems, particularly if the camera has been modified for full-spectrum use.  

  • These commonly available T-rings are mass-produced for generic camera use, with general manufacturing tolerances and design, which result in a potentially loose bayonet fit that can cause focal plane squareness and long-exposure image shifting from lateral play and angular wobble.

Our New Baader Protective Wide T-Ring System for the Canon EOS evolves the T-Ring and solves these issues. 

  • The 2" wide-aperture of the protective T-ring accepts 3 different attachment adapters, which are included with each T-ring:  Standard T-thread (42mm), 2" thin profile nosepiece, and 48mm thread (astro filter standard). 

  • The internal filter compartment is able to accept both Baader 2" mounted filters, and 50.4mm diameter unmounted filters for the widest clear aperture possible (47.3mm aperture).

  • The optimized design and tight manufacturing tolerances ensure the closest fit possible with the Canon EOS body.  This avoids the occurance of focal plane tilt and image shift caused by play and wobble at this connection point.

The Baader Protective Wide T-Ring System includes 6 configurable parts:

  1. Protective T-ring Body

  2. Temperature Compensation Ring (for installation of 50.4mm x3mm unmounted filters)

  3. Adapter S52/M48 (for 48mm connection thread)

  4. T-thread/M48 adapter (for standard 42mm T-thread connection)

  5. S52/2" wide aperture 2" nosepeice (includes M48 filter thread)

  6. 1.5mm Allen Wrench

For further information and detailed usage instructions, please click on the link below:

Protective Wide T-Ring Instruction Manual (508 kB)

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