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Baader Planetarium Protective Wide T-Ring System for Canon EOS with Filter Mounting

Item # HN-AAS066

Dimensions & Specifications

Baader Planetarium
2 Year Manufacturers Warranty

Product Guarantee

Manufacturer Warranty

Return & Exchange Policy

  • Simply the best T-Ring available
  • Internal filter compartment is able to accept Baader 2" mounted filters
  • Can also accept 50.4mm unmounted filters
  • The closest fit possible to the Canon EOS camera body
  • Available with or without optional filters included
Full Description
Guarantee & Returns
Customer Reviews


by PowerReviews
Baader Planetarium Protective Wide T-Ring System for Canon EOS with Filter Mounting

(based on 1 review)

Ratings Distribution

  • 5 Stars



  • 4 Stars



  • 3 Stars



  • 2 Stars



  • 1 Stars



Reviewed by 1 customer

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Worked better than expected!

By Sparky

from Iowa

Staff Reviewer


  • Great construction
  • Quality glass
  • Secure fit


  • I didnt buy it sooner

Best Uses

  • Astrophotography

Comments about Baader Planetarium Protective Wide T-Ring System for Canon EOS with Filter Mounting:

I recently upgraded from an entry level Canon XS to the 5D MKII. I was in the market for a new t-ring and this caught my eye. The 5D is not cheap... I really wanted to do everything I could to keep it clean as it seems dust and particles easily found their way on my old camera sensor. Fumbling around in the dark kicking up dust is going to happen. I decided to go with just the dust cover option as my camera is not yet modded. This product fit seamlessly and allowed me to utilize my existing t-adapter as well as reducers and flatteners. I have imaged with and without and there is no negative effects whatsoever through my Williams Optics Zenithstar 110 APO. It also attached to my camera body very securely...this is very important when auto-guiding as you cannot have any slop in your gear anywhere! This is a fantastic product that i would recommend to anyone!

  • Was this a gift?:
  • No

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