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Firmware Update

Canon Patent - External Lens Image Stabilization Unit For your DSLR

canon-7d-mark-II-imge

It really is like something out of sci-fi, Canon is working on a external image stabilization unit that will enable Image stabilization in your DSLR, the unit will be placed in between your Camera lens and DSLR, just like as you are using the Canon teleconverters for DSLRs (see Canon EF 1.4X III Telephoto Extender). The best part is your focal length and F value remains same even after adding the external IS mechanism in your DSLR.

Canon-IS-coming-to-your-DSLJapanes text translated by google

Canon is anti-vibration converter patent is being filed. It is possible to mount the only anti-vibration mechanism without changing the focal length and F value.

Explanation self interpretation of patent literature

  • Patent Publication No. 2015-28555
    • Published 2015.2.12
    • Filing date 2013.7.30
  • Example 1a (master lens only)
    • Focal length 392.50
    • F-number 2.92
    • Half angle of 3.16
    • Image height 21.64
    • Overall length of the lens 379.64
    • BF 41.57
    • Effective diameter of the front lens 135.72mm
    • Lens configuration 8 groups nine
  • Example 1b (anti-vibration converter mounted state)
    • Focal length 392.50
    • F-number 2.92
    • Half angle of 3.16
    • Image height 21.64
    • Overall length of the lens 379.64
    • BF 41.56
    • Effective diameter of the front lens 135.72mm
    • Lens construction 12 groups 15 sheets
  • Canon┬ápatent
    • 3-group configuration of positive and negative positive
    • Inner focus (the second group)
    • The anti-vibration converter can be inserted on the object side of the third group

If you have better translation, please do share with us.

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src – Egami

2 comments to Canon Patent – External Lens Image Stabilization Unit For your DSLR

  • travelour

    Nothing amazing or sci-fi about that. Pentax builds that into their cameras – even entry level ones. So you have it available for every lens you use – even the old m42 lenses. My K3 does an amazing job with my 30 year old Tamron 200-500 with with a 2x tc. I’ve (surprisingly) been able to even get a passable handheld photo of the moon with that lens at 1000mm.

    Regardless, it’s a good idea for Canon to bridge the gap. I’m curious if it would affect focus to infinity. Perhaps they can offer it built-in as well some day.

  • kim

    Pentax as not a fullframe camera or GPS, like Canon

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