Why no mirror telephotos for DSLR Canon?

Started Jan 25, 2010 | Discussions thread
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samWebster123 Senior Member • Posts: 1,153
I'm referring to camera lenses

not telescopes!

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Canon EOS 5D Mark II Canon EOS-1D Mark IV Canon EOS-1D X Canon EF 300mm f/2.8L IS USM Canon EF 600mm f/4.0L IS USM +4 more
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