Canon's release of 600/800mm f11 lenses PROVES you don't need Cannons!

Started 2 months ago | Discussions thread
Gary from Seattle Veteran Member • Posts: 4,790
Re: Canon's release of 600/800mm f11 lenses PROVES you don't need Cannons!

Wu Jiaqiu wrote:

Gary from Seattle wrote:

Wu Jiaqiu wrote:

Doug Greenberg wrote:

But when you end up shooting at ISO 6400 there will be a price to pay in image quality. I would rather use an M43 rig combo of 300f4 and 1.4x teleconverter, 420mm f5.6, which is the FF equivalent of 840mm f5.6.

Doug Greenberg, Berkeley, CA

kind of

How, kind of? At 840mm you have a very small DOF and will often need about F5.6 - at least that is what I find.

so about the same dof as the canon 800mm/11 used with a 35mm sensor

Not sharp, poor contrast, etc.

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