Michael Reichmann explains the SD1 price...

Started Jul 23, 2011 | Discussions thread
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fred_rdt Forum Member • Posts: 53
Reality proves theory

As expected.

500mm F4,5 EX DG 3150 g

300mm F2,8 EX DG 2400 g

Now imagine a theoretical 300mm DC. The front lens would be the same, but towards the rear end of the lens you could still save some glass.

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