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There's no limit...
In reply to Dirk U,
4 months ago
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Dirk U wrote:
Disappointment here too.
Can people who understand lens design please confirm whether there is merit in the suggestions that the NEX system cannot have a good long (say 350mm+ for game or birding) prime lens - perhaps a constraint due to the small flange back distance?
The small flange distance only removes constraints--it doesn't add them. There is no reason you couldn't make a, say, 150-400mm zoom for NEX and the small flange distance makes it easier to make a telescoping design so it's more compact when collapsed to the wide end.
Bart
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