For about the same price..RF 70-200mm F/4 or EF 70-200mm 2.8 IS iii ?

Started 6 months ago | Questions thread
Paysen New Member • Posts: 19
Re: Not been an issue

That is not all theoretical, that is a fact though. It depends on your usecase, but if it sucks in air, it also sucks in moisture and small dust particles. Most of the lenses are not full of dust or moisture because they are used in "easy" conditions. You could take a shower (without soap though) with that EF 70-200 2.8 and it will still work like a charm - that doesn't mean that your RF 70-200 will be a dusty fungus lens soon. It just means that the EF 70-200 is better sealed by design.

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