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RF 70-200 or EF 70-200 with Converter for EOS R

Started Jan 30, 2020 | Questions thread
ZX11
ZX11 Veteran Member • Posts: 6,156
Re: That tried and true "air pump" design

Suave wrote:

pokesfan wrote:

Ah, yes, the 17-55. Truly one of the worst lenses in Canon’s history for build quality and dust. That is a *great* comparison to a 2019 $2700 L lens with extensive sealing and filters. You must be a scientist.

I've taken apart (and yes, put back together) a fair number of Canon lenses, including the 17-55. Its build quality is perfectly fine.

If you've done videos on 17-55 cleaning, then I have likely seen them.  I looked at getting that lens for years but never bought it.  Cleaning it and taking off the front element seemed like just something it would need occasionally from the owner.  I could do that.

The lens was known as L level glass but not having L lens build quality in its weather sealing or metal construction.  Which made it more affordable for its target customers, IMO.  Matched the lack of weather sealing on the Rebel cameras the lens was built for.

The lens cleaning looked fun and I wouldn't have an issue removing the front or rear element of the RF 70-200 for cleaning.  But why would I when the EF version is available and proven to be well sealed against dusty environments.

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 ZX11's gear list:ZX11's gear list
Canon EF 85mm F1.8 USM Canon 70-200 F2.8L III Canon RF 35mm F1.8 IS STM Macro Canon RF 24-105mm F4L IS USM Canon RF 85mm F1.2L USM
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