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

Started 6 months ago | Questions thread
PicPocket Veteran Member • Posts: 5,083
Re: wasting time

Sinawang wrote:

ZX11 wrote:

You are wasting time. Some people here don't care about the lens pumping air and whatnot in and out. So far (two years of use) there hasn't been a lot of people having problems with it.

I bought the EF version somewhat because it was an internal design, known to be durable, and cheaper. The RF version didn't impress me. The RF 85mm f1.2 did impress me so I spent the money on it.

There is someone on the forum with a RF 70-200 f2.8 with fungus inside it on the elements. Not sure where it is.

https://www.dpreview.com/forums/post/65475829

There you go. How can that dust & mold ended up on the back of the front element where there are multi sealing inside the lens barrel behind the front element as shown below? Super ninja nasty dust!

For the purpose of discussion in this thread, the internal zooming EF versions compete fairly well - https://photography-on-the.net/forum/showthread.php?t=1517059

people seem to start assuming what the weather sealing does and does not do… but, as as been said before, those red rings aren’t airtight, or microbes proof. Water drops are not at same scale as humid air

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