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RF-S Lenses - What We Know and What is Rumored

Started 10 months ago | Discussions thread
MikeJ9116 Veteran Member • Posts: 6,955
Re: RF-S Lenses - What We Know and What is Rumored

Sittatunga wrote:

We're getting very far from the subject of likely RF-S lenses here.

Yet here were are and you are doing the same with this post.

MikeJ9116 wrote:

...

If an f/11 lens suits a user that can live with its limitations then they should buy it. I was pointing out the irony of a person saying an f/2.8 crop lens as not being bright enough and then recommending f/11 lenses to be used on a crop camera.

You can make anything sound stupid by removing the context.

f/2.8 was talked about in the context of standard zooms. Apart from the 18-50mm Sigma, which by sacrificing stabilisation is almost small enough to fit the EF-M template, the fast crop standard zooms are much the size of the f/4 full-frame zooms that are effectively faster. The Sigma 18-35mm f/1.8 fits the R7 and would be much better than these were it not so huge. I, for one wouldn't miss the 35-50mm range on APS-C half as much as I'd miss the 15-18mm range.

The f/11 primes allow mere mortals to achieve things on crop format that would otherwise demand real sacrifices. Nobody's going to carry a 600mm f/2.8 around.

Anyone can use any lenses they wish to and can afford.   The fact is that an f/11 lens on a crop camera makes it a highly niche optic.  If one thinks f/2.8 is too slow on a crop camera then there are better options than an f/11 constant aperture 600/800mm lens.

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