SIGMA announces the 500mm F5.6 DG DN OS | Sports, but not for RF…… yet

[ISv]

But how is f/7.1 even usable compared to f/5.6?

Easily! When you don't use it !

 

[Nemorino]

Working distance is a key point!

The Laowa 15mm 1:1 macro has a working distance of 4.8mm afaik. :-o

 

[dcweather]

But how is f/7.1 even usable compared to f/5.6?

2/3 of 1 f stop. ISO ~ 700 instead of 400? No problem with modern software.

 

[neuroanatomist]

2/3 of 1 f stop. ISO ~ 700 instead of 400? No problem with modern software.

Certainly. The winky emoji was intended to denote sarcasm, directed against people here on CR who have previously characterized the RF 100-500L as ‘unusably slow and dark’ or similarly asinine claims.

 

[EricN]

The Laowa 15mm 1:1 macro has a working distance of 4.8mm afaik. :-o

I finally bought one. It's not perfect, but it does what it should.