Surefoot

To be honest the way the title is worded sounds like a classic click bait. Which triggered all the "but there's red information" answers around here. Especially on a photographer centric website...

Let's be practical here: how many of these travel photography shots were taken at these famed iso 3200 or 6400 ? Please count them and post the reply. Then please analyze the real world usefulness...

Well 7mm is 7mm. A defished image is more than 10mm and rectilinear too so it's comparable and not close to the same.. Also they make these UWA's quite perfectly these days, have you ever tried...

De-fishing reduces the frame width somewhat, it becomes quite narrower than what a 8mm rectilinear lens would give, if i recall correctly it would give the equivalent of about 10mm. It also impacts...

Apo-Lanthar macros are sublime. Check the mflenses forums for many examples... E-mount users will be delighted.
I whish they made another 90mm apo macro ,this time for the m4/3 mount...

Olympus 8mm/f1.8 is a fisheye, not a rectilinear ultra wide. Different species...