https://opticallimits.com/sonyalphaff/1172-sony100400f4556
Somewhat below my personal expectations at least.
Chief Editor - opticallimits.com
Doing all things Canon, MFT, Sony and Fuji
Yeah... I thought the lens was forgotten.
But it looks like the adapted Canon 100-400 II is a better idea... right?
Well, I have some doubts about AF performance/accuracy with such an adapter solution.
Chief Editor - opticallimits.com
Doing all things Canon, MFT, Sony and Fuji
For that price I expected better borders at the long end.
stoppingdown.net
Sony a6300, Sony a6000, Sony NEX-6, Sony E 10-18mm F4 OSS, Sony Zeiss Vario-Tessar T* E 16-70mm F4 ZA OSS, Sony FE 70-200mm F4 G OSS, Sigma 150-600mm Æ’/5-6.3 DG OS HSM Contemporary, Samyang 12mm Æ’/2, Sigma 30mm F2.8 DN | A, Meyer Gorlitz Trioplan 100mm Æ’/2.8, Samyang 8mm Æ’/3.5 fish-eye II | Zenit Helios 44-2 58mm Æ’/2
Plus some legacy Nikkor lenses.
Not sure how much this is going to matter in real life though.
I wonder how good is the Nikon 80-400 (the AF-S version) though? It's another adaptable option for many mounts.
I, for one, would go for the 200-600mm G
Chief Editor - opticallimits.com
Doing all things Canon, MFT, Sony and Fuji
With the SEL100400GM you save about 800g; this is an objective advantage (apart from the 100-200mm range). But extended it gets long and I'm pretty happy with the SEL200600G that doesn't extend. It makes truly a difference, as I learned with my previous Sigma 150-600mm.
stoppingdown.net
Sony a6300, Sony a6000, Sony NEX-6, Sony E 10-18mm F4 OSS, Sony Zeiss Vario-Tessar T* E 16-70mm F4 ZA OSS, Sony FE 70-200mm F4 G OSS, Sigma 150-600mm Æ’/5-6.3 DG OS HSM Contemporary, Samyang 12mm Æ’/2, Sigma 30mm F2.8 DN | A, Meyer Gorlitz Trioplan 100mm Æ’/2.8, Samyang 8mm Æ’/3.5 fish-eye II | Zenit Helios 44-2 58mm Æ’/2
Plus some legacy Nikkor lenses.