Simply excellent. That's the (for me) new Fujifilm GF 110 mm ƒ 2 lens for GFX mediumformat cameras. It is very sharp (even wide open), has a wonderful smooth rendering in the background - as well that the transition from sharp to unsharp is nicely executed.
Naturally it is also way more manageable (despite a weight of 1 kilo) compared to the 1.6 kilo huge, heavy Sigma ART 105mm ƒ1.4 lens. The Fuji is a notch sharper in micro details, albeit the difference is very small.
So, yes, the Sigma definitely can act and stand tall as a fantastic portrait lens with excellent optical characteristics. Likewise does the native Fujifilm 110mm ƒ2 lens. Just with less weight and bulkiness. You can handle / leave it on the camera, while walking around for example.
I will take it with me to work tonight in order to see how it handles very different and changeable environments. (I wouldn't so that with the Sigma, other than having it in a backpack).

Very pleased !
Overall, I am very pleased with the Fujifilm GF 110/2 lens. No wonder it is highly regarded as it is. I can see that now. Price ? Oh dear... you don't want to know. 30000 SEK or 2700 Euro. WEll, the same price like the GF 55/1.7 basically.
Which means, it is now payback time**.
Big times.
Bright, sharp combo
Still, together with the excellent GF 55mm ƒ1.7 lens, the GF 110mm ƒ 2 - together they both make up a top notch and bright combo. You can't get wrong on them. Then I also have the super wide angle Fuji GF 23mm ƒ4 (e.g. 18mm) as well my all time favorite, the GF 30mm ƒ3.5 which is equivalent to a 24mm lens on fullframe, but with less distortion at the borders. Additionally I also have the GF 35-70mm ƒ 4.5-5.6 zoom that came with the camera when i bought it back in the days. It is equivalent of a 28-55mm zoom. A sharp one, when you stop it down 1 stop. I mainly use it only when I wish to go light and flexible on a stroll with the GFX.
The fixed focal lengths between the four Fuji GF lenses are well spaced apart, without any overlapping. Each one representing it's own "areas of experice" in terms of focal lengths. Or you could express it like this:
• extreme wide angle / panorama
• wide angle
• normal
• telephoto
Speciality portrait Mitakon
Then i have a GF native mount specialty lens; the manual Chinese Mitakon Speedmaster 65mm ƒ1.4 which is very good for portraits, with a very bright aperture, giving soft-glowy results at wide open aperture (but renders sharp already at ƒ2.8 and very sharp > ƒ4.5) In the right light, and with careful manual focus - the lens shines by giving stunning "classic vintage" portraits, reminding of mediumformat on conventional photo film material.
Paying off rapidly
My goal now is, that the two Fuji lenses i recently bought - are being paid off in 12 months. ** And speaking about payback time; I already payed off 1/3 from the total of the Fujifilm GF 55/1.7 lens !!
Ta-daaaa (proud). Gosh, I sound like a teenager / young man type of dude. But ask Sal, and he will agree that that is more Ralf, than the increasingly large birthday number that is attached to my straw man.

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