My Experience with the Phase One XF 100

Discussions regarding Phase One XF and XT
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My Experience with the Phase One XF 100

Postby NN637046910659761690UL » Sun Sep 22, 2019 2:29 pm

I had the fortunate experience of doing a half-day shoot with the Phase One XF 100 camera. I never used another digital medium format camera. My main camera is a Fuji APSC camera. And it's not everyday that I get to use a $40k medium-format camera, so I figure I write my thoughts.

I was doing a beauty shoot. So the lens I used was the 150mm AF f/2.8 IF.
I was in a studio setting, so I didn't get to experience the magical "medium format bokeh." I was shooting at around F/20 so depth of field wasn't too big of a problem.
The Phase has 1 focus point in the middle. I was prepared for bad AF from all the stories I heard. It wasn't bad actually. The Phase emits a focus-assist light every time it tries to acquire focus. Maybe that helped? Because I had such a deep depth of field, focus recomposing was no problem. I also heard that the AF was improved from the old Phase cameras.

I couldn't rattle off shots like I could with my Fuji X-T2. In fact, since the RAW files were around 100 megs each, I could probably shoot about 1 shot a second. Even then, after like 10 shots, I had to stop for the buffer to clear.

That was the main thing I had to get used to. It forced me to slow down. I couldn't catch the model in her moment and keep her moving. She had to pause for each pose. Also I was using 8gig CF cards, and that thing filled up much quicker than I was expecting.
Last edited by NN637046910659761690UL on Wed Sep 25, 2019 8:29 am, edited 2 times in total.
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Re: My Experience with the Phase One XF 100

Postby tenmangu81 » Sun Sep 22, 2019 2:50 pm

Hi,

This forum is devoted to the software Capture One, and not to cameras. Anyway, I think you would not have such issues with the buffer if you had shoot connected, like most of people do when working in a studio.
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Re: My Experience with the Phase One XF 100

Postby SFA » Sun Sep 22, 2019 5:01 pm

As Robert has written already there are probably other forums that would be more appropriate for this post - assuming you do have a message to get across.

I would have thought that an 8GB CF card might not be a particularly fast card and not really the best option for shooting with a phase back. You don't mention which back was available to you.

But anyway, what were your impressions about the results the back (whatever it was) delivered?
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Re: My Experience with the Phase One XF 100

Postby NN635295556271985100UL » Sun Oct 06, 2019 1:56 pm

This forum is devoted to the software Capture One
l Really?
As far as I can see it also covers Phase & Leaf DBs and Cameras - hence the titles in the different sections.
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Re: My Experience with the Phase One XF 100

Postby Ulf » Thu Oct 17, 2019 10:34 am

As far as I can see it also covers Phase & Leaf DBs and Cameras - hence the titles in the different sections.


I will second that. This section is dedicated to Phase One XF and XT
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Re: My Experience with the Phase One XF 100

Postby Jon » Tue Oct 29, 2019 2:59 pm

NN637046910659761690UL wrote:I couldn't rattle off shots like I could with my Fuji X-T2. In fact, since the RAW files were around 100 megs each, I could probably shoot about 1 shot a second. Even then, after like 10 shots, I had to stop for the buffer to clear.

That was the main thing I had to get used to. It forced me to slow down. I couldn't catch the model in her moment and keep her moving. She had to pause for each pose. Also I was using 8gig CF cards, and that thing filled up much quicker than I was expecting.


I would simply add two things... Speed of the card is important - IQ backs use UDMA 7 writers, so if the card is slower than 120mb/s you won't be using the full speed the back is capable of. With a fast card, you will have much less buffering (and in many cases no buffering)

Capture rate on IIQ-L and IIQ-S files will be about 1FPS with the 100mp, and about 1.3s per shot with IIQ-L 16bit. (in contrast, IQ4 150mp can do nearly 3FPS in IIQ14S with no buffering ever to XQD)
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