Looking for some portrait advice. I'm a landscape shooter, but recently have been taking some family portraits on 8x10 with a Fujinon 250mm/6.7 mostly at f8 or 11 on Fomapan 200 for around 3-10s. Well 3 shots today and none of them are sharp, I mean not even close. I'm baffled, f11 is shallow but what I want is in focus on the ground glass and the subjects are still enough. So I'm thinking its the movement of the standards as I insert the film holder is shifting things out slightly.
Anyone have any advice on this? I don't shoot a lot of 8x10, mostly work in 4x5 and MF and seldom have focus issues.
It is possible that your ground glass isn't calibrated to the film plane in the film holder.
I had considered this but the thought was too distressing, I quickly moved on . I'm using a aluminium and carbon Gibellini (one of the older models) with a Chamonix or Fidelity film holder - so the gear is relatively new. But admittedly I haven't shot it below f22, usually higher until now and this certainly worth testing for.
I guess I could use a laser pointer without the lens and test for distance to the film plane with the GG and a open Film holder, not sure if this is accurate enough.
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