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Forum: Pentax Medium Format
07-16-2019, 08:24 AM
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Unless you're doing portraits for dermatological purposes, any of these lenses on a 645Z is going to be sharper than you need. (In fact, I use a diffusion filter, like a black pro-mist or a pearlescent, much of the time.) If you need a lens for head-shot type portraiture, a 120, 150 or 200 will all be fine from an image perspective point of view. The question that might help you decide is how close do you want to be from the subject from a psychological point of view? A 200 might give me an ideal image perspective, but it often puts me too far away from a communication-with-the-subject point of view and so I switch to a 150, 120 or even 75. If you're thinking about having an evenly spaced lens group, 35, 55, 75 and 120 work well. You could get the 120 first and then fill in with the 75 later. Also, if you can live with manual focus lenses (as I do), then the prices are wonderful.
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Forum: Pentax Medium Format
06-13-2019, 08:58 AM
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I bought a used 645Z about a year or so ago and use it often for portraits. As I remember, it came with a 55 and the 120. But by purchasing the older, manual-focusing lenses, I was able to add a 75, a 150 and a 200, spending not more than US$150 for any one of them. Totally wonderful.
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