BACK IN THE OLDEN DAYS OF PICTURE MAKING, aka: pre-digital, picture makers came by narrow depth-of-field “honestly” - camera+”fast” lens+shoot wide open = narrow depth-of-field. This technique was applied to many uses such as portraiture or drawing attention to a featured referent in a picture. But, in any case, it was derived from an intrinsic characteristic of the medium’s equipment.
In today’s digital picture making realm, narrow DOF is harder to come by given the typical smaller than so-called full-frame sensors + the laws / science of optics and image magnification (which I won’t get into here). For many picture makers who desire max DOF in their picture making , this a bonus.
As an example, in my picture making, wherein I am seeking out aesthetic form, I want every line, shape, texture, space, color, value, et al to be rendered with clarity and definition. That’s cuz every visual element with my imposed frame is an integral part of the aesthetic form I picture and hope to make perceivable to the viewers of my pictures.
For those who like narrow DOF, the options for obtaining it are limited and usually very expensive. Like, have you priced a (so-called) full-frame digital camera with a “fast “ high quality lens? While I like narrow DOF in some of my picture making, the expense versus small need-actually, it’s more like desire-does not justify the expensive. So….
….when the desire for narrow DOF strikes-I turn to my iPhone 13 Pro Max and its Portrait setting / feature. And, in case you haven/t noticed, over the past few months I have been using that setting-and,surprise for me, within a full-frame-much more than I ever imagined that I would. That’s cuz, best as I can tell at this point, I have been seduced by what my eye and sensibilities perceive as the soft, emotional warmth of pictures made with some significant degree of limited DOF. Which, again to my eye and sensibilities, stands in contrast to the hard, analytical, detached coolness of those pictures made with sharp definition and clarity from edge to edge.
ASIDE No. the iPhone Portrait setting does not accurately replicate the effect of the the old-timey film camera+fast lens combination. Yes. It can get confused, re: what to soften versus what to keep sharp, by small details. But, with some processing “corrections”, it does what I want it to do for my apparent narrow DOF picture making purposes. END OF ASIDE
All of the above written, I am ever so slightly conflicted with use of the iPhone Portrait setting. For the first time in my picture making life, I am using a filter to achieve a look / effect. OK, it'‘s not a filter. It is actually computational photography, Nevertheless, I can not help but feel that I am “cheating”, re: my sacred straight photography vow. Although, when picturing scenes / referents which are static, I do pre-select the aperture setting which creates the DOF look I am after and, 9 times out of 10, I print the file from that selection.
So, RATIONALIZATION ALERT, it’s kinda like straight photography, right?