Everyone has their likes and dislikes. I prefer razor sharp eyes and
eyelashes, nose just soft enough that pores aren't disturbing, soft ears,
very soft forground (if any) and background so soft that it only hints of
something. Bokeh is important. But that's just me.
Regards,
Bob...
--------------------------------------------------------
"Art is not a reflection of reality. it is the reality of a reflection."
-Jean Luc Godard
----- Original Message -----
From: "Godfrey DiGiorgi" <[EMAIL PROTECTED]>
>
> On Oct 17, 2007, at 9:49 AM, Cotty wrote:
>
>> On 17/10/07, [EMAIL PROTECTED], discombobulated, unleashed:
>>
>>> And less than 2.8 is frequently the stop of choice for portraiture.
>>
>> or even 1.4 ;-)))
>
> Huh? I dunno about anyone else, but I need about 1-1.5 feet DoF as a
> minimum at 7' focus distance for a conventional H&S portrait to
> obtain razor sharp eyes and acceptably sharp nose to shoulders, with
> a nicely soft backdrop.
>
> With an 75mm lens on a 35mm film SLR, that requires f/8.
> -
> Subject distance 7 ft
> Depth of field
> Near limit 6.43 ft
> Far limit 7.67 ft
> Total 1.24 ft
> In front of subject 0.57 ft (46%)
> Behind subject 0.67 ft (54%)
> -
>
> With a 43mm lens on a Pentax DSLR, it presents a somewhat wider FoV,
> but f/4 works well to produce a very similar image:
> -
> Subject distance 7 ft
> Depth of field
> Near limit 6.42 ft
> Far limit 7.7 ft
> Total 1.28 ft
> In front of subject 0.58 ft (45%)
> Behind subject 0.7 ft (55%)
> -
>
> Shooting with either at f/2.8 or larger lens openings creates
> unsharpness in the foreground (at the nose) of a H&S portrait, which
> is distracting and looks bad.
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