On Sat, Mar 21, 2015 at 7:01 PM, P.J. Alling wrote:
> The method often suggested to get the absolute best focus using a manual
> focus zoom, was to focus zoomed in then zoom out and re-frame at the desired
> magnification. The plane of focus stayed the same.
I remember doing exactly that.
Dan M
The method often suggested to get the absolute best focus using a manual
focus zoom, was to focus zoomed in then zoom out and re-frame at the
desired magnification. The plane of focus stayed the same.
On 3/21/2015 5:50 PM, Larry Colen wrote:
I'm inclined to suggest that:
The precision for an
With the advent of auto focus varifocal zooms have become more the norm,
even though the shift is often small, in previous eras, the mark of a
good zoom was that it didn't shift the focus plane as it zoomed, unless
it was specifically noted.
On 3/21/2015 5:21 PM, Ralf R Radermacher wrote:
Am
I'm inclined to suggest that:
The precision for an accurate infinity focus increases the costs of a lens.
May not be possible on a zoom lens.
Manual focus is not used by the vast majority of people who buy cameras, so
it's added cost for a feature that is useless to most of the customers who c
Am 21.03.15 um 18:26 schrieb P.J. Alling:
Reading it right now, interesting and I'm still not sure how much is
marketing bullshit.
http://www.bhphotovideo.com/explora/photography/features/who-killed-infinity-focus?BI=4906
Really interesting. Thanks for the link.
Not sure what to think o
Am 21.03.15 um 22:15 schrieb Larry Colen:
I have often wondered if some zoom designs shift their point of focus at
different focal lengths.
They definitely do. Otherwise one couöd zoom in, focus much more
precisely and zoom out again. You'll admit that this would be far too
easy...
Ralf
-
P.J. Alling wrote:
Reading it right now, interesting and I'm still not sure how much is
marketing bullshit.
http://www.bhphotovideo.com/explora/photography/features/who-killed-infinity-focus?BI=4906
With the level of electronic communication between the lens and the
body, there
://www.pentaxphotogallery.com/artists/bulentcelasun
2015-03-21 19:26 GMT+02:00 P.J. Alling :
> Reading it right now, interesting and I'm still not sure how much is
> marketing bullshit.
>
> http://www.bhphotovideo.com/explora/photography/features/who-killed-infinity-focus?BI=4906
>
> --
> I don
much is
> marketing bullshit.
>
> http://www.bhphotovideo.com/explora/photography/features/who-killed-infinity-focus?BI=4906
>
> --
> I don't want to achieve immortality through my work; I want to achieve
> immortality through not dying.
> -- Woody Allen
>
>
>
Reading it right now, interesting and I'm still not sure how much is
marketing bullshit.
http://www.bhphotovideo.com/explora/photography/features/who-killed-infinity-focus?BI=4906
--
I don't want to achieve immortality through my work; I want to achieve
immortality through not dying
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