What next when the hyperfocal is wrong?

According the Lord of math, the hyperfocal distance of my 50mm lens is
25 feet at F/11. Supposedly everything from 25 feet to infinity will be
in focus. Unfortunately you can't tell if this is the case until you
examine the image on a computer.
Last week, I shot a wedding where I wanted the couple at about 25 feet
and a church at infinity plus all in between to be focused. I didn't get
the measuring tape out but I have a fair idea of how far away 25 feet is.
The picture is OK. The foreground is sharp but the church in the
distance is not as sharp as I'd have thought it would be considering the
maths of the matter. I reasoned any smaller than F/11 and the image
would start to lose sharpness and produce vignetting.
Anyway... Can someone offer a suggestion as to why the technical details
were right and the results with my 20D off? The same image from my 5D
was spot on. Have I missed something with the crop factor or are there
other considerations when the lens is on 1.6 crop camera?
Douglas

Dmac

Re: What next when the hyperfocal is wrong?

Anger and resentment, loss of promotional opportunities, jealousy,
poverty, inability to accept change. All of these probably contribute to
his present attitude. Like you suggested, he did have valid
contributions about hardware - once. God help us all if we age like he has.
--
From Douglas...
My photographic site: http://www.douglasjames.com.au
Canvas Archival and Metallic Prints: http://www.canvasphotos.com.au


Dmac

Re: What next when the hyperfocal is wrong?

Alan Browne wrote
(in article <x3nkg.25718$jb.105540@wagner.videotron.net>):
[apparently referring to Tony Polson]
I find this all very interesting, because a few years back I
spent a lot of time lurking here, and a bit posting. At that
time, it seemed like Tony actually posted quite a bit of useful
information, and was certainly willing to argue from time to
time (this is Usenet after all), but it certainly seems
different now.
I wonder what, if anything other than time, transpired to change
him so much?
--
Randy Howard (2reply remove FOOBAR)
"The power of accurate observation is called cynicism by those
who have not got it." - George Bernard Shaw


Randy Howard

Re: What next when the hyperfocal is wrong?

I don't believe that at all. In a few narrow areas he does have useful
things to say.
However, he rarely passes up the chance to be an ass or to pull the old
all-so-easy dig at people who do have useful comments to offer.
Tony really has no understanding of the basic purpose of usenet. He is
angry at usenet in part because it has failed to elevate him to the
status he seeks. That *really* drives him mad 'cause people can call on
him to walk the walk and that's when he cowers in the corners.
Cheers,
Alan
--
-- r.p.e.35mm user resource: http://www.aliasimages.com/rpe35mmur.htm
-- r.p.d.slr-systems: http://www.aliasimages.com/rpdslrsysur.htm
-- [SI] gallery & rulz: http://www.pbase.com/shootin
-- e-meil: Remove FreeLunch.


Alan Browne

Re: What next when the hyperfocal is wrong?

The "circle of confusion" joke reached its zenith of comedy a couple
years ago.


Alan Browne

Re: What next when the hyperfocal is wrong?

"Alan Browne" <alan.browne@FreelunchVideotron.ca> wrote ...
elevate himself through insults on others...
Nice to see the sense of humour by-pass was a success, Alan
;^)


Tony Parkinson

Re: What next when the hyperfocal is wrong?

You basic presumption that he actually has any to offer is flawed in the
extreme, Alan.
--
From Douglas...
My photographic site: http://www.douglasjames.com.au
Canvas and Metallic Prints: http://www.canvasphotos.com.au


Dmac

Re: What next when the hyperfocal is wrong?

Odd how you come around whenever Polson is on one of his rants designed
to elevate himself through insults on others...
The CoC is a fairly basic concept and Polson tries to shroud it in
mysteries that only somebody who claims 50 rolls per average *week* and
Paris Match covers can understand. Yet he has failed to show a single
image that reflects his claimed and implied prowess. So, who's confused?
Cheers,
Alan
--
-- r.p.e.35mm user resource: http://www.aliasimages.com/rpe35mmur.htm
-- r.p.d.slr-systems: http://www.aliasimages.com/rpdslrsysur.htm
-- [SI] gallery & rulz: http://www.pbase.com/shootin
-- e-meil: Remove FreeLunch.


Alan Browne

Re: What next when the hyperfocal is wrong?

Tony, you're quick to attack but very slow to offer useful, clear,
concise advice.
--
-- r.p.e.35mm user resource: http://www.aliasimages.com/rpe35mmur.htm
-- r.p.d.slr-systems: http://www.aliasimages.com/rpdslrsysur.htm
-- [SI] gallery & rulz: http://www.pbase.com/shootin
-- e-meil: Remove FreeLunch.


Alan Browne

Re: What next when the hyperfocal is wrong?

Sorry about that. It happens though, time zones and all...


Alan Browne

Re: What next when the hyperfocal is wrong?

Dammit, I left off the {:-)
Colin D.
--
Posted via a free Usenet account from http://www.teranews.com


ColinD

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