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Photo Forum / General Photo Topics / Australian Photography / November 2008

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[photos] more stereograms from Santorini

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Troy Piggins - 10 Nov 2008 03:30 GMT
These ones I like:

http://piggo.com/~troy/photos.php?album=2008_10_13&img=photos/2008_10_13/img_0491.jpg

http://piggo.com/~troy/photos.php?album=2008_10_13&img=photos/2008_10_13/img_0544.jpg

http://piggo.com/~troy/photos.php?album=2008_10_13&img=photos/2008_10_13/img_0480.jpg

http://piggo.com/~troy/photos.php?album=2008_10_13&img=photos/2008_10_13/img_0456.jpg

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Troy Piggins - I always appreciate critique
[SI] Shoot-In http://www.pbase.com/shootin

Jeff R. - 10 Nov 2008 07:14 GMT
> These ones I like:
>
[quoted text clipped - 5 lines]
>
> http://piggo.com/~troy/photos.php?album=2008_10_13&img=photos/2008_10_13/img_0456.jpg

Me too.
Nailed it!

Well done.

--
Jeff R.
Troy Piggins - 10 Nov 2008 07:32 GMT
* Jeff R. wrote :
>> These ones I like:
>>
[quoted text clipped - 10 lines]
>
> Well done.

Cheers, mate.  Beautiful place over there.  Loved it.

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Troy Piggins - I always appreciate critique
[SI] Shoot-In http://www.pbase.com/shootin

Annika1980 - 15 Nov 2008 02:58 GMT
What method do you use to take these shots?
How much spacing?  Also, is the pic on the left the one taken from the
leftmost position or vice-versa?
Mark Thomas - 15 Nov 2008 08:44 GMT
> What method do you use to take these shots?
> How much spacing?  Also, is the pic on the left the one taken from the
> leftmost position or vice-versa?

Dunno where Troy went, but while you are waiting...

My method is very basic - just take the two shots from about 3-6" apart.
 I don't bother measuring or using a tripod for most of mine, but then
I'm no artiste, either..  I understand they should technically be taken
from the typical inter-ocular distance of ~6.3cm (2.5"), but I find you
can go quite a bit wider and the effect seems to be better.  Not sure at
what point it all falls apart, though.

When you cross your eyes to view them, your right eye will be looking at
the left image and v-v, so the images do need to be swapped around from
the taking aspect.  If you get it wrong you will immediately notice that
it simply doesn't work.  When I create them, I often forget which is
which, so I just position them on the PS canvas and try it out - if it
doesn't work, just swap'em.

Examples - at least one of which you have seen:
http://www.marktphoto.com/examples/stereo_brisbane.jpg
http://www.marktphoto.com/examples/stereo_colacan.jpg
http://www.marktphoto.com/examples/car_stereo.jpg
http://www.marktphoto.com/examples/that_spot_in_manly.jpg (Hi, D-Mac!)
http://www.marktphoto.com/examples/weird3d.jpg  (clouds that move
between images can do strange things...)

One of these days, like Troy, I'll do one of an *aesthetic* scene.. (O:
Troy Piggins - 15 Nov 2008 09:16 GMT
* Annika1980 wrote :
> What method do you use to take these shots?
> How much spacing?  

G'day mate.  I just take one shot, then move horizontally about
the width your eyes are apart (50-75mm or 2-3" or so) then take
another.  It's pretty forgiving and don't think you need to be
that precise.

> Also, is the pic on the left the one taken from the leftmost
> position or vice-versa?

No.  The image on the left is the one your right eye is supposed
to see, and vice versa.  That's why you go cross-eyed  :)

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Troy Piggins - I always appreciate critique
[SI] Shoot-In http://www.pbase.com/shootin

k - 25 Nov 2008 03:48 GMT
| * Annika1980 wrote :
| > What method do you use to take these shots?
[quoted text clipped - 4 lines]
| another.  It's pretty forgiving and don't think you need to be
| that precise.

and if you want some *really* impressive images, use a wideangle and shoot
even further apart :)
Noons - 25 Nov 2008 11:41 GMT
k wrote,on my timestamp of 25/11/2008 2:48 PM:

> and if you want some *really* impressive images, use a wideangle and shoot
> even further apart :)

er, careful. then you gotta cope with distortions and such.
better to stick with not so wide angles and take more
photos.
k - 28 Nov 2008 09:28 GMT
| k wrote,on my timestamp of 25/11/2008 2:48 PM:
|
[quoted text clipped - 4 lines]
| better to stick with not so wide angles and take more
| photos.

I use decent rectilinear wides ith minimal distortion but you're right -
something a novice might miss (and have problems with!)

I went through a pile of new wide zooms when I was in the US and found just
the thing for the job back in the 90's

bought two

2 F1N's on a rail with an integral level, shutters linked, all good :)

luckily at their almost-widest is when the distortion disappears, I'd have
had hell if they barelled!

k
Troy Piggins - 28 Nov 2008 13:13 GMT
* k wrote :
>| k wrote,on my timestamp of 25/11/2008 2:48 PM:
>|
[quoted text clipped - 17 lines]
> luckily at their almost-widest is when the distortion disappears, I'd have
> had hell if they barelled!

Sorry, mate.  I didn't understand any of that.  What did it all
mean?

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Troy Piggins - I always appreciate critique
[SI] Shoot-In http://www.pbase.com/shootin

Noons - 28 Nov 2008 13:37 GMT
Troy Piggins wrote,on my timestamp of 29/11/2008 12:13 AM:
> * k wrote :
>> | k wrote,on my timestamp of 25/11/2008 2:48 PM:
[quoted text clipped - 21 lines]
> Sorry, mate.  I didn't understand any of that.  What did it all
> mean?

LOL!
I think he meant:
he found just the thing for the job after trying with a
pile of zooms back in the 1990s:
pair of Canon F1Ns mounted on a rail, shutters linked.
Apparently, those don't barrel-distort at the widest
zoom setting.  Rectilinear wide zooms, I guess?

Anyways: my take on it.  Or wot I could grok.
k - 29 Nov 2008 02:16 GMT
"Noons"

| LOL!
| I think he meant:
[quoted text clipped - 5 lines]
|
| Anyways: my take on it.  Or wot I could grok.

you did good translating my goobledegook into english :)

karl

asw a footnote, I went to specifically buy FD L series 20-35's but found the
three I looked at (new at the time) soft and not well corrected for
distortion - much to my surprise!

I then tried a couple of Tamrons, Tokinas and even the Sigmas, becoming more
disheartened with each lens before the guy suggested a Phoenix 19-35 ..
which I'd never heard of.

Apparently I've since found out Vivitar sell the same lens badged as a
Series 1 - but either way, this was a lens I had no preconceptions about.

Stuck it on the front, grinned, zoomed around a bit (grin grew bigger) and I
spent the dollars

Funny thing, armed with the Canon walking about New York I was stopped twice
by people who commented on the lens on sight, saying how good they were

and they are good  :)
Noons - 29 Nov 2008 09:28 GMT
k wrote,on my timestamp of 29/11/2008 1:16 PM:

> asw a footnote, I went to specifically buy FD L series 20-35's but found the
> three I looked at (new at the time) soft and not well corrected for
[quoted text clipped - 14 lines]
>
> and they are good  :)

I've heard good things as well from some of the
Vivitar series 1 lenses.  Looks like the 19-35 is
one to watch out for.
 
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