[pure-silver] Re: Odd picture
- From: Laurence Cuffe <cuffe@xxxxxxx>
- To: pure-silver@xxxxxxxxxxxxx
- Date: Thu, 31 May 2007 12:42:12 -0700
On Thursday, May 31, 2007, at 01:41PM, "Sauerwald Mark"
<mark_sauerwald@xxxxxxxxx> wrote:
>The light will refract at the air/water interface,
>which will have the effect of hiding the portion of
>the boat below the waterline. A friend once took a
>photo which took advantage of this effect by laying on
>his back, in shallow water, holding his breath until
>the water was smooth, and then taking a photo with a
>fisheye lens pointing straight up.
>
>The resulting image has a circle of sky/above water
>scenery giving a full 180degree scope in the middle of
>the frame, around the edges of the frame, the light is
>reflected off of the surface of the water, and you see
>the sea bottom.
>
This sounds more like what you would get taking a photograph from underwater,
where past the angle for total internal reflection, you would get the image of
the sea bottom reflected of the underside of the sea surface. My problem with
the original description, poetic as it may be, is that 180 degrees would only
get you as far down as the horizon on both/all sides.
All the best
Larry Cuffe
>--- mail1 <mail1@xxxxxxxxxxxxxxxxx> wrote:
>
>> I found the next picture by clicking on the next
>> button far more
>> interesting. What a waist.
>>
>> I have spent 15 years on the ocean, and the problem
>> with this photo is the
>> stem [the bow] visible below the water line would
>> curve into the keel
>> [bottom of vessel],and with water this clear the
>> straight water line would
>> not be as evident. The digital camera sensor is
>> operating way beyond its
>> ability to record the SBR [subject brightness range]
>> of this scene, and that
>> could account for the distorted water line.
>> Jonathan Ayers [mail1@xxxxxxxxxxxxxxxxx]
>>
>>
>> -----Original Message-----
>> From: pure-silver-bounce@xxxxxxxxxxxxx
>> [mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf
>> Of Richard Knoppow
>> Sent: Wednesday, May 30, 2007 9:07 PM
>> To: pure-silver@xxxxxxxxxxxxx
>> Subject: [pure-silver] Re: Odd picture
>>
>>
>> ----- Original Message -----
>> From: "Jeffrey Thorns" <puresilver@xxxxxxxxx>
>> To: <pure-silver@xxxxxxxxxxxxx>
>> Sent: Wednesday, May 30, 2007 6:57 PM
>> Subject: [pure-silver] Odd picture
>>
>>
>> > This is not exactly a high-brow site, overall, but
>> this
>> > one picture is a bit odd. Almost looks like it's
>> been
>> > Photoshop'd;
>> >
>> >
>>
>http://www.boredstop.com/index.php?option=com_content&task=view&id=15&Itemid
>> =33
>> >
>> Maybe its real but notice the ball or float to
>> the left
>> of the boat: it has a reflection, the boat does not.
>> Even if
>> the boat is sitting high on a V bottom which is
>> painted
>> black one would expect to see some reflection from
>> its white
>> sides. Also, although the image is not large enough
>> to be
>> sure, there appears to my eye to be some odd
>> blurring in the
>> water around the left side of the boat. Again, it
>> _may_ be
>> legit but (as Red Skelton used to say) somehow it
>> just don't
>> look right to me.
>>
>> ---
>> Richard Knoppow
>> Los Angeles, CA, USA
>> dickburk@xxxxxxxxxxxxx
>>
>>
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>
>
>
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