Re: OT: Propeller droop, caused by iPhone?
On 2010-04-04 21:31 , Christine Nielsen wrote: http://inielsen.com//bloggerpics/droopy1.jpg I'm looking for reassurance that this is some kind of iphone camera artifact, yeah, it stems from the fact that the iPhone doesn't have a shutter, and doesn't capture the all pixels in an image at once; instead it reads across the sensor chip over a period of a fraction of a second, so as it reads from one side to the other, moving objects may be distorted in unusual ways you could think of it as a graduated time filter here is another interesting airplane propeller example with more on the effect http://cameratoss.blogspot.com/2007/07/iphone-rolling-shutter-distortion.html -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
Re: OT: Propeller droop, caused by iPhone?
Christine Nielsen wrote: My husband snapped this yesterday with his iPhone. The propeller of the plane was moving at the time, but appears still, although very droopy: http://inielsen.com//bloggerpics/droopy1.jpg I'm looking for reassurance that this is some kind of iphone camera artifact, and not indicative of the air-worthiness of said plane, which he assures me will be ready to fly very soon I can't work out why both blades (or one pictured twice) are not affected in the same direction of rotation. Plus, all of the propeller artefacts I have seen from phone cameras exhibit more of a chopped-up-ness than any sort of flex. So, on the balance of probabilities, I have to say that your husband is deceiving you and he is suffering from a severe case of the droops. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
Re: OT: Propeller droop, caused by iPhone?
On Apr 5, 2010, at 6:18 PM, steve harley wrote: here is another interesting airplane propeller example with more on the effect http://cameratoss.blogspot.com/2007/07/iphone-rolling-shutter-distortion.html I had a very similar effect to that a long time ago with the camera on my Palm. So it's not just confined to the iPhone :) Dave -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
Re: OT: Propeller droop, caused by iPhone?
Hey, we older guys all have trouble with camera artifacts from time to time. ;-p That's so weird. On Sun, Apr 4, 2010 at 11:31 PM, Christine Nielsen ch...@inielsen.net wrote: My husband snapped this yesterday with his iPhone. The propeller of the plane was moving at the time, but appears still, although very droopy: http://inielsen.com//bloggerpics/droopy1.jpg I'm looking for reassurance that this is some kind of iphone camera artifact, and not indicative of the air-worthiness of said plane, which he assures me will be ready to fly very soon :) -c -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions. -- Steve Desjardins -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
RE: OT: Propeller droop, caused by iPhone?
From: Christine Nielsen My husband snapped this yesterday with his iPhone. The propeller of the plane was moving at the time, but appears still, although very droopy: http://inielsen.com//bloggerpics/droopy1.jpg I'm looking for reassurance that this is some kind of iphone camera artifact, and not indicative of the air-worthiness of said plane, which he assures me will be ready to fly very soon As long as his insurance premiums are up to date, what's the problem? ;-D It is an artifact of the capture. Evidently the iPhone scans the image, and the propeller blades moved during the scan. Different parts of the blade were captured in different positions during the scan. I read about some guy a couple years back who was using a flat-bed scanner in place of the film holder on a 8x10 camera and was generating these kinds of distortion purposefully. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
RE: OT: Propeller droop, caused by iPhone?
My husband snapped this yesterday with his iPhone. The propeller of the plane was moving at the time, but appears still, although very droopy: http://inielsen.com//bloggerpics/droopy1.jpg I'm looking for reassurance that this is some kind of iphone camera artifact, and not indicative of the air-worthiness of said plane, which he assures me will be ready to fly very soon As long as his insurance premiums are up to date, what's the problem? ;-D It is an artifact of the capture. Evidently the iPhone scans the image, and the propeller blades moved during the scan. Different parts of the blade were captured in different positions during the scan. I read about some guy a couple years back who was using a flat-bed scanner in place of the film holder on a 8x10 camera and was generating these kinds of distortion purposefully. The thing that hath been, it is that which shall be; and that which is done is that which shall be done: and there is no new thing under the sun. Is there any thing whereof it may be said, See, this is new? it hath been already of old time, which was before us. http://people.rit.edu/andpph/text-slit-scan.html -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
Re: OT: Propeller droop, caused by iPhone?
On Mon, Apr 5, 2010 at 7:34 AM, Bob W p...@web-options.com wrote: The thing that hath been, it is that which shall be; and that which is done is that which shall be done: and there is no new thing under the sun. Is there any thing whereof it may be said, See, this is new? it hath been already of old time, which was before us. http://people.rit.edu/andpph/text-slit-scan.html I love it when you get all Biblical on us, Bob W. :-) -- Godfrey godfreydigiorgi.posterous.com -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
RE: OT: Propeller droop, caused by iPhone?
From: Bob W My husband snapped this yesterday with his iPhone. The propeller of the plane was moving at the time, but appears still, although very droopy: http://inielsen.com//bloggerpics/droopy1.jpg I'm looking for reassurance that this is some kind of iphone camera artifact, and not indicative of the air-worthiness of said plane, which he assures me will be ready to fly very soon As long as his insurance premiums are up to date, what's the problem? ;-D It is an artifact of the capture. Evidently the iPhone scans the image, and the propeller blades moved during the scan. Different parts of the blade were captured in different positions during the scan. I read about some guy a couple years back who was using a flat-bed scanner in place of the film holder on a 8x10 camera and was generating these kinds of distortion purposefully. The thing that hath been, it is that which shall be; and that which is done is that which shall be done: and there is no new thing under the sun. Is there any thing whereof it may be said, See, this is new? it hath been already of old time, which was before us. http://people.rit.edu/andpph/text-slit-scan.html Yeah? But how good can it really be? I didn't see duct tape mentioned at all in the article. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
Re: OT: Propeller droop, caused by iPhone?
It's a sign of metal fatigue. Rick P.S. Is he building that from a Van's kit? I've flown with a friend in his Van's RV8--lots of fun. http://photo.net/photos/RickW --- On Sun, 4/4/10, Christine Nielsen ch...@inielsen.net wrote: From: Christine Nielsen ch...@inielsen.net Subject: OT: Propeller droop, caused by iPhone? To: pdml@pdml.net Date: Sunday, April 4, 2010, 11:31 PM My husband snapped this yesterday with his iPhone. The propeller of the plane was moving at the time, but appears still, although very droopy: http://inielsen.com//bloggerpics/droopy1.jpg I'm looking for reassurance that this is some kind of iphone camera artifact, and not indicative of the air-worthiness of said plane, which he assures me will be ready to fly very soon :) -c -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
Re: OT: Propeller droop, caused by iPhone?
On 4/5/2010 12:23 PM, John Sessoms wrote:
From: Bob W
My husband snapped this yesterday with his iPhone. The
propeller of
the plane was moving at the time, but appears still, although
very
droopy:
http://inielsen.com//bloggerpics/droopy1.jpg
I'm looking for reassurance that this is some kind of
iphone camera artifact, and not indicative of the
air-worthiness of said plane, which he assures me will be ready
to fly very soon
As long as his insurance premiums are up to date, what's the
problem? ;-D
It is an artifact of the capture. Evidently the iPhone scans
the image, and the propeller blades moved during the scan.
Different parts of the blade were captured in different positions
during the scan.
I read about some guy a couple years back who was using a
flat-bed scanner in place of the film holder on a 8x10 camera and
was generating these kinds of distortion purposefully.
The thing that hath been, it is that which shall be; and that which
is done
is that which shall be done: and there is no new thing under the sun.
Is there any thing whereof it may be said, See, this is new? it hath
been
already of old time, which was before us.
http://people.rit.edu/andpph/text-slit-scan.html
Yeah? But how good can it really be?
I didn't see duct tape mentioned at all in the article.
That's probably because he didn't have to tape any ducks...
--
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New;}}
\viewkind4\uc1\pard\f0\fs20 I've just upgraded to Thunderbird 3.0 and the
interface subtly weird.\par
}
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Re: OT: Propeller droop, caused by iPhone?
John Sessoms wrote: From: Bob W My husband snapped this yesterday with his iPhone. The propeller of the plane was moving at the time, but appears still, although very droopy: http://inielsen.com//bloggerpics/droopy1.jpg I'm looking for reassurance that this is some kind of iphone camera artifact, and not indicative of the air-worthiness of said plane, which he assures me will be ready to fly very soon As long as his insurance premiums are up to date, what's the problem? ;-D It is an artifact of the capture. Evidently the iPhone scans the image, and the propeller blades moved during the scan. Different parts of the blade were captured in different positions during the scan. I read about some guy a couple years back who was using a flat-bed scanner in place of the film holder on a 8x10 camera and was generating these kinds of distortion purposefully. The thing that hath been, it is that which shall be; and that which is done is that which shall be done: and there is no new thing under the sun. Is there any thing whereof it may be said, See, this is new? it hath been already of old time, which was before us. http://people.rit.edu/andpph/text-slit-scan.html Yeah? But how good can it really be? I didn't see duct tape mentioned at all in the article. A, duct tape. I think I know something about that. http://www.mikeawilson.co.uk/6476072.jpg -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
Re: OT: Propeller droop, caused by iPhone?
On 4/4/2010 11:31 PM, Christine Nielsen wrote: My husband snapped this yesterday with his iPhone. The propeller of the plane was moving at the time, but appears still, although very droopy: http://inielsen.com//bloggerpics/droopy1.jpg I'm looking for reassurance that this is some kind of iphone camera artifact, and not indicative of the air-worthiness of said plane, which he assures me will be ready to fly very soon :) -c Interesting... I have no idea about the prop, but it's pretty cool that he's building his own plane. Also, the iPhone camera sucks compared to my crackberry... Christian -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
Re: OT: Propeller droop, caused by iPhone?
That has to be an artifact, but damn it's funny.
On 4/4/2010 11:31 PM, Christine Nielsen wrote:
My husband snapped this yesterday with his iPhone. The propeller of the plane
was moving at the time, but appears still, although very droopy:
http://inielsen.com//bloggerpics/droopy1.jpg
I'm looking for reassurance that this is some kind of iphone camera artifact, and not
indicative of the air-worthiness of said plane, which he assures me will be ready to fly
very soon
:)
-c
--
{\rtf1\ansi\ansicpg1252\deff0\deflang1033{\fonttbl{\f0\fnil\fcharset0 Courier
New;}}
\viewkind4\uc1\pard\f0\fs20 I've just upgraded to Thunderbird 3.0 and the
interface subtly weird.\par
}
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Re: OT: Propeller droop, caused by iPhone?
On Apr 4, 2010, at 8:31 PM, Christine Nielsen wrote: My husband snapped this yesterday with his iPhone. The propeller of the plane was moving at the time, but appears still, although very droopy: http://inielsen.com//bloggerpics/droopy1.jpg I'm looking for reassurance that this is some kind of iphone camera artifact, and not indicative of the air-worthiness of said plane, which he assures me will be ready to fly very soon It's a standard feature for aircraft used in hazardous situations. Here's one of similar construction on a helicopter I photographed a while back: http://www.flickr.com/photos/ellarsee/366279/in/set-72157620580992698/ -- Larry Colen l...@red4est.com sent from i4est -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
