It looks like the camera is using a horizontal slit shutter, and at least four
of them.
Thanks,
Steve Goss | MDI System Engineer | Cerner Corporation | Mobile: (816) 885-3259
| Fax: (816) 571-8560 | sgoss@xxxxxxxxxx | www.cerner.com
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-----Original Message-----
From: olympus [mailto:olympus-bounces+sgoss=cerner.com@xxxxxxxxxxxxxxxxx] On
Behalf Of Jim Nichols
Sent: Friday, December 04, 2015 9:22 AM
To: Olympus Camera Discussion
Subject: Re: [OM] (OT) iPhone image
Nice image, Michael. I suspect that the propeller is turning around
2000 rpm, or 33 revolutions per second. That, when combined with the shutter
speed selected by the iPhone, results in the capture of multiple blades.
I observed something similar when photographing a passing car beneath a sodium
vapor street light, which has a high frequency flicker.
Jim Nichols
Tullahoma, TN USA
On 12/4/2015 8:35 AM, Michael R. Collins wrote:
> The iPhone "shutter" can produce an interesting effect with some
> moving objects; perhaps it's model-dependent. Here's something I
> didn't anticipate, and have not really thought through what the cause
> might be:
>
> <http://zone-10.com/tope2/main.php?g2_itemId=6173>
>
> Straight out of the expensive-camera-with-a-free-phone-attached.
>
> Michael
>
> On 15-12-03 12:26 PM, Bob Whitmire wrote:
>> As I said to Moose, in other words perhaps, is that I don't look at
>> the iPhone or its photos the same way I look at photos from more
>> traditional cameras. It's its own little beastie. (Language Police
>> please note consecutive use of It's/its.)
>>
>> Lightroom now includes distortion correction for the iPhone 6. I like
>> to process my phone shots in the phone, so I'm still checking on ways
>> to eliminate distortion, or at least the distortion I can see.
>>
>> --Bob Whitmire
>> Certified Neanderthal
>>
>
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