Re: PESO: Yellow

[Daniel J. Matyola]

A bit early yet here for roses.

Dan Matyola
*https://tinyurl.com/DJM-Pentax-Gallery
*



On Sat, Apr 16, 2022 at 5:47 PM John Sessoms  wrote:

> Makes me want to go lookin' for roses down in Texas.
>
> On 4/7/2022 12:43 AM, Daniel J. Matyola wrote:
> > Since Ann hates the color red (in photographs, at least), I thought I
> would
> > do a YELLOW image for spring.  Our backyard:
> >
> > http://dan-matyola.squarespace.com/danmatyolas-pesos/2022/4/7/yellow
> >
> > K-5 IIs, smc DA 18-135hour mm F 3.5-5.6 ED AL [IF] DC WR
> > Comments, criticisms, and suggestions are invited and appreciated.
> >
> > Dan Matyola
> > *https://tinyurl.com/DJM-Pentax-Gallery
> > *
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Re: PESO: Yellow

[John Sessoms]

Makes me want to go lookin' for roses down in Texas.

On 4/7/2022 12:43 AM, Daniel J. Matyola wrote:

Since Ann hates the color red (in photographs, at least), I thought I would
do a YELLOW image for spring.  Our backyard:

http://dan-matyola.squarespace.com/danmatyolas-pesos/2022/4/7/yellow

K-5 IIs, smc DA 18-135hour mm F 3.5-5.6 ED AL [IF] DC WR
Comments, criticisms, and suggestions are invited and appreciated.

Dan Matyola
*https://tinyurl.com/DJM-Pentax-Gallery
*
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Re: OT GESO (2): a couple of hens

[Daniel J. Matyola]

Colorful!  I like the way you caught the second one in mid-strut.

Dan Matyola
*https://tinyurl.com/DJM-Pentax-Gallery
*



On Sat, Apr 16, 2022 at 11:54 AM Subash Jeyan  wrote:

> a couple of common birds around here :)
>
> https://somethingfeathered.wordpress.com/2022/04/16/a-couple-of-hens/
>
> comments appreciated
>
> ~subash
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Re: OT GESO (2): a couple of hens

[Alan C]

Nice. Shouldn't they be trotting around on lily-pads?

Alan C

On 16-Apr-22 05:53 PM, Subash Jeyan wrote:

a couple of common birds around here :)

https://somethingfeathered.wordpress.com/2022/04/16/a-couple-of-hens/

comments appreciated

~subash
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OT GESO (2): a couple of hens

[Subash Jeyan]

a couple of common birds around here :)

https://somethingfeathered.wordpress.com/2022/04/16/a-couple-of-hens/

comments appreciated

~subash
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Re: Interesting artifact

[Alan C]

Igor, what about this?

"Despite the prevailing notion of extraterrestrial ships as round flying 
saucers, there have been reports of octagonal UFOs. Apparently, even 
aliens find the octagon an appealing shape".


Alan C

On 15-Apr-22 08:15 PM, Igor PDML-StR wrote:


I thought some people here might find this curious:
It is interesting to see 5[!] images of the aperture.
Pentax D FA 100 mm F2.8 Macro (not "WR") @ f/5.6
(The lens has 9 elements in 8 groups.)
Some other images from this setting showed only 4.

Never mind the central part of the photo - this is one of the images 
to be deleted. I did not crop it out just to show the context of how 
the image was taken:

http://42graphy.org/misc/ApertureImages/ApertureImage_IR09244.jpg

I cannot say that I _fully_ understand how all these images are 
formed, - especially after looking at this photo:

http://42graphy.org/misc/ApertureImages/ApertureImage_IR09238.jpg
This has up to 8-9 aperture spots, but some of them are motion-blured.
The camera was hand-held, with the motion reduction enabled.
I am guessing that the motion-blur comes from the camera shake, not 
compensated by the sensor. But it also makes me wondering if all these

aperture images are effectively just the same single image  - due to a
reflection from the sensor that moves as the sensor compensates for 
the camera shake.

Any thoughts?

Cheers,

Igor
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