Saturday, March 22, 2014

Dinner Salad

Dinner Salad
On the nights Carol does not cook, I fix my own dinner.  I tend to fix the same thing every time until I can't stand to think about eating it again.  I am trying to diversify.  I am allergic to tomatoes but can eat them in small quantities this time of year so I bought some the last time I was at the store.  I have taken to washing everything before making the salad and had finished doing so, placing the things on my cutting board.  I looked at it and decided there was a picture there.  I enjoyed eating it very much.

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Friday, March 21, 2014

Gorman Bridges Update

Gorman Map
In the absence of other data I have arrived at a naming convention for the bridges so that I can name images captured.  This map will enlarge quite a lot for clearer viewing.

I have arrived at this blog because I have seen the tracks of the gator on the trail and the Mansfield City Students going to their work site on some mornings.  I looked the other morning when it was mostly too cold for wildlife and almost too cold for me.  They have been replacing what I call bridge # 4.  I have added it to the map.

Bridge # 4
Bridge # 4 crosses a gully being created as the 6" clay tile breaks down from previous (before Gorman) land usage.  It has been enlarging as each new rain occurs.

Bridge # 4
I think that it is the most recent bridge being constructed.  I particularly like the on and off ramps.  It helps me get my cart onto the bridge without dumping equipment.



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Thursday, March 20, 2014

Speaking of Birds

Savannah Sparrow
This sparrow sat on the tree limb, the back lighting making my shooting difficult.  I thought after this shooting session that the bird probably evaluates the light much as I would and feels more comfortable when it can seem me in good light.

Savannah Sparrow
I liked watching and hearing it do its call.

Savannah Sparrow
I saw another bird that morning.  It was in a dead tree, perhaps excavating a nest hole.  It was very careful to remain on the other side of the limb from me.

Hairy Woodpecker
Shooting was, of course, difficult given the limb in the way.  I thought that the bird was a Hairy Woodpecker.  I fear that I may need camouflage in order to shoot this kind of bird.  Maybe I could sit quietly as the weather warms and make them more comfortable.

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Wednesday, March 19, 2014

turdus migratorius

American Robin
I was walking down a trail protected from the wind the other morning and saw perhaps a dozen or more robins feeding.  I almost always have my long lens mounted and ready so I began to shoot.  This one hopped toward me.

American Robin
It began to feed on what looked like a grub in the taller grass.

American Robin Swallowing the Grub
I swallowed the grub and looked at me with a satisfied look on its face.

Satisfied American Robin
Does a robin have looks on its face?  I just thought that it looked satisfied.

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Monday, March 17, 2014

Quartz/Lava

Lava/Quartz
This is one I thought interesting.  I wish I could learn to do it right, in camera, the first time but I still make mistakes.  This was an Helicon Focus series which did not look very sharp after processing.  I just did not feel the result satisfactory.  At 100% the focus looked soft.

close up
 I was unhappy with the result so I considered the cause.  Could be my old eyes?  What could be causing it?  I realized that I had been shooting at f/22 and decided to try shooting at f/11.  It might have been diffraction causing the problem.  Diffraction occurs when the aperture is so small that the light becomes turbulent as it passes through the small opening.

Quartz/Lava
I reshot the series and was pleased with the improvement.  

close up
I think that you can see the improvement.  This is a visual representation of the effects of diffraction.  It you wish to read more on diffraction, Lloyd Chambers, discusses it.  Click on diffraction on his keywords page.

I ran out of time working on this rock that day and, at the moment, I can't think what was the purpose of a further "redo" I gave myself on it.

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Sunday, March 16, 2014

Birds at Gorman

American Robin
I am sure this bird has been seen but others but it was my first, probably because I am late getting out.

Eastern Bluebird
Eastern Bluebird
These images were captured on March 11.  I knew that I needed to look into the hyperfocal issue from the previous day.  My first thought was that I had been careless in setting to the scale on the lens.  I made another image, similar to the previous day, using the hyperfocus scale first.

Gorman Visitor's Center
I was more careful setting the hyperfocus scale for this one.  The result was disappointing.

closer look

I was disappointed to see that the visitors center was not sharp.  The grass was good.

I became aware by checking sharpness in camera so I tried to think of another way and remember that I had the android app DOF Calculator on my phone.

Visitor Center
I checked the image in camera and was quite pleased.  The lens was set on 35mm so I input that into the app along with my f/setting, f/16.  

Used DOF Calculator App
I input the setting suggested by the calculator and was happy.  This android app is available at the Google Playstore and I believe it is free.  If you try it let me know what you think.

I did a preliminary search to see if anyone had noticed this issue for the Sigma 24-70, f/2.8 lens but could find nothing.  If you are aware of this please let me know.

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