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Various series of posts on different subjects related to and involving photography.

More or less a self-designed, self taught refresher course to polish old skills and learn new ones.

  1. Eyelight Plays with Depth of Field - Part 8: The shift in the near and the far.

    These are charts depicting total DOF and the shift between the DOF in front of the focal point and the DOF in rear of the focal point. The calculations use the CoC (circle of confusion) of a DX sensor, though the trend appears similar for FX. Each chart uses a focus distance of 1 meter, the focal length listed above it and progresses thru the apertures
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  2. Eyelight Plays with Depth of Field - Part 9: Magnification

    Magnification is achieved by a combination of focal length and focus distance.

    Took a few days to come up with the right equations to use DOF equivalent focal length & focus distance combinations. Basically started with the DOF equations for a series of focal lengths. Then determined an increase in distance that would result in the
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    Updated 07-12-2014 at 08:07 PM by Eyelight

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    Attached Thumbnails Attached Thumbnails change the setting- D200 camera-eyelights-dof-comp-fl-fc.png  

  3. Eyelight Plays with Depth of Field - Part 7: DOF Based on View Size

    This comparison uses the same aperture (f/11) and same subject/view size (16.78) with four different focal lengths.


    • The red line represents the width of the subject/view.
    • Positions a, b, c and d represent camera positions using the four focal lengths in the table.
    • Black lines represent angle of view for each focal length.
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    Updated 07-01-2014 at 06:34 AM by Eyelight

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  4. Eyelight Plays with Depth of Field - Part 6: See the Depth of Field

    Thought this was an interesting shot in that the depth of field is clearly visible on the surface of the concrete. The bug's body is roughly 1/8" wide and barely fits in the depth of field.


    Attachment 98536

    Cropped view
    Attachment 98537
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    Updated 07-01-2014 at 06:48 AM by Eyelight

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    Attached Thumbnails Attached Thumbnails Nikon stores in California-dsc_0107_960.jpg  

    Nikon stores in California-dsc_0107-2_960.jpg  

  5. Eyelight Plays with Depth of Field - Part 5

    Note: This post was copied from the topic "What did you learn Today?" in Learning Photography Forum as it seemed more of a bloggy idea.

    This may be common knowledge, but something my film camera provided better info than the D3200. So, continuing to deepen my grasp of the way DOF works and perhaps come up with an easier way for
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    Updated 05-23-2014 at 05:11 AM by Eyelight

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  6. Eyelight Plays with Depth of Field - Part 4

    Note: This post was copied from the topic "What did you learn Today?" in Learning Photography Forum as it seemed more of a bloggy idea.

    It's been a photographically eventful day.

    Started out working on a shortcut method of keeping track of DOF, but was sidetracked by focusing issues. The initial subject was
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    Updated 05-23-2014 at 05:13 AM by Eyelight

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  7. Eyelight Plays with Depth of Field - Part 3

    Note: This post was copied from the topic "What did you learn Today?" in Learning Photography Forum as it seemed more of a bloggy idea.

    Read something the other day that I'd never heard; the idea that depth of field would remain constant as focal length changes provided the subject occupies the same portion of the image.
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    Updated 05-23-2014 at 05:05 AM by Eyelight

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  8. Eyelight Plays with Depth of Field - Part 2

    Note: This post was copied from the topic "What did you learn Today?" in Learning Photography Forum as it seemed more of a bloggy idea.

    This is what I learned today.

    Trying to come up with an easy way to explore the depth of field on the 55-200mm, so I set up the D3200 on a tripod aimed at the 10' mark on a tape measure.
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    Updated 05-23-2014 at 05:04 AM by Eyelight

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  9. Eyelight Plays with Depth of Field

    Note: This post was copied from the topic "What did you learn Today?" in Learning Photography Forum as it seemed more of a bloggy idea.

    Been too long away from creative photography and trying to refresh the old knowledge and learn about new equipment.

    Basic idea is to plan a shot, take the shot and learn.
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    Updated 05-23-2014 at 05:12 AM by Eyelight (Cleanup Copy)

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  10. Finding the Light

    Was playing around with Elements Organizer 11 and think I may have found the lost spirit of an ancestor or maybe just a cow.

    Replacement of D90 model-new-picture.jpg
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