Uploaded: May 24, 2013


600 mm f: 11 Focus Distance 50 Feet =
Total Depth of Field .72 Feet or
8 5/8 Inches of Focus

In optics, particularly as it relates to film and photography, depth of field (DOF) is the distance between the nearest and farthest objects in a scene that appear acceptably sharp in an image. Although a lens can precisely focus at only one distance at a time, the decrease in sharpness is gradual on each side of the focused distance, so that within the DOF, the unsharpness is imperceptible under normal viewing conditions.


Robert R. Goodman level-addict May 24, 2013

Hi Wm,Looks like your having a great spring.Excellent capture my friend!!!! #1529469

Tammy M. Anderson level-deluxe May 24, 2013

A beautiful bunch of tulips. Great colors. #10705108

Nancy L. Green level-classic May 24, 2013

What a cool idea, no better way to demonstrate DOF!!! <>< #10705303

John Connolly May 25, 2013

A beautiful scene with excellent selective focus Wm! A great explanation of Depth of field!
I found my old Nikon Nikkormat while I cleaning out a cupboard yesterday! What a great old camera and blast from the past! #10706341

Michelle Alton May 25, 2013

I loved your description of DOF...almost poetic. Not many of us (including me) could actually define depth of field.

Oh, and by the way, the photo is beautiful. #10706468

Lydia Williams level-deluxe May 25, 2013

A beauty, Wm...thanks! #10706480

Wm Nosal May 26, 2013


Stephen Zacker May 28, 2013

Stunning #10711959

JudyAnn Rector level-deluxe May 29, 2013

Nicely done, Wm! #10714047

JO ANN CLEVELAND June 01, 2013

Love, love, lovethis Wm!

p.s. Hope you are feeling better!

jo ann c. #10718032

Julianne Bradford June 01, 2013

Your doing some pretty great one handed photography Wm! #10718563

Laura E. Swan level-classic June 01, 2013

Ooo! What a great class in DOF today! Thank you! I knew what it was but had no idea how to say it!

This is a beautiful image Wm! I LOVE YOUR DOF! (HA!)

Did you get my e-mail with the download link in it or making your Windows 8 experience great to use? Check your e-mails from Lydia it's in there! The link is there in that mail for you for the shell to upgrade windows 8 and it's free! I sent you a BP mail on it, too! :) I thought it was $30.00 or more but was wrong. It will make your windows 8 like windows 7! I promise! :D

Great job here!!!

-Laura :D #10718750

Wm Nosal June 04, 2013

Thanks #10722138

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