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f8 and be there
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Jun 24, 2017 23:57:33   #
mgstrawn Loc: Atlanta, GA
 
Roadrunner wrote:
f/6 three bursts 1/8, 1/13, 1/5 ISO 100. Tried f/6 because of the short distance and lighting...dunno if it works as such tho......


RR, you did great!

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Jun 24, 2017 23:58:28   #
mgstrawn Loc: Atlanta, GA
 
rehess wrote:
I thought it might be helpful to look at real lenses. Posted below is a picture of two Super Takumar M42-mount lenses. The lens on the left has a focal length of 35mm and the lens on the right has a focal length of 50mm.

The numbers closest to the mount {bottom of the image} are the aperture ring.

The next set of numbers
16-8-4-^-4-8-16
are indicators for the distance scale above.

The red indicator mark shows the distance we are focusing at, while the {aperture} numbers on the right show the closest distance in the DOF, and those on the left show the furthest distance in the DOF.

In this case, I set each lens so that infinity is the furthest distance for F/8 {infinity mark is above "8" on the left side of the indicators.

For the 35mm lens, I am focusing at 15', and everything between 8' and infinity will be in the DOF.

For the 50mm lens, I am focusing at 30', and everything between 15' and infinity will be in the DOF.


added: these numbers make an exercise like this much easier, but they didn't last much beyond the advent of auto focus.
I thought it might be helpful to look at real lens... (show quote)


Very well explained ~ thank you!

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Jun 24, 2017 23:59:39   #
mgstrawn Loc: Atlanta, GA
 
dane004 wrote:
rehess


Dane, this would be a great topic to address during the weekly challenge!

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Jun 25, 2017 00:00:43   #
mgstrawn Loc: Atlanta, GA
 
lhammer43 wrote:
This is a great subject, Dane. Extremely important for high impact in your landscape type images. As you mention later the sweet spot for each lens you own will require some experimentation to what the f/# is to achieve the hyperfocus that will make you images really pop. I'm always experimenting with my lenses mostly because I don't write them down, and the memory's not so good. That's what's so great about digital, experimenting is really economical. Battery charges are cheap compared to film and development costs.
This is a great subject, Dane. Extremely importan... (show quote)


Great photos!

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Jun 25, 2017 00:27:34   #
dane004 Loc: WYOMING
 
lhammer43 wrote:
This is a great subject, Dane. Extremely important for high impact in your landscape type images. As you mention later the sweet spot for each lens you own will require some experimentation to what the f/# is to achieve the hyperfocus that will make you images really pop. I'm always experimenting with my lenses mostly because I don't write them down, and the memory's not so good. That's what's so great about digital, experimenting is really economical. Battery charges are cheap compared to film and development costs.
This is a great subject, Dane. Extremely importan... (show quote)


Thanks Larry i really like both photos

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Jun 25, 2017 02:13:37   #
GSCRS Loc: The Great Northwest
 
I loved these lens. I had several Super Takumars for my Pentax back in my 35 mm film days. Great glass!

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Jun 25, 2017 07:04:18   #
Jerry G Loc: Waterford, Michigan and Florida
 
These dof scales on lenses are great, I used them often when shooting film. However, the requirement of a smaller circle of confusion for crop sensors means these scales would not be accurate if used on other than full frame cameras.

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Jun 25, 2017 10:23:29   #
northsidejoe Loc: pittsburgh
 
Hello members hope ever one is having a wonderful day. This is my selection for f8 be there . This photo was taken last night at 7:30 pm using a 60d 24-105 lens at f8 1/64 iso 100 hand held thanks for looking saying hello from Pittsburgh


(Download)

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Jun 25, 2017 11:01:27   #
cthahn
 
Read up and find some websites that discuss DOF. You have some misconceptions. Shooting everything at f8 is foolish.

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Jun 25, 2017 11:20:16   #
Spirit Vision Photography Loc: Behind a Camera.
 
Or, you can focus on an object 1/3 away from the bottom of your frame, stop down the lens, recompose and you will get the same results.

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Jun 25, 2017 11:37:42   #
rehess Loc: South Bend, Indiana, USA
 
cthahn wrote:
Read up and find some websites that discuss DOF. You have some misconceptions. Shooting everything at f8 is foolish.

Fortunately, "Weegee" Fellig is no longer around, so he won't be hurt by your superior knowledge.

But, to the point of this thread, I didn't see anyone saying you should shoot everything at f/8; this started off as a perfectly valid exercise to see how using apertures like that can result in a deep DOF.

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Jun 25, 2017 18:08:36   #
Roadrunner Loc: Quebec, Canada
 
northsidejoe wrote:
Hello members hope ever one is having a wonderful day. This is my selection for f8 be there . This photo was taken last night at 7:30 pm using a 60d 24-105 lens at f8 1/64 iso 100 hand held thanks for looking saying hello from Pittsburgh


Thanks for dropping by, Sir. That's quite an angle

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Jun 25, 2017 19:42:44   #
northsidejoe Loc: pittsburgh
 
r
Roadrunner wrote:
Thanks for dropping by, Sir. That's quite an angle


Hello Roadrunner your welcome

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Jun 25, 2017 20:44:37   #
oldtigger Loc: Roanoke Virginia-USA
 
northsidejoe wrote:
... This is my selection for f8 be there . ...


nice shot

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Jun 25, 2017 22:19:35   #
Roadrunner Loc: Quebec, Canada
 
Here's something.....Shot this morning, nothing changed

f8 1/320, 1/500, 1/200
f8  1/320, 1/500, 1/200...

f10 same settings
f10 same settings...

f13
f13...

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