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David Goldfarb
{K:7611} 6/12/2001
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DOF preview can be tough with macro, if you're using natural light. I like to use an extra light, like a high intensity flashlight, close to the subject just for focusing, then I turn it off for the actual shot.
If you want to use the scale on the lens, you might err on the side of caution by using the lines corresponding to one stop wider than your actual aperture, so if you're shooting at f:16, use the lines for f:11.
Velbon and Bogen both make macro rails. A double rail that also lets you do left-right adjustments is handy.
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Richard Walters
{K:480} 6/12/2001
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Artie, yep ... I understand ... tried to bypass the scale and use the dof-preview button ... things looked good at the time of the shot ... but it was probably too dark for me to judge correctly ... guess I'll step back to using the colored scale dof guidelines on lens or start getting really patient with reading dof-previews.
Gary, I was using a bean bag for this one ... still looking for a good place to purchase a macro-slide for regular tripod mount ... haven't found a good one yet ... did I already ask you for a web address ... I forget ...
thanks for the encouragement guys ... if macro were easy ... it wouldn't be so rewarding when you get it right.
Love the challenge with accompanying failures and sucesses. Still striving for excellence! :)
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Artie Colantuono
{K:12275} 6/12/2001
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Rich as gary explained POF is accurate....DOF refers to depth of field while POF is the point of focus or area you want to get the viewer to.........You can judge this easier by using your lens barrel markings; as the stop down shows you about but the viewfinder magnification is not great enough for you to really see..........on your lens barrel you have a line that shows you are focused at lets say 5ft....now notice your aperture setting is f16.....if you look on the barrel there is an f16 marking on both sides of the focus indicator..........now you know you are focused at 5ft......the lens barrel shows the left f16 at 3ft and the right f16 at 8 ft......this all means that focused at 5 ft at f16 everything from 3 ft to 8 ft will be in sharp focus....cool............but what if you want 2 ft to 7 ft focused not 3 ft to 8 ft......easy turn the barrel till the 2 ft is under the left f16 and the 7 ft is under the right f16.........now 2 ft to 7 ft will be in focus.......you'll now notice the focus point you had on the line is no longer at 5 ft....maybe now its at 4 ft.....this is called the hyperfocal distance.........
Do you understand? if not e me and we can have a phone conversation that might make it easier..........
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Richard Walters
{K:480} 6/12/2001
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Gary, not familiar with POF ... what are you refering to? I agree with everything. If I could control dof ... then I'd be in business. I used the depth of field preview and thought I had it ... Looks like I have to push a little more than what I see or else focus on leading instead of middle. Little help here ... is it better to focus on leading or middle of what you want to be in focus. Thank for the help ahead of time Gary ( I'll get there yet ).
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