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DPChallenge Forums >> Individual Photograph Discussion >> Ribbon shot question - why use this aperture?
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Showing posts 1 - 13 of 13, (reverse)
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03/15/2006 12:17:12 AM · #1


First of all, congratulations on the ribbon, a stunning photo!
My question as a newbie is, why use F16 and not F2.8 or anything larger? Isn't the "faster" aperture more suitable for these sort of fast shots?
Please guide me, thanks!
03/15/2006 12:39:19 AM · #2
The shot was taken at 1/500 sec which is fast enough, increasing the arpeture will allow faster speeds but this 1/500 is sufficent. The smaller arpeture gives better depth of field.

Message edited by author 2006-03-15 01:01:50.
03/15/2006 12:43:30 AM · #3
Just to straighten things out, f/2.8 is a "larger" aperture, f/22 is a "smaller" aperture. The smaller the aperture, the greater the DOF. ON this extreme a closeup, a smallish aperture is mandatory if you want sharpness throughout.

Robt.
03/15/2006 12:46:38 AM · #4
I think I understand the point of confusion.

Lenses with larger apertures are often called fast. ie, a f1.4 lens is "faster" than an f/5.6 lens.

The reason the lens is faster is because the larger aperture allows for higher shutter speeds in a given amount of ambient light.


03/15/2006 12:48:19 AM · #5
I think the exposure was perfect on this and the dof proves it...2.8 would have been disastrous, though the action would have been frozen with a faster shutter speed
03/15/2006 12:53:06 AM · #6
Even with f16 the extreme back part of the splash is still OOF. As already stated, f16 was used to get the most DOF possible without compromising on the shutter speed.


03/15/2006 01:16:37 AM · #7
Originally posted by cpanaioti:

Even with f16 the extreme back part of the splash is still OOF. As already stated, f16 was used to get the most DOF possible without compromising on the shutter speed.


I got it now.
Really good camera controls!
I'm impressed.
03/15/2006 09:28:29 AM · #8
I wouldn't have thought that the shutter speed would matter in this shot, considering flashes were used. I imagine 1/500th was used because it is the D70's x-sync speed. As long as your flashes are sufficiently powerful, you can control aperture without having to worry about exposure.
03/15/2006 09:36:01 AM · #9
Originally posted by riot:

I wouldn't have thought that the shutter speed would matter in this shot, considering flashes were used. I imagine 1/500th was used because it is the D70's x-sync speed. As long as your flashes are sufficiently powerful, you can control aperture without having to worry about exposure.


yep. that's it
03/15/2006 09:55:06 AM · #10
Originally posted by fotomann_forever:

I think I understand the point of confusion.
...


Don't you mean "circle" of confusion?
03/15/2006 10:38:05 AM · #11
Originally posted by joebok:

Don't you mean "circle" of confusion?


Circles of confusion just make me dizzy...... :-)
03/15/2006 10:40:30 AM · #12
Originally posted by joebok:

Originally posted by fotomann_forever:

I think I understand the point of confusion.
...


Don't you mean "circle" of confusion?


When I get involved it usually does turn into a circle of confusion ... LOL
03/15/2006 06:14:28 PM · #13
geee ! what are we saying here ??? :-S

LOL
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