Burt Johnson wrote:
> http://www.modernbook.com/flowersandleaves/images.htm
>
> Pick any of them along the bottom. I am impressed with the whole batch.
> This person was part of a photo display at a local camera store
> recently. I was wow'd enough that I thought I would try it... and got
> junk... :-(
>
> Turns out to be harder than I thought to shoot transparent glass against
> white and knock out the background...
>
> My shots have the vase looking grey and dull, and I have a heck of a
> time properly knocking the background out because there are places the
> vase just disappears (it _is_ transparent, after all).
It would help to see what you are getting (before trying to photoshop).
Those shots look backlit as if they were set on a wrap-around light
table. I took some shots of glass electric pole insulators stacked in a
windowsill the other day and they came out beautiful... I'll just credit
luck on that but apparently back-lighting works.
http://edgehill.net/Misc/misc-photos/3-22-08-insulators
> This person has somehow mastered this technique. Nicely illuminated
> images. Great transparent glass, yet with well defined edges.
> Background cleanly knocked out -- I saw the 20X24 prints and up close
> they were immaculate.
>
> The plants in my vases look fine. If I could get the glass to look like
> this, I would consider it a personal success.
>
> I have tried a light tent, and no tent. Lights on sides, top, back in
> various combinations. I have tried tungsten, but not yet flash (I don't
> have enough of them for a good multi-flash setup), but can't see how
> that would make any difference for a still object like this.
>
> My Photoshop skills are "early intermediate" I guess. I can do the
> basics, and periodically wow the family with fixing bad snapshots, or
> taking that tree out of the niece's head (or salvaging a terrible Board
> of Directors shoot my wife did last year where she did not notice the
> streak of light from the window going right over their faces...). I
> barely understand masks, smart objects, or the other more advanced
> tricks of CS3 (which I own) though.
>
> Any suggestions? Hints? Tutorials (!) ?
>
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