From: Wilba on
Paul Furman wrote:
> Mike Russell wrote:
>>
>> Here's something similar that will work on most versions of PS
>> http://www.anntorrence.com/blog/2008/02/multiply-and-screen-to-adjust.html
>
> Wow, thanks! Interesting how he ...

� Ann Torrence. :- )

> ... duplicated the effect with curves and that looks a lot like a gamma
> adjustment. Seems like it incorporates the linear-data conversion to
> adjusted-for-human-perception idea (if that makes sense).

Yeah, very interesting to see. Layer blending modes always seems like
black-magic to me, since I don't have a clue what's really going on. I often
feel like a monkey with a typewriter with a lot of Photoshop.

> "Multiply/Screen"
> -storing that away for future use...
>
> Fascinating to overlay those two files in PS & scroll through the layer
> modes. Pick one from the drop-down then use the up/down arrow
> keys to browse.

Isn't it? I wish I'd thought of that. :- )


From: John McWilliams on
Paul Furman wrote:
> Wilba wrote:
>>
>> "Stop" is used to mean "equivalent to an f-stop", but that's not what
>> it literally means. In that case it's a misnomer, like "shutter speed"
>> for what is actually shutter duration, "post-mortem" for autopsy,
>> point-blank range, 10-speed bike, ...
>>
>>> Whether aperture, shutter speed, filters, light levels (control of
>>> flash or constant lighting by any means) it's a "stop" (or fraction
>>> thereof).
>>
>> How do you "stop down" a shutter speed or ISO?

Usually by halving the time it's open in the first case, and by doubling
the number in the second....

> Or even worse, how do you "stop up" a camera?

Quick-set (cement) works well, as does hot tar.

--
john mcwilliams
From: Savageduck on
On 2009-10-10 20:33:56 -0700, John McWilliams <jpmcw(a)comcast.net> said:

> Paul Furman wrote:
>> Wilba wrote:
>>>
>>> "Stop" is used to mean "equivalent to an f-stop", but that's not what
>>> it literally means. In that case it's a misnomer, like "shutter speed"
>>> for what is actually shutter duration, "post-mortem" for autopsy,
>>> point-blank range, 10-speed bike, ...
>>>
>>>> Whether aperture, shutter speed, filters, light levels (control of
>>>> flash or constant lighting by any means) it's a "stop" (or fraction
>>>> thereof).
>>>
>>> How do you "stop down" a shutter speed or ISO?
>
> Usually by halving the time it's open in the first case, and by
> doubling the number in the second....
>
>> Or even worse, how do you "stop up" a camera?
>
> Quick-set (cement) works well, as does hot tar.

A caulk gun seems to be the instrument of choice here.

--
Regards,

Savageduck

From: Paul Furman on
Savageduck wrote:
> On 2009-10-10 20:33:56 -0700, John McWilliams <jpmcw(a)comcast.net> said:
>
>> Paul Furman wrote:
>>> Wilba wrote:
>>>>
>>>> "Stop" is used to mean "equivalent to an f-stop", but that's not
>>>> what it literally means. In that case it's a misnomer, like "shutter
>>>> speed" for what is actually shutter duration, "post-mortem" for
>>>> autopsy, point-blank range, 10-speed bike, ...
>>>>
>>>>> Whether aperture, shutter speed, filters, light levels (control of
>>>>> flash or constant lighting by any means) it's a "stop" (or fraction
>>>>> thereof).
>>>>
>>>> How do you "stop down" a shutter speed or ISO?
>>
>> Usually by halving the time it's open in the first case, and by
>> doubling the number in the second....
>>
>>> Or even worse, how do you "stop up" a camera?
>>
>> Quick-set (cement) works well, as does hot tar.
>
> A caulk gun seems to be the instrument of choice here.

Yank the battery, works on most.

--
Paul Furman
www.edgehill.net
www.baynatives.com

all google groups messages filtered due to spam
From: Savageduck on
On 2009-10-10 20:50:09 -0700, Paul Furman <paul-@-edgehill.net> said:

> Savageduck wrote:
>> On 2009-10-10 20:33:56 -0700, John McWilliams <jpmcw(a)comcast.net> said:
>>
>>> Paul Furman wrote:
>>>> Wilba wrote:
>>>>>
>>>>> "Stop" is used to mean "equivalent to an f-stop", but that's not what
>>>>> it literally means. In that case it's a misnomer, like "shutter speed"
>>>>> for what is actually shutter duration, "post-mortem" for autopsy,
>>>>> point-blank range, 10-speed bike, ...
>>>>>
>>>>>> Whether aperture, shutter speed, filters, light levels (control of
>>>>>> flash or constant lighting by any means) it's a "stop" (or fraction
>>>>>> thereof).
>>>>>
>>>>> How do you "stop down" a shutter speed or ISO?
>>>
>>> Usually by halving the time it's open in the first case, and by
>>> doubling the number in the second....
>>>
>>>> Or even worse, how do you "stop up" a camera?
>>>
>>> Quick-set (cement) works well, as does hot tar.
>>
>> A caulk gun seems to be the instrument of choice here.
>
> Yank the battery, works on most.

That just, ...er unplugs it.

--
Regards,

Savageduck