It's not the way I first got the app but apparently today you have to
join this Yahoo group <http://tech.groups.yahoo.com/group/combinez/> and
download the files from the group's files section. I just noticed
there's a later version available.
Chuck Norcutt
Rand E wrote:
> Chuck,
> Would you post the URL where CombineZM can be had.
> Thanks,
> Rand E.
>
>
> Chuck Norcutt wrote:
>> Quite some time ago I downloaded some free software that does image
>> stacking ("CombineZM" by Alan Hadley) but never tried to use or study
>> it. CombineZM can be used to stack images for improved depth of field,
>> add exposures (as in astrowork), increase dynamic range, etc. (yes,
>> there's more)
>>
>> Today I noticed the beautiful blossoms on a crabapple tree so snipped
>> off a small branch and setup indoors to take a series of shots with a
>> Viv Series 1 90/2.5 macro intending to get all of the blossoms in focus
>> across the full width of the branch. I ended up with a set of 7 frames
>> each focused about an inch apart. I started to peruse the instructions
>> which seemed rather daunting so decided simply to press ahead and see if
>> I could find the automated procedures. I did but they made a perfect
>> mess of the result.
>>
>> First, I knew that changes in focus were going to cause slight
>> differences in magnification. But I was surprised to see just how much
>> the magnification does change. Across the full 7 frames the image
>> shrank about 3-4%. When I directed the software to do it's thing I
>> ended up with a series of overlaid images all of slightly different
>> size. Not what I expected. I guess I may be forced to read the
>> instructions to figure out how to resize the images for a precise overlay.
>>
>> Finally, and I don't know how I'm going to defeat this part, I noticed
>> that over the 7 minutes I took to take the 7 shots that several blossoms
>> visibly wilted during the session and sagged on their stems by roughly
>> their own full width in the 7 minute session. Guess I'm going to have
>> to get faster.
>>
>> Anyhow, anyone have any experience in doing this sort of thing. Any advice?
>>
>> Thanks,
>> Chuck Norcutt
>>
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