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Found This Set Up. Opinions Please.

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Pillar of the Community
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 Posted 05/19/2015  10:46 pm  Show Profile   Bookmark this reply Add rmpsrpms to your friends list Get a Link to this Reply
Dave...Dar's is a Canon...EFLC went Nikon. I was confused in EFLC's thread as well, as I'm not really sure if Nikon Live View metering is same as Canon...
Contact me for photographic equipment or visit my home page at:
http://macrocoins.com
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Dar's Avatar
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 Posted 05/20/2015  12:10 pm  Show Profile   Bookmark this reply Add Dar to your friends list Get a Link to this Reply
Like Ray said, I'm shooting Canon 70D.

The RAW format of the image is 256 MB. Can't get it in an e-mail. Do you know how I would do this? Do I need a third party image host?

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Dar's Avatar
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 Posted 05/20/2015  12:23 pm  Show Profile   Bookmark this reply Add Dar to your friends list Get a Link to this Reply


Quote:
Have you tried to defuse the lights?

Not yet.
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Dar's Avatar
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 Posted 05/20/2015  3:46 pm  Show Profile   Bookmark this reply Add Dar to your friends list Get a Link to this Reply
Ok, here is the same coin with the Rev this time. Cropped and resized using Gimp.

I changed to Eval metering, and set to Neut on most everything.

Found-This-Set-Up.--Opinions-Please.

Found-This-Set-Up.--Opinions-Please.
No PP except for cropping. I don't like the lighting. I know its a low relief coin by nature, (although I think it's a decent strike for a Cir Strike), and I think adding another light would wash it out. I guess this is where I would have to play with the image in PP? Am I on the right path?

Better? What do you think?
Edited by Dar
05/20/2015 3:48 pm
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Dar's Avatar
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 Posted 05/20/2015  5:00 pm  Show Profile   Bookmark this reply Add Dar to your friends list Get a Link to this Reply
New images same settings with the exception of Custom WB to an 18% gray card.

Custom WB
Found-This-Set-Up.--Opinions-Please.
Tungston

Found-This-Set-Up.--Opinions-Please.
Custom WB

Found-This-Set-Up.--Opinions-Please.
Tungston

Found-This-Set-Up.--Opinions-Please.
What do you think?
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SsuperDdave's Avatar
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 Posted 05/20/2015  6:15 pm  Show Profile   Bookmark this reply Add SsuperDdave to your friends list Get a Link to this Reply
I've no idea whether the color is correct, nor will anyone else except you. With no background for reference I've no way of knowing if your White Balance is correct or not.

We have so many people doing so many things I can't keep up.

Your RAW file seems a factor of 10 larger than it should be. 18MP RAW files from a T2i are only 22-23MB. 250+ MB is ridiculous, too large to shoot RAW with any regularity. I can only imagine how long something like that would take to convert to JPG - have you tried one? My system - very similar to yours, same overclocked processor - took about 15 seconds to convert a T2i RAW file.

You're at the point of needing to play a bit with diffusion on lustrous coins. That will help the light/dark look of your images, and in conjunction with specifying metering locations you can lengthen exposures and get the whole coin a bit brighter.
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Dar's Avatar
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 Posted 05/20/2015  7:07 pm  Show Profile   Bookmark this reply Add Dar to your friends list Get a Link to this Reply

Quote:
We have so many people doing so many things I can't keep up.

You guy's started this snow ball.


Quote:
I've no idea whether the color is correct, nor will anyone else except you. With no background for reference I've no way of knowing if your White Balance is correct or not.

Whats the best backround to use whould you say then? I was cropping to get rid of the backround because I thought it would detract from the image. I'll leave the construction paper and repost.



Quote:
Your RAW file seems a factor of 10 larger than it should be. 18MP RAW files from a T2i are only 22-23MB. 250+ MB is ridiculous, too large to shoot RAW with any regularity


Sorry, I know I mistyped that, but only after reading your response. It's 25.xx MB.

It only takes about 2-4 sec's to convert.
Edited by Dar
05/20/2015 7:10 pm
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Dar's Avatar
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 Posted 05/21/2015  4:13 pm  Show Profile   Bookmark this reply Add Dar to your friends list Get a Link to this Reply
Ok, here are the 2 different WB settings with a portion of the backround for comparison.

Tungsten
Found-This-Set-Up.--Opinions-Please.

Custom
Found-This-Set-Up.--Opinions-Please.

Tungsten
Found-This-Set-Up.--Opinions-Please.

Custom
Found-This-Set-Up.--Opinions-Please.

Just Black construction paper.
Which do you think? Does this help?

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Dar's Avatar
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 Posted 05/22/2015  4:49 pm  Show Profile   Bookmark this reply Add Dar to your friends list Get a Link to this Reply
Here are shots taken with both the Vivitar-LU 75mm, 1:35 Lens as well as the other Len's Ray sent. The other lens is in an El-Nikkor case and say's PERFEX Anastigmat, 75mm 1:45.
I have no idea if this is the make or was just a spare case you had around? Ray?
Which do you like?

Vivitar
Found-This-Set-Up.--Opinions-Please.


Other
Found-This-Set-Up.--Opinions-Please.

Also another shot with the Nikon M5 microscope objective. Single image.

Found-This-Set-Up.--Opinions-Please.
Opinions Please.

(ps: Charlie Likes )
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pepactonius's Avatar
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9395 Posts
 Posted 05/22/2015  5:15 pm  Show Profile   Bookmark this reply Add pepactonius to your friends list Get a Link to this Reply
Great macro shot of the "D" -- did you use stacking, or is this a single shot?
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Dar's Avatar
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1476 Posts
 Posted 05/22/2015  5:32 pm  Show Profile   Bookmark this reply Add Dar to your friends list Get a Link to this Reply
Thank you.

This is just a single shot. I just got a chance today to try the M5 microscope objective and adapter with the Canon 70D.
I'm going to start playing with stacking in the very near future.

Any opinion on the 2 shots with the different len's?
I think I like the Vivitar for this shot. It seem's a little sharper to me but would like some different opinions.
Edited by Dar
05/22/2015 5:35 pm
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 Posted 05/22/2015  5:53 pm  Show Profile   Bookmark this reply Add rmpsrpms to your friends list Get a Link to this Reply
Dar...great to see the high magnification image with the M5! Note that your M5 shot is much higher than 5:1 magnification. Looks almost 10:1. This is not a bad thing, as the objective can be used over a wide range, but sharpness will be even better if you run it a bit lower mag. If this is the magnification you're looking for, then you might want to consider a higher mag objective to get even more sharpness at this mag level. Of course, no matter what, the quality is high enough that you will need to stack to get the entire depth of field in focus.

Regarding the Perfex vs Vivitar, they look very similar to me. Looks like you were focused a bit higher with the Perfex. The lapel area on Perfex is sharper than on the Vivitar, but Date and MM are sharper on the Vivitar. You're shooting near 1.5:1 magnfication so depth of field is going to be fairly shallow. You may need to do a 3-stack at this magnification to get all parts of the image in focus. When you do that, I would bet you could not tell the difference between the two lenses until you look at 100% pixel level, and even then it will be subtle.

Note the brand is Perfex, which is a marketing brand of some unknown lens mfr. I sent it in a spare Nikon case I had. It did very well in the original 75mm shootout I did several years ago...
Contact me for photographic equipment or visit my home page at:
http://macrocoins.com
Edited by rmpsrpms
05/22/2015 5:56 pm
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Dar's Avatar
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 Posted 05/22/2015  6:25 pm  Show Profile   Bookmark this reply Add Dar to your friends list Get a Link to this Reply
Ray, I did not move the bellows when I switched out between the 2 len's. How are you determining the approx. mag level and how can I determine what it is and how do I adjust it? Any easy way to do this?
Also, I'm not up to speed on microscope objectives either. Whhere would I find out which are more mag and which are less? I would want to stick with the Nikon one's because of the adapter I have or will I need different adapters?

Sorry about the barrage of questions.

Here another.

How was your trip?
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aardspeed's Avatar
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 Posted 05/22/2015  6:45 pm  Show Profile   Bookmark this reply Add aardspeed to your friends list Get a Link to this Reply
Dar:



This is an awesome site for taking coin pics:

http://coinimaging.com/photography.html
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Dar's Avatar
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1476 Posts
 Posted 05/22/2015  7:00 pm  Show Profile   Bookmark this reply Add Dar to your friends list Get a Link to this Reply
Thank you!

Bookmarked!
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