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Tamron Af SP 90mm F2.8 Macro

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Author Previous TopicReplies: 31 / Views: 4,828Next Topic Page 3 of 3
Valued Member
United States
70 Posts
 Posted 02/01/2014  3:41 pm  Show Profile   Bookmark this reply Add JeffMTampa to your friends list
I shot a few photos of some of my Barber halves today with the Tamron lens tethered in M mode:


Tamron-Af-SP-90mm-F2.8-Macro

Tamron-Af-SP-90mm-F2.8-Macro

Tamron-Af-SP-90mm-F2.8-Macro

Tamron-Af-SP-90mm-F2.8-Macro

Tamron-Af-SP-90mm-F2.8-Macro

Tamron-Af-SP-90mm-F2.8-Macro

Constructive criticism appreciated- I need to learn.
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United States
23522 Posts
 Posted 02/01/2014  4:08 pm  Show Profile   Bookmark this reply Add SsuperDdave to your friends list
First constructive criticism: It takes a bit of a touch to get the CCF Uploader to provide large images, which are what we need for appropriate evaluation. You're likely getting very large images and having to downsize heavily to post here; what we need are images of at least 800 pixels in diameter (actual coin size) to be able to see what's actually going on with the photos.

Grab yourself a (free) membership at Photobucket, postprocess your images to 800-000px diameter, and post them here from there. Here's a tutorial for Photobucket posting:

https://goccf.com/t/53146
Valued Member
United States
70 Posts
 Posted 02/01/2014  5:17 pm  Show Profile   Bookmark this reply Add JeffMTampa to your friends list
Let's see if this is better:
Tamron-Af-SP-90mm-F2.8-Macro
Tamron-Af-SP-90mm-F2.8-Macro
Tamron-Af-SP-90mm-F2.8-Macro
Tamron-Af-SP-90mm-F2.8-Macro

OK Super Dave, lay it on me. I'll post pics of the XF coin as well.
Valued Member
United States
70 Posts
 Posted 02/01/2014  5:25 pm  Show Profile   Bookmark this reply Add JeffMTampa to your friends list
And her are a couple of pictures of an XF 45 1914 S Barber Half:
Tamron-Af-SP-90mm-F2.8-Macro
Tamron-Af-SP-90mm-F2.8-Macro

I used two daylight fluorescent bulbs with tissue paper diffuser (high tech.) for lighting. Advice please!
Valued Member
United States
70 Posts
 Posted 02/01/2014  5:36 pm  Show Profile   Bookmark this reply Add JeffMTampa to your friends list
And a few shots of a raw 1907 D AU Barber Half:
Tamron-Af-SP-90mm-F2.8-Macro
Tamron-Af-SP-90mm-F2.8-Macro

I'm not as happy with these images.
Pillar of the Community
United States
3161 Posts
 Posted 02/01/2014  7:23 pm  Show Profile   Bookmark this reply Add srs77 to your friends list
Congrats Jeff! Their great shots.... have you had a chance to use the tubes yet?
Valued Member
United States
70 Posts
 Posted 02/01/2014  9:39 pm  Show Profile   Bookmark this reply Add JeffMTampa to your friends list
With the full set of Macro tubes:
Tamron-Af-SP-90mm-F2.8-Macro
Pillar of the Community
United States
3161 Posts
 Posted 02/01/2014  10:08 pm  Show Profile   Bookmark this reply Add srs77 to your friends list
Holy smokes that's cool! Great detail! Love the die break along the bottom.
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 Posted 02/01/2014  10:08 pm  Show Profile   Bookmark this reply Add SsuperDdave to your friends list

Quote:
With the full set of Macro tubes:


Snerk. Cool, ain't it?

I think your lighting might be at a bit too low an angle on the 1907; I'm expecting to see the highlights a bit "higher" on the nose, chin, forehead and cap. Is the color on the 1905 correct? Maybe a bit over-diffused? Thinking I should see more luster.
Valued Member
United States
70 Posts
 Posted 02/01/2014  10:26 pm  Show Profile   Bookmark this reply Add JeffMTampa to your friends list
I'll try adjusting the lighting on the '07. On the '05 that's all the luster there is- original toning. All shots were done with the lighting in identical positions.
Valued Member
United States
70 Posts
 Posted 02/02/2014  08:21 am  Show Profile   Bookmark this reply Add JeffMTampa to your friends list
Here's a nice MS 1949 Franklin half with the identical setup:

Tamron-Af-SP-90mm-F2.8-Macro

Perhaps it's easier to critique where it's easier to know what the coin should look like in hand.
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United States
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 Posted 02/02/2014  11:36 am  Show Profile   Bookmark this reply Add SsuperDdave to your friends list

Quote:
Perhaps it's easier to critique where it's easier to know what the coin should look like in hand.


You, of course, have to be the ultimate judge of how close the image is to in-hand. Keep in mind, though, that you're going to need to look at the coin under the same light you're using to shoot it, to make that determination.

You're getting all the sharpness one would expect out of the lens. However, I don't think you're 100% square to the coin - the bottom of the Franklin looks a little out of focus while the top is super-sharp. Drop a pocket mirror onto the surface which holds the coin, and adjust the camera so the reflected image of the lens is exactly centered in the taken shot. That'll ensure you're plumb, square and level with the coin.
Valued Member
United States
70 Posts
 Posted 02/02/2014  11:44 am  Show Profile   Bookmark this reply Add JeffMTampa to your friends list
You are correct- I was looking for a mirror yesterday and couldn't find one that wasn't attached to a wall. Super Dave, you have good eyes!

CVS here I come.

I tried adding close-up lens stacked with the tubes on the Tamron- it really didn't let me focus any closer than with just the tubes (unless I was doing something wrong).
Valued Member
United States
70 Posts
 Posted 02/24/2014  12:50 pm  Show Profile   Bookmark this reply Add JeffMTampa to your friends list
I've been practicing a bit with different lighting techniques (1 to 3 lights, angles, etc.). I think I'm getting better.

A shot from yesterday:
Tamron-Af-SP-90mm-F2.8-Macro
Tamron-Af-SP-90mm-F2.8-Macro

Any constructive criticism? I'm using daylight fluorescent lights- are they too soft?
Valued Member
United States
70 Posts
 Posted 02/24/2014  12:55 pm  Show Profile   Bookmark this reply Add JeffMTampa to your friends list
Another coin where I used Paint.net to get a circle crop:
Tamron-Af-SP-90mm-F2.8-Macro
Tamron-Af-SP-90mm-F2.8-Macro
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