Show us some of your macro work.

Discussion in 'Coin Chat' started by ldhair, Dec 6, 2017.

  1. jtlee321

    jtlee321 Well-Known Member

    @ldhair, those are some great macros on those mis-punched and re-punched dates!
     
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  3. semibovinian

    semibovinian Well-Known Member

    A comparison of film macro vs digital:

    More-or-less full frame film shot (scanned in print):

    1805_US_50cents_1x_PS_a.jpg

    This an 1805/4 half dollar. The lens used was a (reversed?) 55mm/f2.8 Micro-Nikkor. This was taken in the late 1980s to the mid 1990s. Color balance has been heavily adjusted in Photoshop. Notice the poor focus and fuzzy detail -- the central split-prism rangefinder circle in the viewfinder would have been totally blacked out, so you had to rely on just the ground glass screen.

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    Here is a digital version of the same coin (but a couple of decades later):

    1805_US_50cents_1x_2015-08-30-04.23.43 ZS DMap_a.jpg

    This is a full frame (4000x6000) image reduced for uploading. It was taken with a microscope objective (either 4x, 5x, or 10x, I don't recall), and focus stacking was used (Zerene Stacker). It's amazing how much easier it is now, with microscope objectives and stacking.
     
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  4. semibovinian

    semibovinian Well-Known Member

    Another film vs digital comparison:

    Film -- mint mark area of an 1890-CC dollar:

    1890_US_1dollar_mmCC_1x_PS_a.jpg


    Same coin, with digital:

    1890_US_1dollar_mmCC_1x_2015-08-30-04.51.06 ZS DMap_a.jpg

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    Here's a digital close-up of a 1956-D US cent with a repunched mint mark (full frame):

    1956_US_1cent_mmD_RPM1_2016-07-30-00.33.59 ZS DMap_a.jpg


    This one was taken with a Mitutoyo 10x/.28 M Plan Apo microscope objective, using stacking, etc.


    Here's a cropped image (2400x2400 out of 6000x4000), reduced for uploading:

    1956_US_1cent_mmD_RPM1_2016-07-30-00.33.59 ZS DMap_a_2400.jpg

    Getting a shot like this would be tough in the days of film. Stacking with film was possible, but not easy (I never tried it).
     
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  5. ldhair

    ldhair Clean Supporter

    I did a lot of film macro work back in the 70s. Had my own darkroom with some really nice equipment. Had a lot of fun playing with it.
     
  6. physics-fan3.14

    physics-fan3.14 You got any more of them.... prooflikes?

    I bought it in 2008. Noticed it pretty much as soon as it arrived. I think I sent it to James Wiles for attribution in 2009.
     
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  7. Chiefbullsit

    Chiefbullsit CRAZY HORSE

    Proof Gold Buffalo.....

    DSC_0071.JPG

    frost.jpg
     
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  8. Paddy54

    Paddy54 Well-Known Member

    1938 D/S buffalo nickel mint marks 1938DOMM001cc.jpg 1938DOMM004ce.jpg
     
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  9. Paddy54

    Paddy54 Well-Known Member

  10. Paddy54

    Paddy54 Well-Known Member

    1869 wide over skinny date  2.jpg
     
    Last edited: Dec 10, 2017
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  11. Nathan401

    Nathan401 Quis custodiet ipsos custodes?

    I was wondering how long it would take for you to show up. Amazing work Paddy, and everyone else. I can't even take a decent phone shot. It's really incredible!
     
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  12. physics-fan3.14

    physics-fan3.14 You got any more of them.... prooflikes?

    One of my other loves: flowers. IMG_0109.JPG
     
  13. Paddy54

    Paddy54 Well-Known Member

  14. Paddy54

    Paddy54 Well-Known Member

  15. green18

    green18 Unknown member Sweet on Commemorative Coins

    Lovely, but 5.6 would have been more lovely......

    Can't pull up the exif......
     
  16. Paddy54

    Paddy54 Well-Known Member

  17. Paddy54

    Paddy54 Well-Known Member

  18. Paddy54

    Paddy54 Well-Known Member

  19. Paddy54

    Paddy54 Well-Known Member

  20. jtlee321

    jtlee321 Well-Known Member

    Here is an image of a newer Canadian Silver Maple Leaf 1 oz. coins with the newer anti-counterfeiting radial designs that I shot. I loved the graphic qualities of the radial lines and the highly polished high contrast maple leaf in the center. This looks like a black and white image, but it is actually full color.

    Radial-Maple-2-small.jpg
     
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  21. jtlee321

    jtlee321 Well-Known Member

    Here's another image. This one was taken at an angle of a Morgan Dollar focused on LIBERTY and the cotton leaves and bolls.

    Liberty-and-Cotton-Bolls-2.5-to-1-crop-small.jpg
     
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