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Dream Lens.....which Is Better?

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Author Previous TopicReplies: 24 / Views: 4,824Next Topic Page 2 of 2
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4038 Posts
 Posted 07/05/2016  1:13 pm  Show Profile   Bookmark this reply Add rmpsrpms to your friends list
I don't have direct experience, but a test sequence I saw on the Tamron indicated it is the very best 1:1 macro lens you can buy in the ~100mm range.
Contact me for photographic equipment or visit my home page at:
http://macrocoins.com
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Greece
45 Posts
 Posted 07/05/2016  3:55 pm  Show Profile   Bookmark this reply Add Nickos to your friends list
@rmpsrpms. It would be interesting to know where it is written that tamron is the best money can buy at 100mm macro.

I was a nikon's user. I changed to canon just because I wanted the best for coin photography. Canon 100mm is the best by far and made me change to canon.

I spent a lot of money experimenting in various lens and finally, canon 100mm gave me the best results. There is one problem though. It is a high price lens. For me, it worth it.
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 Posted 07/05/2016  4:32 pm  Show Profile   Bookmark this reply Add rmpsrpms to your friends list
When the Tamron came out, a magazine did an article testing the various ~100mm macro lenses, and the Tamron's sharpness and resolution came out above the competition. I read about the review over on MF lenses forum, but don't remember which magazine it was. As I remember, the results were quite good, approaching the performance of the PN105 in the center, though of course neither the Tamron nor Canon lenses are apochromatic. I will try to find the thread where this was discussed.
Contact me for photographic equipment or visit my home page at:
http://macrocoins.com
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United States
441 Posts
 Posted 07/05/2016  4:56 pm  Show Profile   Bookmark this reply Add andywoj00 to your friends list
Thanks Ray. As the OP, I appreciate all the input from you and others. It'll be a few months before I take the dive, but I want to be sure.
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Australia
90 Posts
 Posted 07/06/2016  09:44 am  Show Profile   Bookmark this reply Add ford_prefect to your friends list
Canon EOS 40D 100mm Canon Non USM Lens
LED Lighting Cropped from frame no resizing.
Dream-Lens.....which-Is-Better?

Canon EOS 60D 100mm Canon USM Lens Non IS.
Flouro Lighting Cropped from frame no resizing.
Dream-Lens.....which-Is-Better?
Valued Member
United States
441 Posts
 Posted 07/06/2016  11:12 am  Show Profile   Bookmark this reply Add andywoj00 to your friends list
Ford....all I can say is WOW!
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Australia
90 Posts
 Posted 07/06/2016  11:40 am  Show Profile   Bookmark this reply Add ford_prefect to your friends list

Quote:
Comments on this welcome. Is the older non-USM as good optically as the newer USM? How much better is the L version to justify the higher cost?


From my observation for coin imaging there is very little difference between the original non USM and the current USM.

My original Non USM is now suffering from focus slip due to use, it's had over 140k shots on the clock as has the 40D.

The IS equiped lens would be the better option if you were to use it for Macro work in the field, it has no benefit for coin work.

40D 100mm Non USM LRD Lighting plus 100% crop.

Dream-Lens.....which-Is-Better?




Edited by ford_prefect
07/06/2016 11:52 am
Valued Member
United States
441 Posts
 Posted 07/06/2016  6:34 pm  Show Profile   Bookmark this reply Add andywoj00 to your friends list
Ford...would you mind posting some pics of your lighting and camera/stand setup?

Also, please provide the specs on your lights, i.e. brand, flourescent, led, etc with temps. How many? What positions/height relevant to the lens/coin? Diffused or not? Diffusion material?

Your results in the pics you provided thus far are what I'm striving for.

Thanks in advance.
Edited by andywoj00
07/06/2016 6:34 pm
Valued Member
United States
92 Posts
 Posted 07/06/2016  9:08 pm  Show Profile   Bookmark this reply Add SolomonValley to your friends list
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Australia
90 Posts
 Posted 07/07/2016  06:30 am  Show Profile   Bookmark this reply Add ford_prefect to your friends list
Well you will find my setup Basic but functional, some might say cheap, but it works.

The copy stand is a leftover from the 1970's but is built like a tank.

Lighting I use :-

Compact Flouro Placed at 10am and 2pm
2 X Desk Lamps, cheap as I could find, the globes cost more.
2 X Philips 13w "Cool White" 5200k Tube type.
or
2 X Philips 13w "Cool White" 5200k Globe type.

No difusion used on flouro lamps, the Globe Type does have a little more Direct lighting ability and some coin surfaces appear to prefer this light type.(Mint Bloom Copper for one)

LED's Placed at 10am and 2pm, for some coins an additional at 12pm.

3 X Jansjo Desk lamps from IKEA.

Difusion consists of cardboard tube and single layer of tissue which slides straight on LED head. A second set has dual layer tissue fitted if the single layer dosn't provide the "Look" I'm trying to capture.

The Setup Prior to shooting
Dream-Lens.....which-Is-Better?

The Setup while shooting, Lights will be moved closer to lens barrel before image is taken.
Dream-Lens.....which-Is-Better?

What I see in Canon "Live View" before snapping the shot.
3 X LED no difusion
Dream-Lens.....which-Is-Better?

The Shot Cropped and resized.(Minimum is usually 800X800)
Dream-Lens.....which-Is-Better?

What I see in Canon "Live View" before snapping the shot.
2 X Flouro at 10am and 2pm
Dream-Lens.....which-Is-Better?

The Shot Cropped and resized.
Dream-Lens.....which-Is-Better?

This shot is a Deep Cameo Proof Silver.
(They are a pain to image and this one is still in it's capsule)
3 X LED's with Double Difusion.
Dream-Lens.....which-Is-Better?

Happy Days
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United States
441 Posts
 Posted 07/07/2016  11:30 am  Show Profile   Bookmark this reply Add andywoj00 to your friends list
Thanks,Ford. Appreciate seeing your setup.
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Canada
2784 Posts
 Posted 07/07/2016  7:12 pm  Show Profile   Bookmark this reply Add rocky to your friends list
like your setup ford. like the idea about lots of light. mark goodman, say has said lots of light. fast shutter speed very sharp image. you have it all covered. very well done.
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Canada
2784 Posts
 Posted 07/07/2016  7:14 pm  Show Profile   Bookmark this reply Add rocky to your friends list
i really like that half penny coin. that is a keeper
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United States
92 Posts
 Posted 07/09/2016  11:56 am  Show Profile   Bookmark this reply Add SolomonValley to your friends list
Same software I use Ford....I use a 1960's Testrite copy stand that I have modified
to my liking with an up/down left/right slide rail and 5200K lighting as needed. Works great....In my case I shoot on a white background because Amazon requires a pure white background on product images. Like the setup...your getting great pictures...
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 Posted 07/16/2016  9:08 pm  Show Profile   Bookmark this reply Add rmpsrpms to your friends list
Really nice results ford!
Contact me for photographic equipment or visit my home page at:
http://macrocoins.com
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