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Saul
Joined: 31 Jan 2011
Posts: 1486
Location: Naperville, IL USA
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 Posted: Fri Oct 27, 2017 11:08 am Post subject: Landscapes |
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Carpenter ant, Nikon D7200, Nikon 50x/0.55 with Sigma Life Size attachment as a tube lens, 180 photos, PMax
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Saul
Studio, horizontal and field setups |
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Olympusman
Joined: 15 Jan 2012
Posts: 4313
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| Posted: Sat Oct 28, 2017 9:53 am Post subject: Carpenter Ant |
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Wow!
Mike
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Michael Reese Much FRMS EMS Bethlehem, Pennsylvania, USA |
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lonepal
Joined: 28 Jan 2017
Posts: 285
Location: Turkey
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| Posted: Sat Oct 28, 2017 10:03 am Post subject: |
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This is insane!
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Regards.
Omer |
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mawyatt
Joined: 22 Aug 2013
Posts: 2264
Location: Clearwater
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| Posted: Sat Oct 28, 2017 10:17 am Post subject: |
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Stunning Saul!!!
Best,
Mike |
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Beatsy
Joined: 05 Jul 2013
Posts: 1536
Location: Malvern, UK
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| Posted: Sat Oct 28, 2017 10:33 am Post subject: |
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| Wow - great image. That Sigma thingy performs really well too. |
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Saul
Joined: 31 Jan 2011
Posts: 1486
Location: Naperville, IL USA
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| Posted: Sun Oct 29, 2017 10:14 am Post subject: |
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Thank you all for kind comments !
| Beatsy wrote: | | ...That Sigma thingy performs really well too. |
Yes, it is compact, cheap and performs very well (and better) comparing with other tube lenses
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Saul
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Pau
Site Admin
Joined: 20 Jan 2010
Posts: 4882
Location: Valencia, Spain
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| Posted: Sun Oct 29, 2017 12:45 pm Post subject: |
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Outstanding image!
What's the focal length of the Sigma Life Size attachment?
Is better to use it in normal or reverse orientation?
I have one at a drawer and I plan to get the adapters....
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Pau |
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RobertOToole
Joined: 17 Jan 2013
Posts: 1461
Location: United States
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| Posted: Sun Oct 29, 2017 12:46 pm Post subject: |
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Like the flowing vertical lines and the fine textures.
Excellent job.
Robert |
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RobertOToole
Joined: 17 Jan 2013
Posts: 1461
Location: United States
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| Posted: Sun Oct 29, 2017 1:02 pm Post subject: |
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| Pau wrote: | Outstanding image!
What's the focal length of the Sigma Life Size attachment?
Is better to use it in normal or reverse orientation?
I have one at a drawer and I plan to get the adapters.... |
Hi Pau,
I own a few of the life-size attachment sigma lenses, at least 5, and they measure:
147mm extension + 46.5 register distance or = 193mm FL.
I have used them in both forward and reverse.
Online I read on a astro-photo forum that Sigma uses UD glass in the diopters. That would explain the good CA correction.
The best thing about the Sigmas? I picked up a couple last month for $6 and $10 each.
Sometimes you can find a nice Sigma 90mm macro lens for way less than $100 with the life-size adapter included.
Robert |
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Saul
Joined: 31 Jan 2011
Posts: 1486
Location: Naperville, IL USA
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| Posted: Sun Oct 29, 2017 1:21 pm Post subject: |
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Pau, Robert, thank you for your comments !
| Pau wrote: | ...What's the focal length of the Sigma Life Size attachment?
Is better to use it in normal or reverse orientation? .... |
If I remember correctly - 196mm (cannot check again, my camera is dead, something happened to the aperture control unit, sent to Nikon SC ). I'm using in the normal orientation. Again , if I remember correctly - in reverse I had some softness at the edges.
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Saul
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Pau
Site Admin
Joined: 20 Jan 2010
Posts: 4882
Location: Valencia, Spain
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| Posted: Sun Oct 29, 2017 1:23 pm Post subject: |
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Thank you Robert and Saul!
In normal position it would be easier 
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Pau
Last edited by Pau on Sun Oct 29, 2017 1:46 pm; edited 1 time in total |
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Saul
Joined: 31 Jan 2011
Posts: 1486
Location: Naperville, IL USA
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| Posted: Sun Oct 29, 2017 1:23 pm Post subject: |
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Anybody has an idea what does mean these hair tip "covers" ?
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Saul
Studio, horizontal and field setups |
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