Author Topic: Mt. Auburn Cemetery - RG715 @ .8mm  (Read 1353 times)

bobfriedman

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Mt. Auburn Cemetery - RG715 @ .8mm
« on: August 06, 2017, 12:34:47 »
Nikon D800 RG715 @ .8mm ,Nikkor 8mm f/2.8 Fisheye Ai-S
1/160s f/8.0 at 8.0mm iso200


Nikon D800 RG715 @ .8mm,Nikkor AF-S 14-24mm f/2.8G ED
1/320s f/8.0 at 14.0mm iso200


Nikon D800 RG715 @ .8mm,Nikkor 8mm f/2.8 Fisheye Ai-S
1/160s f/8.0 at 8.0mm iso200



Nikon D800 RG715 @ .8mm,Nikkor AF-S 14-24mm f/2.8G ED
1/320s f/8.0 at 15.0mm iso200


Nikon D800 RG715 @ .8mm,Nikkor 8mm f/2.8 Fisheye Ai-S
1/20s f/22.0 at 8.0mm iso200


Nikon D800 RG715 @ .8mm,Nikkor 8mm f/2.8 Fisheye Ai-S
1/125s f/8.0 at 8.0mm iso200


Nikon D800 RG715 @ .8mm,Nikkor AF-S 14-24mm f/2.8G ED
1/320s f/8.0 at 14.0mm iso200
Robert L Friedman, Massachusetts, USA
www.pbase.com/bobfriedman

Randy Stout

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Re: Mt. Auburn Cemetery - RG715 @ .8mm
« Reply #1 on: August 06, 2017, 14:35:49 »
Bob:
Striking images, all. I generally like the non fish eye look, but the column image lends itself very well to that style.

Well done.

Cheers

Randy

Hugh_3170

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Re: Mt. Auburn Cemetery - RG715 @ .8mm
« Reply #2 on: August 06, 2017, 16:26:07 »
I also like all of these images, but the column image is special.  Very well seen.
Hugh Gunn

chris dees

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Re: Mt. Auburn Cemetery - RG715 @ .8mm
« Reply #3 on: August 06, 2017, 21:36:04 »
Beautiful series Bob!
Nbr. 3 and 6 are my picks.

How do you get the sky that blue? :)
Chris Dees

Akira

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Re: Mt. Auburn Cemetery - RG715 @ .8mm
« Reply #4 on: August 06, 2017, 21:45:45 »
Beautiful, indeed.  I always enjoy the IR shots from this place.  The calmness is well rendered in IR.  Nice sunstar in #5.  :)
"The eye is blind if the mind is absent." - Confucius

"Limitation is inspiration." - Akira

bobfriedman

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Re: Mt. Auburn Cemetery - RG715 @ .8mm
« Reply #5 on: August 06, 2017, 21:47:52 »
How do you get the sky that blue? :)

These are infrared images where the cutoff wavelength bleeds some of the red portion of the visible spectrum.. A simple red/blue swap in photoshop gives the false color appearance of a blue sky.
Robert L Friedman, Massachusetts, USA
www.pbase.com/bobfriedman

chris dees

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Re: Mt. Auburn Cemetery - RG715 @ .8mm
« Reply #6 on: August 06, 2017, 22:38:36 »
Thanks for the explanation.

I have a converted Nikon 1 V1 with a 720nm.
When I swap channels I'm not getting close to your result.
Chris Dees

bobfriedman

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Re: Mt. Auburn Cemetery - RG715 @ .8mm
« Reply #7 on: August 06, 2017, 22:51:19 »
I have a converted Nikon 1 V1 with a 720nm.
When I swap channels I'm not getting close to your result.

well as i indicated this is a RG715 @ 0.8mm thickness directly on the sensor which acts like somewhere between a RG665 and RG695... (the schott excel spreadsheet doesn't work on my mac or i would calculated it exactly).  if the thickness of your RG715 conversion was close to 2mm it would have much less red leakage.
Robert L Friedman, Massachusetts, USA
www.pbase.com/bobfriedman

bobfriedman

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Re: Mt. Auburn Cemetery - RG715 @ .8mm
« Reply #8 on: August 06, 2017, 22:54:21 »
From this morning..


Nikon D800 RG715 @ .8mm,Nikkor 8mm f/2.8 Fisheye Ai-S
1/40s f/22.0 at 8.0mm iso200


Nikon D800 RG715 @ .8mm,Nikkor 8mm f/2.8 Fisheye Ai-S
1/320s f/8.0 at 8.0mm iso200


Nikon D800 RG715 @ .8mm,Nikkor 8mm f/2.8 Fisheye Ai-S
1/250s f/8.0 at 8.0mm iso200


Nikon D800 RG715 @ .8mm,Nikkor 8mm f/2.8 Fisheye Ai-S
1/50s f/22.0 at 8.0mm iso200


Robert L Friedman, Massachusetts, USA
www.pbase.com/bobfriedman