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Thread started 20 May 2016 (Friday) 08:57
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Tiny Jumpers @ 3.4x Magnification

 
John ­ Koerner
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Post edited over 3 years ago by John Koerner.
     
May 20, 2016 08:57 |  #1
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Found a use for my Nikon 20mm f/2.8, reversed, which achieves 3.4x lifesize magnification, when reversed. It also needs an extra BR-5 adapter ring to be able to be reversed on a typical 52mm mount.

The following images were taken using a tripod, macro rail, and remote switch (at f/11 and about a 1.5-second shutter). As many of you know, it is difficult to get jumpers to hold still ... so I got a lot of blurry photos trying to use a slow shutter, to keep the light natural, lol, but these 4 came out okay. They are single, non-stacked images.

IMAGE: http://www.thenaturephotographer.club/thumbnails/1/1_thumb_0000001373_large.jpg
IMAGE LINK: http://www.thenatureph​otographer.club/JohnKo​erner/654/1373  (external link)

IMAGE: http://www.thenaturephotographer.club/thumbnails/1/1_thumb_0000001374_large.jpg
IMAGE LINK: http://www.thenatureph​otographer.club/JohnKo​erner/654/1374/medium  (external link)
This is a baby Phidippus sp. It is so tiny it could run laps around an adult Phidippus' carapace :D

IMAGE: http://www.thenaturephotographer.club/thumbnails/1/1_thumb_0000001375_large.jpg
IMAGE LINK: http://www.thenatureph​otographer.club/JohnKo​erner/677/1375  (external link)

IMAGE: http://www.thenaturephotographer.club/thumbnails/1/1_thumb_0000001376_large.jpg
IMAGE LINK: http://www.thenatureph​otographer.club/JohnKo​erner/677/1376/medium  (external link)
This is full-grown, male Sassacus papenhoei. It is about 25% the size of an adult Phidippus. The last image is cropped a little bit.

I am liking the color and quality of the photos from a single image, but am wanting more depth-of-field. I also wish I could have bracketed to expose a little better in the Sassicus sp. (which was a *deep* black!) I am hesitant to go beyond f/11 @ 3.4x magnification, because of diffraction, and yet there is no way I can 'stack' tiny jumpers when my shutter time is 1.5 to 3 seconds as it is.

I am going to play with shooting as high as f/22 in a single image to see how much DOF I can get without trashing the image to diffraction.

The idea of a minor, very low use of diffused flash will be experimented with, to bring my shutter-speed up a bit, and if I can do so without getting "that flash look," I will post the results.

Comments?

Jack



  
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ed57gmc
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May 20, 2016 14:24 |  #2

#3 and #4 are nice.


Ed
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LordV
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May 21, 2016 00:37 |  #3

Lovely captures but I can't help thinking it would be a lot easier with little discernable difference with a well diffused flash especially as I assume the focus distance is very short and you are likely shading the bug or are very limited in sun angle positions.
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Dave ­ Webster
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May 21, 2016 07:01 |  #4

Amazing stuff John :-D im impressed you can get anything in focus at all using a reversed lens and natural light and the very nature of jumping spiders :eek:
Hats off to you for getting these shots :-D




  
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John ­ Koerner
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May 21, 2016 15:06 |  #5
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ed57gmc wrote in post #18013365 (external link)
#3 and #4 are nice.

Thank you. Took more photos of them, below.




  
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John ­ Koerner
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May 21, 2016 15:07 |  #6
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LordV wrote in post #18013848 (external link)
Lovely captures but I can't help thinking it would be a lot easier with little discernable difference with a well diffused flash especially as I assume the focus distance is very short and you are likely shading the bug or are very limited in sun angle positions.
Brian v.

Thank you for the feedback. I tried some flash shots, but just didn't like how they came out.

I am stubborn on the quest for natural light :p




  
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John ­ Koerner
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May 21, 2016 15:11 |  #7
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Dave Webster wrote in post #18013983 (external link)
Amazing stuff John :-D im impressed you can get anything in focus at all using a reversed lens and natural light and the very nature of jumping spiders :eek:
Hats off to you for getting these shots :-D


Thank you for the comments ... how do you like me now :lol:


IMAGE: http://www.thenaturephotographer.club/thumbnails/1/1_thumb_0000001384_large.jpg

IMAGE: http://www.thenaturephotographer.club/thumbnails/1/1_thumb_0000001383_large.jpg

IMAGE: http://www.thenaturephotographer.club/thumbnails/1/1_thumb_0000001385_large.jpg


What makes this species especially difficult (aside from trying to get him to hold still for 2 seconds, lol) is the extreme black legs/carapace juxtaposed to a light, iridescent abdomen :cry:



  
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LindaB
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May 21, 2016 16:37 |  #8

These are much nicer/better than the first set :-)

Linda


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John ­ Koerner
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May 21, 2016 16:56 |  #9
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LindaB wrote in post #18014470 (external link)
These are much nicer/better than the first set :-)

Linda

Thank you. I agree.

My mistake last time was exposing for the lighter abdomen; this left the carapace too black.

This time, I exposed for the black carapace, and toned down the highlights of the abdomen.




  
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John ­ Koerner
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May 22, 2016 21:40 |  #10
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Just to give some perspective as to how small this guy is:

IMAGE: http://www.thenaturephotographer.club/thumbnails/1/1_thumb_0000001402_medium.jpg

He is about the size of a bee's head ... :eek:



  
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