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FORUMS Photo Sharing & Visual Enjoyment Macro 
Thread started 04 Nov 2012 (Sunday) 00:01
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Non insect macros anyone?

 
Archibald
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Post edited 10 months ago by Archibald.
     
Aug 18, 2017 18:17 |  #1531

Temma wrote in post #18431225 (external link)
What's a simple way to calculate magnification?

Take a picture of a ruler.

I would not try to calculate it. In the olden days you could do that, you could estimate it from the extension. But modern lenses are internal-focusing, and that changes the focal length. And we don't usually know what the current focal length is. So calculations are not helpful. Just photograph a ruler so it spans the long part of the frame. Then m = Sensor_Width_mm / Ruler_mm.


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Chris.R
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Post edited 10 months ago by Chris.R. (2 edits in all)
     
Aug 18, 2017 18:53 |  #1532

OldCrow wrote in post #18413935 (external link)
I find dust to be a problem with my macros also. Any suggestions?

Blower brush, damp atmosphere, "Calotherm" anti-static cloth is great, some use a rubbed nylon or acrylic rod which is charged up. Dust sticks to it if you pass it near - sometimes!.

(Sorry that was quite an old post I was answering.)




  
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Temma
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Post edited 10 months ago by Temma.
     
Aug 18, 2017 19:05 |  #1533

I added a reversed 50mm Minolta manual lens to the Tokina 100mm macro, extension tubes and 2x converter. Shot at f/4, 64 images.


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Chris.R
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Aug 18, 2017 19:18 as a reply to  @ Temma's post |  #1534

Try some mega diffusion on that one, I expect it would turn out very different!




  
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Temma
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Aug 19, 2017 06:38 |  #1535

A VERY small motherboard screw.

I reverted back to just the Tokina 100mm macro and the 50mm Minolta reversed onto it. AV, f/3.2, 141 images.

Yesterday while at Lowe's buying another plastic flower pot to use as a reflector for a large CFL, I picked up a 10' roll of solid core wire and some alligator clips so that I could make a holder for small objects, especially pinned insects.



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Temma
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Aug 19, 2017 21:03 |  #1536


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OldCrow
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Aug 20, 2017 06:27 |  #1537

Nice texture Temma. What are we looking at?


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Temma
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Aug 20, 2017 08:07 |  #1538

OldCrow wrote in post #18432281 (external link)
Nice texture Temma. What are we looking at?

The rough side of a small scrap of holster leather.

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Minolta 50mm manual reversed onto a Tokina 100mm macro
AV f2.3
132 images stacked in Zerene




  
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Aug 20, 2017 08:20 |  #1539

Tip of a knife...

IMAGE: https://farm4.staticflickr.com/3508/4034584285_7db6086550_o.jpg
IMAGE LINK: https://flic.kr/p/79wi​m2  (external link) Cold Steel Ti-Lite 6" version (external link) by Edward Durbin (external link), on Flickr


One of my business card holders that I engraved...

IMAGE: https://farm2.staticflickr.com/1461/25978027172_bfbc40e0c8_b.jpg
IMAGE LINK: https://flic.kr/p/FzAb​qd  (external link) March 26 2016 003 (external link) by Edward Durbin (external link), on Flickr


An eye, obviously...

IMAGE: https://farm8.staticflickr.com/7226/6967913546_fb76baa92e_b.jpg
IMAGE LINK: https://flic.kr/p/bBJn​Ws  (external link) Eye 002 (external link) by Edward Durbin (external link), on Flickr


Dandelion fluff...

IMAGE: https://farm9.staticflickr.com/8153/6967913804_9700d5e4c7_b.jpg
IMAGE LINK: https://flic.kr/p/bBJo​1U  (external link) Dandelion 001 (external link) by Edward Durbin (external link), on Flickr

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katodog
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Aug 20, 2017 08:24 |  #1540

The head on a hard drive...

IMAGE: https://farm9.staticflickr.com/8072/8446780428_875da639b8_b.jpg
IMAGE LINK: https://flic.kr/p/dSpX​xj  (external link) HDD 003 (external link) by Edward Durbin (external link), on Flickr


The stem of a raspberry plant...

IMAGE: https://farm2.staticflickr.com/1291/4702081578_3307e1d310_b.jpg
IMAGE LINK: https://flic.kr/p/8avp​33  (external link) Raspberry Plant (external link) by Edward Durbin (external link), on Flickr


Snowflake...

IMAGE: https://farm6.staticflickr.com/5049/5267299759_3567990ef0_b.jpg
IMAGE LINK: https://flic.kr/p/92sh​H6  (external link) Snowflake 018 (external link) by Edward Durbin (external link), on Flickr

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Chris.R
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Aug 20, 2017 08:38 |  #1541

That snowflake is special :)

And the raspberry plant? ? As in edible berries??:eek: Looks like some sort of carnivorous drosera!




  
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katodog
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Aug 20, 2017 08:40 |  #1542

Chris.R wrote in post #18432326 (external link)
That snowflake is special :)

And the raspberry plant? ? As in edible berries??:eek: Looks like some sort of carnivorous drosera!



Thanks. I think the snowflake is a little bright but still looks cool. Yes, the raspberry plant did give edible fruit. Although I'm pretty sure this one didn't last long, it died rather quickly and we didn't get diddly off of it.


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Aug 20, 2017 11:31 |  #1543

Excellent series katodog. Thanks for sharing.


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navydoc
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Aug 22, 2017 11:39 |  #1544

My ballpoint pen's ball point.


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Sibil
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Post edited 10 months ago by Sibil.
     
Aug 22, 2017 13:18 |  #1545

Orchid macro

IMAGE: http://i.imgur.com/rAwjQri.jpg

IMAGE: http://i.imgur.com/i3tUSFr.jpg



  
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Non insect macros anyone?
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