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Apr 17, 2014 17:37:15   #
Nightski
 
I know this is so bad. But I am posting because I am confused about this. I thought that if I shot a spider at 1:1 it would fill my frame. I still had to crop most of the background away. I see the little hairs on his legs, but when I see macro photos I see people that have these big eyes and mine isn't even close.

Sorry, I accidentally killed him. I caught him running up my sleeve and I tried to brush him off gently… well, apparently not gently enough. These little guys are fragile aren't they?
I sure would appreciate it if someone would explain why my spider is so small.
I hope no one is offended that I killed him. :-(

spider
spider...
(Download)

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Apr 17, 2014 17:42:38   #
LoneRangeFinder Loc: Left field
 
Macro doesn't change the size of the image. It actually replicates at 1:1 the size of the spider. In order to fill the frame, your spider (for a cropped DX sensor), would have to be 23.6mm sized spider. Help?

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Apr 17, 2014 17:42:40   #
dljen Loc: Central PA
 
Nightski, I'm sitting here laughing so hard, your last line is a riot, I'd have done the same!!! :) :) :)

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Apr 17, 2014 17:43:40   #
Nightski
 
dljen wrote:
Nightski, I'm sitting here laughing so hard, your last line is a riot, I'd have done the same!!! :) :) :)


Sigh!

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Apr 17, 2014 17:44:38   #
Nightski
 
LoneRangeFinder wrote:
Macro doesn't change the size of the image. It actually replicates at 1:1 the size of the spider. In order to fill the frame, your spider (for a cropped DX sensor), would have to be 23.6mm sized spider. Help?


Oh, so how do you guys get those big bug eyes that are so awesome?

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Apr 17, 2014 18:02:10   #
Nightski
 
Okay, so since the 1:1 revelation I went to read Douglass's FAQ's. I need a 2X teleconverter lens extender? Do you have to spend lots of money to do that or are the $120 ones fine?

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Apr 17, 2014 18:15:13   #
LoneRangeFinder Loc: Left field
 
Nightski wrote:
Okay, so since the 1:1 revelation I went to read Douglass's FAQ's. I need a 2X teleconverter lens extender? Do you have to spend lots of money to do that or are the $120 ones fine?


Actually you want extension tubes, not a teleconverter. A full set will get you to 2x. More magnification of the image can be attained via cropping during PP. Jumpers vary in size. The ones I've seen are roughly 1/4" in size. The other components are diffused flash, an f/stop around f/16, and technique which involves staying as square as possible to the parts of the critter that are critical to focus. DOF is very shallow.

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Apr 17, 2014 18:15:39   #
A-PeeR Loc: Houston, Texas
 
Nightski wrote:
Okay, so since the 1:1 revelation I went to read Douglass's FAQ's. I need a 2X teleconverter lens extender? Do you have to spend lots of money to do that or are the $120 ones fine?
You would be better served with automatic extension tubes. TC adds glass to the optical path and degrades image quality. Tubes separated lens further from the sensor, increasing magnification without impacting image quality. Tubes come with image cost too, illumination. Further you move the lens from the sensor the darker the image gets. This is corrected with speedlight and softbox illumination.

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Apr 17, 2014 18:16:05   #
Nikonian72 Loc: Chico CA
 
BEFORE you invest in a set of auto-extension tubes (NOT a Tele-Converter), get comfortable shooting with your stand-alone lens at Minimum Focusing Distance.

I own a set (12-mm, 20-mm, 36-mm) of auto-tubes, but I rarely use them. When I need more magnification than 1:1 (life-size), I clip-on to my 105-mm macro lens, a Raynox M-160 (+4.8 diopter) lens.



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Apr 17, 2014 18:20:03   #
Nightski
 
Nikonian72 wrote:
BEFORE you invest in a set of auto-extension tubes (NOT a Tele-Converter), get comfortable shooting with your stand-alone lens at Minimum Focusing Distance.
Okay… more practice …soon we will have bugs. I have a Canon…not a Nikon though.

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Apr 17, 2014 18:25:49   #
Nikonian72 Loc: Chico CA
 
Nightski wrote:
I have a Canon…not a Nikon.
Not everyone is perfect, but we will work with you. :wink:

Auto-tubes & Raynox add-on lenses work just as well on Canon, Pentax, Sony, Olympus, Nikon, etc.

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Apr 17, 2014 18:38:53   #
Nightski
 
Nikonian72 wrote:
Not everyone is perfect, but we will work with you. :wink:
Auto-tubes & Raynox add-on lenses work just as well on Canon, Pentax, Sony, Olympus, Nikon, etc.
That's funny…but thanks..I will practice on bigger bugs first. :-D

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Apr 17, 2014 21:29:19   #
Blurryeyed Loc: NC Mountains.
 
Nightski wrote:
Okay… more practice …soon we will have bugs.
I think that it is worth saying that those spiders with the really big eyes are jumping spiders, those eyes are what makes them so special to macro photographers.... so not only is the equipment important but also is finding the right spider.

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Apr 17, 2014 21:33:38   #
Nightski
 
Blurryeyed wrote:
I think that it is worth saying that those spiders with the really big eyes are jumping spiders, those eyes are what makes them so special to macro photographers.... so not only is the equipment important but also is finding the right spider.
Are jumping spiders bigger? I hope you don't mind me saying so, but gee you are cute. :lol:

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Apr 17, 2014 23:14:52   #
Blurryeyed Loc: NC Mountains.
 
Nightski wrote:
Are jumping spiders bigger?
No, they actually are small to tiny. The one in my avatar is the biggest one that I have come across, he was less than 1/2 inch long and a little less than 1/4 inch across his face. of course I am not including his legs in these measurements. The little green spiders that I have been posting for the last couple of days are so small that I can not see their faces with my eyes. I shoot with reversed lenses that give higher magnification than does a macro lens and that is how I get such big pictures of such small things.

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