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[Official] OCN Camera Thread - Page 1607

post #16061 of 29551
Okay, here you go. Judge the lens, not the pictures, lol. I couldn't find my flash diffuser, so that's what's causing all the hexagonal reflections in the bokeh. It won't be nearly that bad with proper lighting. Also, my camera has a 2x crop factor, so your APS-C camera should give higher sharpness due to reduced diffraction.

This one was shot at 800 ISO, the rest are 100 because I could use a flash.



100% crop







100% crop







100% crop







100% crop




So sharpness is quite good, considering how close I was working. Bokeh isn't pretty, but it won't be too bad if you can keep your lighting under control.
 
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post #16062 of 29551
pretty sure it has to do with the lens and how its aperture works.
Im guessing you have a 6 blade aperture.....

Its like the nifty fifty is a 5 blade aperture and you get pentagons.
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post #16063 of 29551
Quote:
Originally Posted by scottath View Post
pretty sure it has to do with the lens and how its aperture works.
Im guessing you have a 6 blade aperture.....

Its like the nifty fifty is a 5 blade aperture and you get pentagons.
Yep. That's why lens makers make a big deal out of having a "circular aperture" on certain lenses.

It only happens like that when light is reflected from a small, out of focus point within the frame. It's perfectly possible to get smooth bokeh with stopped down lenses, it just requires good lighting or a nonreflective background.


By the way, my canon 50/1.8 has six blades. Seems strange that they'd reduce the number on newer versions.
Edited by foothead - 9/27/11 at 6:05am
 
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post #16064 of 29551
According to wikipedia (http://en.wikipedia.org/wiki/Canon_E...EF_50mm_lenses) youd have the macro 50mm to have 6 blades.... ?

Basic reason - less parts / less precisely placed parts = cheaper
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post #16065 of 29551
Quote:
Originally Posted by scottath View Post
According to wikipedia (http://en.wikipedia.org/wiki/Canon_E...EF_50mm_lenses) youd have the macro 50mm to have 6 blades.... ?

Basic reason - less parts / less precisely placed parts = cheaper
Nope. It's a standard non-macro one.





http://en.wikipedia.org/wiki/Flange_focal_distance So I guess canon would be the best choice if I want a film camera that's compatible with as many lens systems as possible. Interesting.
Edited by foothead - 9/27/11 at 1:49am
 
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post #16066 of 29551
Quote:
Originally Posted by foothead View Post
Okay, here you go. Judge the lens, not the pictures, lol. I couldn't find my flash diffuser, so that's what's causing all the hexagonal reflections in the bokeh. It won't be nearly that bad with proper lighting. Also, my camera has a 2x crop factor, so your APS-C camera should give higher sharpness due to reduced diffraction.

This one was shot at 800 ISO, the rest are 100 because I could use a flash.

So sharpness is quite good, considering how close I was working. Bokeh isn't pretty, but it won't be too bad if you can keep your lighting under control.
Thanks a ton for the images. Very helpful! I like the hexagonal reflections.
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post #16067 of 29551
Found it - its an old lens....
Canon FL range:
http://en.wikipedia.org/wiki/Canon_FL

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post #16068 of 29551
Quote:
Originally Posted by scottath View Post
Found it - its an old lens....
Canon FL range:
http://en.wikipedia.org/wiki/Canon_FL
Yep, it's quite old. It's also the best constructed SLR lens I've ever used, by far. It puts the newer canon lenses to shame.
 
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post #16069 of 29551
This one, pure awesome (Y). Love the glow behind the trees.

I might be a bit late for the debate, but anyone planning on the Nikon mirrorless cams?
    
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post #16070 of 29551
Quote:
Originally Posted by Danylu View Post
I might be a bit late for the debate, but anyone planning on the Nikon mirrorless cams?
Haha, no. The sensor in them is just too small. M4/3 or Sony are much better options.

I really don't get why Nikon didn't use an APS-C sensor. Intercompatibility with their SLR lenses would've made it a good system.
 
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