"Admirable" blur samples

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Archive 2008 · "Admirable" blur samples

Anden
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p.94 #1 · "Admirable" blur samples

cogitech wrote:
efgm wrote:

My next queston is, why would you pay thousands of dollars on a lens for butchered bokeh on DSLR?

Doesn't happen on my 5D. Not with any lens, including multiple f1.2s.

So you never have clipped bokeh? Maybe it is crop body problem? I have to test my fast lenses on the 5DII.

Rokkor 58/1.2 on 40D:

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Nov 20, 2009 at 09:52 AM

Makten
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p.94 #2 · "Admirable" blur samples

It definitely looks like it's because of the mirror box in that shot.

Edit: AND in the 85 L shot. The "cutoff" is parallel with the image frame.

Nov 20, 2009 at 09:58 AM

efgm
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p.94 #3 · "Admirable" blur samples

It happens on crop and full frame bodies nikon and canon take your pick. Anyway we should get back to admiring the blur clipped or otherwise

Nov 20, 2009 at 10:49 AM

CheshireCat
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p.94 #4 · "Admirable" blur samples

Chopped bokeh: it's the mirror box.
It happens on my 5DII with 85L as well. It sucks.
I wonder if 1Ds bodies do that too. Anyone ?

Nov 21, 2009 at 12:38 AM

Sirfishalot
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p.94 #5 · "Admirable" blur samples

Pentax FA*80-200/2.8 adapted to Panasonic GF1 (m4/3)

JayT

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Nov 23, 2009 at 10:39 PM

rtallent
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p.94 #6 · "Admirable" blur samples

5DII with EF 200mm f/2.8 L II with EF 1.4x wide open at f/4

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Nov 24, 2009 at 11:10 PM

thrice
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p.94 #7 · "Admirable" blur samples

90 Elmarit-M wide open, Leica M9

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Rum & Coke

Nov 26, 2009 at 12:28 PM

Anden
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p.94 #8 · "Admirable" blur samples

thrice wrote:
90 Elmarit-M wide open, Leica M9

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Rum & Coke

Don´t drink and drive your precious.

Nov 26, 2009 at 01:22 PM

Steve Spencer
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p.94 #9 · "Admirable" blur samples

Here are a couple with my new Minolta Rokkor 35mm f/1.8 (thanks Patrick, aka weezintrumpet). So far I have been pleasantly surprised by the bokeh of this lens. It reminds me a lot of my Rokkor 58mm f/1.2 at f/2. It does have some ringed highlights, but otherwise very nice. The second shot below is a bit of a torture test.

2012 © Steve Spencer

Nov 26, 2009 at 03:35 PM

cogitech
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p.94 #10 · "Admirable" blur samples

Anden wrote:

So you never have clipped bokeh? Maybe it is crop body problem? I have to test my fast lenses on the 5DII.

This phenomenon is a direct result of the mirror box entry size being smaller than the size of the rear element, so it happens much more on cameras with a smaller mirror box (crop cams).

On my 5D, I have not seen it happen with any of my Rokkor 58/1.2s, my FD 85/1.2 SSC Aspherical or my Rokinon 85/1.4 (or any of my other lenses, for that matter). I suspect it could be a problem with the EF 85L (because it has a larger rear element than any of the lenses mentioned) but I did not use the lens (rented) extensively enough and I wasn't specifically looking for this when I had it.

It is easy enough to visualize, if you simply imagine light emerging from a large circle and entering a rectangle with a height < the diameter of the circle. Large circles (rear elements) and/or small rectangles (mirror boxen) exacerbate the issue.

So, the answer remains; I don't see this on my 5D -- not with any of the lenses I have owned or still own. On crop bodies it is much more common (there are many more lenses with rear element sizes that exceed the size of crop body mirror boxen). It just so happens that none of the lenses I use have a circle that is larger than the height of my camera's rectangle.

EDIT: Come to think of it, I think I might have seen it on my 5D with my EF 85/1.8, which has a rear element that is greater in diameter than the FD 85/1.2 SSC Aspherical, Rokinon 85/1.4, etc. Sorry I forgot about this lens, but I use it so rarely... I'm not sure...

Edited on Nov 26, 2009 at 04:17 PM · View previous versions

Nov 26, 2009 at 03:59 PM

cogitech
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p.94 #11 · "Admirable" blur samples

Leon Noel wrote:

Vincent Laforet had 1 chopped off bokeh shot with EF 200/1.8 as well.

That's not surprising, considering the size of the rear element:

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(Image from mir.com)

When we look at the EF 85/1.2 L, we see something similar:

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(Image from photozone.de)

Nov 26, 2009 at 04:05 PM

cgiff
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p.94 #12 · "Admirable" blur samples

Adapting my Zuiko 100/2 for Nikon. Only works wide open at this point but I'm loving it so far! Grab shot after dinner last night (yeah, I think flower shots are pretty lame too, but I'm excited about this lens);

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Nov 26, 2009 at 05:57 PM

Leon Noel
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p.94 #13 · "Admirable" blur samples

cogitech wrote:
Leon Noel wrote:
Vincent Laforet had 1 chopped off bokeh shot with EF 200/1.8 as well.

That's not surprising, considering the size of the rear element:

I know, I wasn't surprised.

@Cgiff: nice 3d-ness in your 1st flower shot, but there's imperfection spots in circular highlights in both shots, perhaps there's something in the elements themselves (air bubbles, coupling seperation) ?

Nov 26, 2009 at 07:22 PM

Empire
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p.94 #14 · "Admirable" blur samples

cgiff wrote:
Adapting my Zuiko 100/2 for Nikon. Only works wide open at this point but I'm loving it so far! Grab shot after dinner last night (yeah, I think flower shots are pretty lame too, but I'm excited about this lens)

Sweet Jebus the 100/2 has fantastic bokeh and three-dimentionality!!
Very Nice shots which I think have been truly enhanced by the lens used.

Looking forward to seeing more

Nov 27, 2009 at 01:36 AM

Yakim Peled
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p.94 #15 · "Admirable" blur samples

Ellipsoid bokeh? Very unique. If I were in Nikon I'd make you an offer you would not refuse.

Happy shooting,
Yakim.

Nov 28, 2009 at 12:18 AM

sixby6ix
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p.94 #16 · "Admirable" blur samples

D3, 85mm f1.4

500CM, 80mm f2.8

F3T, Tamron 90mm f2.8

Nov 28, 2009 at 12:40 AM

Jonas B
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p.94 #17 · "Admirable" blur samples

Yakim Peled wrote:

Ellipsoid bokeh? Very unique. If I were in Nikon I'd make you an offer you would not refuse.

The Zuiko OM90/2 Macro does the same:

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And the lens is for sale, please feel free to redirect that offfer.

/Jonas

Nov 28, 2009 at 01:00 AM

cogitech
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p.94 #18 · "Admirable" blur samples

Yakim Peled wrote:

Ellipsoid bokeh? Very unique. If I were in Nikon I'd make you an offer you would not refuse.

Happy shooting,
Yakim.

Not unique at all. It is called "the cats eye effect" and it is quite common.

http://toothwalker.org/optics/vignetting.html

Nov 28, 2009 at 01:49 AM

Jonas B
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p.94 #19 · "Admirable" blur samples

cogitech wrote:
Not unique at all. It is called "the cats eye effect" and it is quite common.

Yes it is. But now you are totally ruining my ad above, lol. regards, /Jonas

Nov 28, 2009 at 02:14 AM

Yakim Peled
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p.94 #20 · "Admirable" blur samples

cogitech wrote:
Yakim Peled wrote:

Ellipsoid bokeh? Very unique. If I were in Nikon I'd make you an offer you would not refuse.

Happy shooting,
Yakim.

Not unique at all. It is called "the cats eye effect" and it is quite common.

http://toothwalker.org/optics/vignetting.html

Well, I must admit that I owned and used dozens of lenses and never witnessed it.

Happy shooting,
Yakim.

Nov 29, 2009 at 08:46 AM

Yakim Peled
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p.94 #21 · "Admirable" blur samples

Jonas B wrote:
Yakim Peled wrote:

Ellipsoid bokeh? Very unique. If I were in Nikon I'd make you an offer you would not refuse.

The Zuiko OM90/2 Macro does the same:

This image is copyrighted by the owner

And the lens is for sale, please feel free to redirect that offfer.

/Jonas

I would, if only I had the same financial capabilities of the Godfather.

Happy shooting,
Yakim.

Nov 29, 2009 at 08:50 AM

Jim Schemel
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p.94 #22 · "Admirable" blur samples

50mm f1.4 Rokkor on 5D wide open
-Jim

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Nov 30, 2009 at 12:51 AM

CBokeh
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p.94 #23 · "Admirable" blur samples

Gee Jim, great focusing job considering how fast you downed that beer.

Nov 30, 2009 at 01:12 AM

TWoK
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p.94 #24 · "Admirable" blur samples

I missed the beer in the picture. Where is it?

Nov 30, 2009 at 01:16 AM

cgiff
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p.94 #25 · "Admirable" blur samples

Leon Noel wrote:

@Cgiff: nice 3d-ness in your 1st flower shot, but there's imperfection spots in circular highlights in both shots, perhaps there's something in the elements themselves (air bubbles, coupling seperation) ?
Thanks, yeah I didn't notice that at first but now I'm a bit curious! I'm going to finish the conversion and shoot with it more (as much as I love it wide open, being able to stop down will be nice...). In many shots the circular highlights are completely blown out and those "bubbles" aren't visible, but it is funky.

Yakim Peled wrote:

Ellipsoid bokeh? Very unique. If I were in Nikon I'd make you an offer you would not refuse.

Happy shooting,
Yakim.

hah, thanks, I think I'm really going to like the lens. It's going to be a tough call picking between this and the Samyang 85/1.4 though, which is kind of hilarious considering the difference in price and prestige (Zuiko vs... Samyang??). Might just have to keep both.

Nov 30, 2009 at 03:06 PM


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