Rokinon 8mm Fisheye lens Wide Open

I shot with this a 3.5. WOW i have to say 3.5 is completely useless with this lens. I could not believe the difference between 3.5 and 5.6

Apparently it doesn't produce an image at all at that aperture, unless I'm missing something

scorpio_e wrote in post #15804970
I shot with this a 3.5. WOW i have to say 3.5 is completely useless with this lens. I could not believe the difference between 3.5 and 5.6

I've never had any problems with mine wide open that were not user error.

scorpio_e wrote in post #15804970
I shot with this a 3.5. WOW i have to say 3.5 is completely useless with this lens. I could not believe the difference between 3.5 and 5.6

wut

People always down this lens when its wide open I actually don't find it bad at all believe it or not I can get sharp eyes at 3.5

No problem with me @3.5, it gets sharper at 5.6 to 8

User error on more than one level.....
Mines good at 3.5, best at 8. if you researched you'd know the same

raptor117 wrote in post #15805475
No problem with me @3.5, it gets sharper at 5.6 to 8

X2. No problem with sharpness wide open.

I'll have to post some images when I get a chance. No way it is user error.

Set the lens at infinity.. Use a high shutter speed. Keep the lens stable. How can you have user error?

Raylon wrote in post #15805243
wut

Yes it is that bad... Samples coming....

scorpio_e wrote in post #15807083
I'll have to post some images when I get a chance. No way it is user error.

Set the lens at infinity.. Use a high shutter speed. Keep the lens stable. How can you have user error?

I'm going tell you right now at 3.5 and set to infinity your not going have everything in focus try f8 or f11 at 3.5 you
You still got to turn the focus ring

I have gotten nice sharp shots wide open with this lens. I do find it's really hard to confirm focus through the viewfinder - the best way to use this lens at larger apertures (in my experience anything from f/3.5 - f/8) is to use the distance scale. Anything smaller than f/11, focus at infinity should be fine.

It is funny to watch someone else who is caught unawares by the peculiarities of this lens; I gave my camera to my dad the other day to take a pic of me with my sister on top of the Sears Tower, and all the pictures had his left hand framing the shots because he was frantically trying to focus it before shooting.

When I had this lens it was OK on 3.5 - but with such a wide angle lens, you really want to have everything in focus, because things that are out of focus just look soft, instead of looking out of focus.

So I used at f8 most of the time.

This lens gets my vote for the best fish eye for a crop. User error, unless you post some pics

Mine isn't bad wide open.

Maybe you got a defective copy?

I find that mine copy of this lens isn't worth shooting at wide open either. The resulting photos are just too dang soft. Because I this I really consider this lens as an f/5.6 lens.