Fish-eye lens

[KalibreNOR]

hello there, me and my brother decided to go out at 2 past midnight to test out my new Samyang 3.5/8mm fish-eye lens.
We ended up with a few OK shots, but they ended up being grainy and out of focus. can I please get help on improving shots like these?
general Do's and don'ts are appreciated.

 

[480sparky47 47]

What was the ISO?

Did you have to manually focus the lens? If so, did you use the VF or look at the focus ring on the lens?

 

[KalibreNOR]

ISO was 3200
I used manual focus with infinite focus.
EOS on lens was 3.5

 

[480sparky47 47]

ISO will explain the graininess... which is really digital noise.

Somewhere here on the forum is a tutorial about this, but I can't find it.

 

[KalibreNOR]

oh I see, so it's a good idea to adjust the ISO down to about 800?

 

[tirediron]

Moving to the General Gallery.

 

[480sparky47 47]

Lower it as far as possible. The lower, the better.

Of course, there will be a trade-off.... you may end up with the stars streaking in the image. But with a fish-eye, it will take quite a bit of time.

 

[2fastlx]

Just curious. Did you add any exposure compensation? I usually have to bump mine up 1 to 2 stops. If you had to brighten a dark image in post that can also add unwanted noise.