[malenisjaj]

Hi
I already have Samyang 16/2 (FOV about 90°) but, somehow, I like spacious landscape astrophotography. I'm aware that is fisheye, but it's diagonal with good stereographic projection an FOV 180° on APS-C. If anyone use it for astrophotography, can you tell me how does it behave at f5.6? I read that it's soft at f3.5?
Thanks.

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Last edited by malenisjaj; 04-21-2015 at 02:53 AM. Reason: Added FOV 180

[maxxxx]

I have used it for Milky Way shots in Death Valley and it was pretty good. I only used f3.5 though. 5.6 seems too slow from my experience.

[malenisjaj]

Thanks for the answer. I wonder if you can provide some pictures?

EDIT: Since aperture can be controlled via camera, what is the next aperture number after 3.5 for this lens?

[maxxxx]

Thanks for the answer. I wonder if you can provide some pictures?

EDIT: Since aperture can be controlled via camera, what is the next aperture number after 3.5 for this lens?

I don't have the lens anymore but 4 is probably the next stop.

Here are two pictures from Death Valley. They were taken at 30secs/f3.5/ISO 6400. So you really don't want to go higher in aperture or you'll get even more noise. It was New Moon and very dark. Some moonlight probably would have helped with the foreground without overpowering the Milky Way. The last two were taken at Yosemite with moonlight (with a 15 2.8 lens). It helps with the foreground and you still can see the Milky Way.

[malenisjaj]

It really is noisy on the first two images. Did you try to low ISO at 3200 with longer exposure, like 60 sec (rule of 500)?
Last two images are gorgeous. I really need to go somewhere without light pollution to employ my Samyang 16/2.

[maxxxx]

60 seconds may result in star trails but with an 8mm it may just be OK. I am still a beginner so I don't know

If you did some experiments it would be great if you could post the results here.

You definitely have to go to a really dark place like Yosemite or Death Valley. It's so much fun doing night pictures there.

[malenisjaj]

Hi. I just wanted to update this thread because finally I bought Samyang UMC 8mm f3.5 (new model with detachable hood) and I'm thrilled with it. I'm sending you an image of Milky Way which was taken in a little place in Adriatic sea. As you can see, there is some light pollution from street lights and from little town on the coast, but even with them, galaxy is really visible. And, more interesting is that settings were ISO1600, F4 with exposition of 58s.

Edit: sorry, I forgot to mention that I edited (just a little) this image in Photoshop.

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Last edited by malenisjaj; 06-15-2015 at 01:32 AM.