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Old 14-09-2015, 09:04 AM
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rogerg (Roger)
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Question Fuji X Mount lense for astro

Hi all,

Any recommendations on a wide angle X Mount lens? Any hands on experience? I see there is a 14mm f/2.8 but report says it's got soft corners.

I have the 27mm f/2.8 pancake which is perfect optically but not wide enough for astro wide field.

Regards,
Roger.

Last edited by rogerg; 14-09-2015 at 09:44 AM.
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Old 14-09-2015, 03:04 PM
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Quote:
Originally Posted by rogerg View Post
Hi all,

Any recommendations on a wide angle X Mount lens? Any hands on experience? I see there is a 14mm f/2.8 but report says it's got soft corners.

I have the 27mm f/2.8 pancake which is perfect optically but not wide enough for astro wide field.

Regards,
Roger.
Fuji 14mm F2.8 XF is an awesome lens. A very tiny part of a corner can be a bit off but otherwise perfect wide open. A rarely almost perfect lens.

http://www.pbase.com/gregbradley/image/152153598

http://www.pbase.com/gregbradley/image/150246809

The Fuji 18-55 F2.8 is also a very good lens wide open at 18mm;

http://www.pbase.com/gregbradley/image/148559233

Greg.
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Old 14-09-2015, 08:15 PM
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astroboof (Steve McN)
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I'd like a 12mm rokinon for my fuji x cameras.

What I do have is the fuji 18mm f2 prime I use for MW galaxy.

Not that wide, but does a nice job, a keeper.
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Old 14-09-2015, 09:20 PM
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I have the 12mm Samyang/Rokinon...it's inexpensive and wide, but the corners are filled with shapes. I don't recall if this was at f/2.0 or f/2.8.
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Old 14-09-2015, 10:30 PM
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rogerg (Roger)
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Very valuable responses, thank you everyone!

Quote:
Originally Posted by Camelopardalis View Post
I have the 12mm Samyang/Rokinon...it's inexpensive and wide, but the corners are filled with shapes. I don't recall if this was at f/2.0 or f/2.8.
Ooo... they are pretty crosses aren't they I think I'll give that one a miss.

Quote:
Originally Posted by astroboof View Post
I'd like a 12mm rokinon for my fuji x cameras.

What I do have is the fuji 18mm f2 prime I use for MW galaxy.

Not that wide, but does a nice job, a keeper.
Any chances of a 100% JPG/RAW or corner crop ? Happy to dropbox or PM or whatever.

Quote:
Originally Posted by gregbradley View Post
Fuji 14mm F2.8 XF is an awesome lens. A very tiny part of a corner can be a bit off but otherwise perfect wide open. A rarely almost perfect lens.

http://www.pbase.com/gregbradley/image/152153598

http://www.pbase.com/gregbradley/image/150246809

The Fuji 18-55 F2.8 is also a very good lens wide open at 18mm;

http://www.pbase.com/gregbradley/image/148559233

Greg.
Thanks Greg,

The top left particularly of the 14mm F2.8 XF looks to have some crosses and softness. Any chance of a full size image?

The panorama is a bit hard to tell the quality of the lens, because ... well, you know how panorama's stretch things ... would be great to see an individual frame
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Old 15-09-2015, 08:01 AM
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astroboof (Steve McN)
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No worries Roger, here are a couple, a straight jpeg from a month ago and the second is a RAF I banged out quickly in LR the other night when time was to spare. I'm yet get the time to really process them and establish a preset so please no-one judge them as they are thanks!
It gives an idea of coma, not shocking. .

Both are the 18mm at f2, around iso 1600 or 2000, 30 secs via remote release. Not wide, but a nice scale for detail I think. Then, there is the crop and stitching option anyway. That would be the go.

Send us a PM with email for a RAF if you like.
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Old 15-09-2015, 09:51 AM
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Send us a PM with email for a RAF if you like.
Thanks, PM sent
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Old 15-09-2015, 11:02 AM
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Hi Roger
The Zeiss 12mm is very good at F2.8 and excellent at F3.5 and a much better deal these days than when I bought mine

Z
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