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I too have the aforementioned X-Pro 1, had it for a few months, and actually enjoyed using it on a quick trip to Melbourne recently. Refreshing to walk about all day with a lightweight camera and two fast primes, the 18/2 got most of the use, with the 35/1.4 less than I would have guessed.
And yes, of course, curiosity got the better of me, and late last week I stuffed it unceremoniously on the rear of the GT-81, for a real quick and dirty.
I used either a focal reducer (for the M8-M20 shot) or a field flattener (for the Omega Cent shot).
With the reducer the focal length becomes about 388mm, and with the flattener it remains about it's native 480mm. Yo will see that the spacing distance with the reducer was not bang on, so we have "warp factor 5" happening in the extreme corners, this is a simple fix, get the spacing correct.
Focus was effected by way of a Bahtinov mask, difficult but not impossible, and the magnified live view really helped.
ISO was a combination of 3200 or 6400 for the M8/M20 shots, and ISO800 for the Omega shots. (the quick looks that I had on the rear LCD seemed awfully "bright" at ISO6400, so I would it back a bit to 3200).
M8/M20 was 6 shots each 45 seconds, I used a cable release and the bulb setting. If I had used my noodle, the "T" setting would have been better, but dark/cold/old age conspired.
The Omega shots were 10 shots at 45 seconds. One really neat idea is the counter timer visible on the rear LCD, makes my astro shots simpler, although an intervalometer would be better, I could then program a series and walk away.
All were shot in the Fuji RAW mode, and converted to TIFF's, then simply aligned/stacked, and DDP'd with AstroArt. No darks, no flats, no bias, to lazy at the time.
Gary
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