Thanks Lex. I like the mini-Flat Iron! I'm experimenting with a few
borrowed from a friendly dealer's used oddment box. A Kenlock Ultra Wide
Macro 0.6X looks promising - didn't give me fisheye when mounted on my
21/3.5 - circular image but not enough distortion, too well corrected.
Damn! Seems to give a good 30mm image on a 50/1.8 so it could be handy.
Huge, but. 72mm filter mount to pull in the light. (series 7 back mount)
The sort of thing that impresses the gullible.
Strikes me that a tele of equivalent strength (i.e. 1.6X) could convert a
50mm into a soft portrait lens. Some interesting possibilities in all this!
Andrew
>Hey, Andrew: those front-attaching semi-fisheye converters aren't bad at the
>center, tho' a bit soft at the edges. Here are a couple of recent images
>done with one atop a Zuiko 50/1.8 on Fuji Reala, followed by one using the
>Zuiko 35/2.8 shift.
>
>http://albums.photopoint.com/j/View?u=1005538&a=7400079&p=26270204&Sequence=0&r
>es=high
>
>http://albums.photopoint.com/j/View?u=1005538&a=7400079&p=26332124&Sequence=0&r
>es=high
>
>http://albums.photopoint.com/j/View?u=1005538&a=7400079&p=26270203&Sequence=0&r
>es=high
>
>>From what I can tell most of the semi-fisheye converters are made by the
>same one or two companies and marketed under different labels, so the
>optical quality should be pretty similar from one to the next. Unlike a
>true wide angle lens the converter has no effect on depth of field. So
>while combining one with a 50mm normal lens gives coverage equivalent to a
>21mm lens (with lots of curvature), DOF characteristics remain those of a
>50mm lens.
>
>I like mine for limited purposes. It's fun. The thing is most useful with
>focal lengths in the 35-50mm range. Wider than 35mm, you get more circular
>vignetting with increased distortion but little extra actual coverage.
>
>Flare is surprisingly well controlled, possibly because the front element
>isn't a convex bubble. These converters usually include small hoods that
>can be turned to minimize most flare, and some careful shading with a hand
>or hat can handle the rest. Outdoors mine usually exhibits one or two
>distinctive flare points rather than a veiling sort of flare that reduces
>contrast, so it's not a bad trade-off. The main problem, as with any
>ultrawide lens, is not letting the bright sky fool the meter into
>underexposing the shots.
>
>Lex
>===
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