I am after the VERY shallow DOF and the bokeh that The Aero Ektar produces wide open. It makes for some very cool exotic car detail images.
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The question always is, how fast, how much money?
I'm out as I am old and slow!
Just use your normal ND filter with the appropriate filter factor? At full sun at f/2.5 with an ND4 filter on 100-speed film you'll be at roughly 1/1000.
You may not even need the ND filter. There's some light loss from the staining that afflicts many/most Aero Ektar lenses. I meter assuming it's about f/4 in actual light transmission and it works out. I have just done 1/1000 in sun and it's fine. You can test for this.
Don't overcomplicate it.
PS: full sun, on Efke 25, my 6" Aero-Ektar on a Speed Graphic, I think the exposure was 1/60 or 1/125 (I overexposed it and used a pyro developer):
https://1.bp.blogspot.com/-tDrFErOMj...s800/aewos.jpg
Great photo! And yes, that is exactly the kind of thing that I am after. Thank you! I have experimented a bit with Rollei RPX 25, as well. It’s such a thin base that it’s on that it’s rather tricky to work with. Here’s the type of thing that I am after:
Attachment 212083
Personally would just compensate for a non variable ND filter by changing the ISO on the meter and leave it at that. If you are shooting black and white film you can probably live with over or underexposing by half a stop or so if you need to. Otherwise just set the lens to f2.8, I doubt you could tell the difference in a blind print viewing.
Lots of great ideas. The members of this board are very helpful. Thanks!