From memory of my father-in-law's 8mm movie camera these sound like 8mm
lenses. I thing his lens was 12mm. Can one readily find longer focal
lengths from 16mm cameras so as not to have such high magnification?
Maybe 16mm lenses run towards the 12-36mm range?
Chuck Norcutt
Jay Drew wrote:
> Wayne raised the question as to what cine lens did I use (reversed) on my
> bellows (and extension tubes).
>
> It was basically choosing a cine lens that would provide an easy mounting
> scheme. What I wanted was a lens that had threaded ring that I would guess
> enabled a drop in filter to be inserted and then the ring screwed back in to
> hold that filter in place.
>
> My method of mounting was to take the female portion of a metal 49mm filter
> stack cap and make hole in the center of it that would accommodate the
> threaded
> male portion of the cine filter capture section. I then was able to screw the
> lens and filter holder together pinching the stack cap between the two pieces.
> I then use a 49mm reverse mount and screw the cine/stack cap onto it, and
> mount
> that onto the bellows/tubes what have you.
>
> I use a Wollensak Raptar 9mm, 6.5mm and a Wittnauer Chronostar at 13mm. The
> Wittnauer was 8 bucks at a surplus store.
>
> The 6.5mm is really difficult to deal with, the depth of field is just about
> nothing. The 13mm on my 65-116 tube was giving me a 9X magnification.
>
> Maybe Dean Hansen will pipe up, we traded notes once and he mentioned using an
> Elgeet 7mm reversed and getting 12x directly on the camera. I've got the
> distinct feeling he's gotten much higher quality shots than I have.
>
> The price is a lot cheaper than a 38mm or a 20mm, but you do lose the auto
> diaphragm and the quality is not superb. Lighting is tough. But it is cheap.
> I got the idea from John Shaw's book Closeups in Nature.
>
> Jay
>
> Hand me my costume
> Please won't you pass me my mask
> I have appointments I must keep with my past.
>
> Bill Nelson - Beauty Secrets
>
>
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