[pure-silver] Re: My first post

dickburk@xxxxxxxxxxxxx wrote:

>  Pablo, good to see a familiar name here, welcome
> aboard:-)
>  The Imagon is a unique lens, the partial stops with the
> holes in them serve a double purpose: they control the
> amount of light coming through the periphery of the lens,
> thus the amount of spherical aberration, and they add some
> diffusion since the holes act something like an array of pin
> hole lenses. There are a couple of catalogues and an
> instruction book for the Imagon at the Camera Eccentric web
> site:
> http://www.cameraeccentric.com  These should give you a good
> idea of how to use the lens.
>  The Compound shutter made its first appearance about 1905
> and was built until at least the mid 1980's. It uses an air
> brake for speed regulation. When clean and properly adjusted
> the shutter is pretty accurate and quite consistent. The
> shutter and diaphragm blades of some Compounds, particularly
> the larger and older ones, are made of fiber or hard rubber
> and are heat sensitive. Be careful of with what you clean
> them.


Hi Richard, 

I knew you'd be at this one !!
And thanks for the welcome, I appreciate.

Unfortunately that site has online just a small catalogue that actually came
with my Imagon too. There's no too much about instructions on it, it looks
more to be sort of blah blah... what the Imagon is intended for, how good
the lens is, its applications for portraiture, fashion and commercial shots
and so on, even a table with different Imagon focal corresponding to
different film formats is there though nothing as a real instruction manual
as I'd like to put my hands on.

I see I'll have to spend some time and film by testing before facing real
jobs, it is not that I don't like that but though a manual would help me
saving some time. 

And thanks for that of the shutter blades, I wouldn't be able to know that
if you hadn't told it. The Compound seems and sounds to be right on spot, a
very healthy one I got.
Iris blades in this one seem not to be one of those coming in older lenses
though I'll keep that in mind.

Again, thanks for your post

regards

Pablo

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