[Leica] Color Astronomy With Monochrom

[Robert Adler]

Thanks John. I was thinking gelatin perhaps...

On Sun, Feb 28, 2016 at 10:58 AM, John McMaster <john at mcmaster.fr> wrote:

> If you want to cover the 21mm Summilux then I think 4x4 filters are the
> only way, not enough choice in Series VII (I have UV and ND 0.9).....
>
> john
>
> -----Original Message-----
>
> I am hoping to get some guidance from the astronomy experts here. A little
> research shows that by using what are called "LRGB" (Luminance, red, green,
> and blue) filters with monochromatic sensors, one can combine the images
> taken with these filters to come up with astrophotos with very true color.
>
> Does anyone know where to get these special filters (they are not
> associated with visible color, but more wavelength transmission). I would
> either need Series VII (for the 21/1,4) and E46 for the 35/1,4 or 4x4
> filters for a Lee holder (which I would somehow need to fit to my Leica
> (Seven5 filters would be great, but probably impossible to find).
>
> Any leads or experience would be greatly appreciated.
> Thanks,
> Bob
> --
> Bob Adler
> www.robertadlerphotography.com
>
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>



-- 
Bob Adler
www.robertadlerphotography.com