Re: Looking for partial diopter lenses

[unBob Rosen <afterswift@xxxxxx>]

If you get really desperate you could ask an optician to get some made 
for you and simply replace the glass in some other (cheap) filter.

UnBob

nprichard@xxxxxxx wrote:

> It was one of the first places I checked. Unfortunately they do not 
> seem to have the strengths (focal lengths) I am looking for, which are 
> in the range of 4000mm (+0.25) to 1333mm (+0.75). Admittedly, 
> these are ranges most often associated with eyeglass corrections, but I 
> hope that they are not that hard to come by.
>
> 				Nathan Prichard
>