Hi guys,
I'm building up to a project where I plan to use my 8x10" camera with stacked Lee ND filters to make exposures over the course of an entire days worth of light.
Unfortunately I don't have my lenses in front of me to mention specifically their filter thread diameter (I've got a 210mm G-Claron dagor type, and 12" Goerz Dagor AM Opt. Co. non-gold dot/rim), but I'm wondering if people out there could advise on what filter holder systems they use on such lenses or similar? From memory, the filter thread on my G-Claron is quite small and, unless I'm mistaken, Lee don't seem to make an adaptor for diameters smaller than 43mm that is recommended for wide lenses (shorter than 24mm equiv. or lenses with large IC where movements are to be used.) Can't remember if the G-Claron is smaller or than or not... Anyway...
I have the Lee Universal Lens Hood with integrated holder and love it – have used it for years with my Linhof Techno setup – so am hoping to stick with that for use with the 8x10" stuff.
Anyone out there got advise on the above, or the logistics / pitfalls / considerations when making ultra long exposures with LF gear? I'm thinking the two biggest battles with be predicting reciprocity failure / exposure times, and unexpected light leaks.
Thanks in advance,
Tim
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