To answer Mike Vande Bunt question regarding pinhole size of my 35mmcamera, my method is not very scientific, the pinhole was made about three years ago and from what I remember it was made with a pin poked partially through a bit of thin aluminium foil, my smallest drill bit is .343 mm and this is too big for the hole so it must be a bit less than that...the foil was then taped onto the inside of the cameras body cap (which of course had a large hole drilled through it...) The focal length is about 40mm...
...I just did a light reading @3200asa and it is 2 sec and with a normal lens @f32 it reads1/15th so I figure, it must be around f180 or between about 0.24mm and 0.26mm, I am no mathematician so this could well be wrong, sorry for lack of sophistication in my measuring methods, but that's pinhole...:=) Cheers Tim
