in case your glass viewfinder is broken, try this:
take a thin paper. I use paper found in notepads, with a printed grid of 5 mm ...
a drop of oil. remove excess oil, using cotton. I use olive oil...
Type: Posts; User: sinutay; Keyword(s):
in case your glass viewfinder is broken, try this:
take a thin paper. I use paper found in notepads, with a printed grid of 5 mm ...
a drop of oil. remove excess oil, using cotton. I use olive oil...
thanks .... very instructive ..................
nice work .... could you do the calculation if we consider a SLOT , with variable width, somehow like the focal shutter found in SLR ... ??
Thanks !!!