Archived posting to the Leica Users Group, 2015/01/17
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I couldn't afford the shipping to NZ ;-) Reflection densitometers are still useful, transmission ones slightly less so.... john -----Original Message----- From: Richard Man I keep telling people: don't throw out your film stuff - give it to me!!! and I use them! Film, equipments etc. argghhh p.s. that was John quoting me, not John wanting a densitometer :-) On Sat, Jan 17, 2015 at 5:52 AM, George Lottermoser < george.imagist at icloud.com> wrote: > wish I'd known. > > i left two of them to end up in a land fill or some sort of recycling > center. > > Light meters and densitometers were once indispensable for a complete > understanding of how our light, film and chemistry all played together. > Now they're built into our cameras, computers and software. > > Densitometers were mandatory to running consistent Kodachrome and > Ektachrome lines. > Every day began with running test strips and reading and charting > densities through filters to determine what had occurred with the > chemistry since the last film run; and over night. Chemistry was then > adjusted as needed to provide results consistent with Kodak's > specifications. > > Using a densitometer on black and white negatives, together with the > Zone system at the subject exposure end, provided absolutely > consistent and repeatable results; along with a complete understanding > of the various quantities of light being focused on the various > emulsions; as well as the effects of the various chemicals, and their > times, temperatures and agitations, on each unique emulsion. > > These understandings do in fact translate quite well to using our > digital sensors and understanding both their advantages and limitations. > > a note off the iPad, George > > On Jan 16, 2015, at 10:13 PM, John McMaster <john at mcmaster.co.nz> wrote: > > > Would love to have a densitometer. Ah well. >