Found an unidentified large lens on eBay for about $9 per pound. The glass appears flawless and it seems to have a focal length of around 12″ and an exit diameter of about 3.5″ making it in the neighborhood of f 3.4 crudely calculated. Might work for 8×10 based its apparent coverage circle (once I make a brawny enough camera to carry it – it weighs 7.5 pounds)). That is a far future project however as I am still refining my ability to do 35mm and sixth plate.
Posts tagged: lens
I had a fair amount of time this weekend to work on things daguerreian and I made small progress on a number of fronts. I finally created a lens board for my camera – amazing how quick something can go when you have the right tools. Version 1 was made using a wonky old backsaw and didn’t fit right. V2 was made with my new Ryobi portable table saw and looks to have 1/32″ tolerances. Read more »