LOT-BURKE & JAMES SOLAR FOCUSING CHART-CANON FILTERS-DUPONT+more

This is a lot of photographic pieces dating to 1950-70's & in very good condition. Included is a Solar Critical Focusing Chart by Burke & James. This is plastic & measures appx. 3.25" x 2.25" & in great shape. Also 2 x 48mm Screw in filters by Canon, & in their original plastic case. Also included 2 Varigam by DuPont, Black #3 & Black #1 with their metal holder. Also a Kodak series V1 Adapter Ring 1 21/32 in. 42mm. A great addition to that special collection!