Pentac 8 Inch f2.9 cover and give that lever a

and give that lever a push: boom

and a gold/silver blend- plus a plain white surface

which provides a fair bit of zoom range without adding much weight

Arca-compatible profile for mounting to a compatible tripod head (sold separately)

Pentac 8 Inch f2.9 cover and give that lever aThis Pentac 8 inch (~203mm) f2. 9 lens is a large, unshuttered aerial lens originally designed for the UK's Air Ministry: it's the British* version of the Kodak Aero Ektar, more or less. This one's in good condition overall, with some paint and finish wear, stiff diaphragm, and some light surface etching on the rear element: nothing too dramatic, but you can see where someone has wiped it down with something they probably shouldn't have. Clear