Sigma 100-400mm f5-6.3 DG OS HSM Contemporary for Nikon F m42 versatile flash unit in excellent

versatile flash unit in excellent condition

but still fairly slender

9 3BL 8x is a high quality neutral density filter with 3 stops of neutral density

coverage is at least "full frame"

if that helps place it in time for you

Sigma 100-400mm f5-6.3 DG OS HSM Contemporary for Nikon F m42 versatile flash unit in excellentThe Sigma 100 400mm f5 6. 3 DG OS HSM Contemporary is a reasonably compact full frame telephoto zoom lens with quick focusing, excellent image quality, and an effective image stabilizer. Cosmetic condition is good, with some finish wear; optics show light dust. This lens is designed for Nikon F mount DSLR cameras, but it will also work on most autofocus Nikon F mount film SLRs.