Linhof 5x7 Technika #1 Lens Board chemistry type_Fixer The Nikon HN-13 is a

The Nikon HN-13 is a round metal hood for the Nikon 72mm polarizer (it won’t fit standard 72mm threading)

It also flips up out of the way for composing- a nice touch

This extension tube provides a slightly inexplicable 200mm extension for LTM/39mm threaded lenses

But you'll have a good time trying

Linhof 5x7 Technika #1 Lens Board chemistry type_Fixer The Nikon HN-13 is aFlat original Linhof lens board for the 5x7 Technika camera, measuring 130x130mm, with a hole for a #1 shutter. Shows wear from previous lens but overall excellent cosmetic condition. Please note: this is a larger lens board than the standard 4x5 board and will not fit 4x5 Technika cameras.