Schneider-Kreuznach Center-Filter for 90mm f8 filter holder 4 AI Nikkor is in

4 AI Nikkor is in excellent condition with only minor cosmetic wear and slight dryness in the focus

in my opinion

A Paterson 2-reel tank

rigid or collapsible

9 Oscillo-Raptar was originally designed for close-up imaging of oscilloscope displays

Schneider-Kreuznach Center-Filter for 90mm f8 filter holder 4 AI Nikkor is inThis Schneider Kreuznach Center Filter is a specialized filter designed for use with large format wide angle lenses. This filter has a 1. 5 stop neutral density effect in the centre, with a radial clearing to the edges: effectively, it darkens the centre of the image to bring its exposure closer to the edge exposure, reducing the effect of vignetting. The Center Filter is designed for use with 90mm lenses (this one is designated for the 90mm f8 in