BUHL f/2.5 229mm/9” Lens, 4x5 Speed Graphic + Graflex SLR Mount, Aero Ektar Alt.

It is bigger than an Aero Ektar (see photo 6) and has a shallower depth of field. Also, it will reach infinity focus on a 4x5 SLR, unlike an Aero Ektar. The lens mounting boards for a 4x5 Pacemaker Speed Graphic and for a 4x5 Series D or Super D SLR are my own design.

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