SMC Pentax-6x7 55mm f4 brand_Sirui with the same three-piece folding

with the same three-piece folding design but with a slightly different leg profile and that wonderful black crinkle finish that you just don’t see any more

4mm (28-112mm equivalent) lens with a fast f2-2

designed for the Voigtlander Ultra Wide Heliar 15mm lenses but suitable for any 15mm (or equivalent)

but no tears or other major troubles

includes battery

SMC Pentax-6x7 55mm f4 brand_Sirui with the same three-piece foldingThe SMC Pentax 6x7 55mm f4 is a wide angle lens for the Pentax 6x7 medium format SLR camera. Not too big, and surprisingly light, this 55mm makes for a pretty decent "everyday" wide angle. It's in excellent condition, with only minor internal dust.