<p>This gear fits LOMO lenses OKS1-150-1 in Temp mount.</p> <p>But measure your lenses before purchase to make sure that size is correct (variations are possible).</p> <p>Dimensions:</p> <ul> <li>Inner diameter - three steps of 69/70/80 mm;</li> <li>Outer diameter -90 mm;</li> <li>Thickness - 14 mm.</li> <li>Mod - 0.8 mm (pitch 32).</li> </ul> <p> </p>