Lens upgrade. Front threaded adapters.

LOMO 35 BAS-2-2 150 mm round front glass Anamorphic prime lens with front threaded adapter M77x 0.75 and M86 x 0.75 for attach diopters and filters.

0.5m and 1.0 m diopters from square front glass LOMO BAS anamorphic prime lenses with M86 threaded adapter ring