Fred wrote: F> [The SMC K 135/2.5 is on the left, while the Takumar Bayonet F> 135/"2.5" is on the right.]
Fred, Unfortunately I was referring to the SMC K 135/2.5 . :o( The front lens diameter as it appeared to my limited measuring capabilities is around 52mm, that translates to an aperture of 2.6 or so. Worse even - the meter agrees. Servus, Alin
