Yes, that is the pre-M "K" model built between 1975-77.

On Wednesday 01 January 2003 07:57 pm, Keith Whaley wrote:
> Just says "SMC PENTAX 1:1.4/50" followed by the ser. no. 1,043,xxx.
> It has the red/orange IR mark outboard of the left hand f/4.0 mark on
> the barrel.
> Sports 8 aperture leaves. F/22.0 - 1.4.
> Would that be a pre-M?

-- 
Ken Archer Canine Photography
San Antonio, Texas
"Business Is Going To The Dogs"

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