Help! SMC Takumar 35mm f3.5 problem

[Scott Cassel]

Hello all.  I'm just picking up photography as a hobby and am having a 
problem with the above mentioned lens.  When I'm looking through the 
vewfinder, there is a dark grain covering my view.  This is not the case 
with any of my other lenses, which includes a SMC Tak 50mm f1.4 among 
others.  The darkness and, to a lesser degree, the grain are reduced when 
the Auto-Manual switch is over 'Manual.' The view gets dark as night when it 
the switch is over 'auto', but as it is on a K1000, that would be normail, I 
suppose.

The focusing circle in the center of the view is clear though, and seems to 
work fine.

Any ideas what could be wrong?
The lens seems clean...not sure about fungus, as I'm nost sure what the does 
or looks like exactly, but the grain and darkness is uniform throughout the 
view, so I'm doubting that's the problem.

Thanks in advance for your help.  I have taken a few pics with it, but have 
not gotten them back yet, so I'm not sure how this effects pic quality.

Scott
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