Rollei HFT Planar 80mm F/2.8 - stiff aperture control

Joined
Feb 24, 2006
Messages
81
Location
UK, Milton Keynes
Format
35mm
The standard lens on my Rollei 6006 has a very stiff aperture control ring. (i.e. by pressing in the red-button, and turning the serrated ring.)
Is this normal? or does it free up if I could power the lens by mounting it on the 6006 body - with a working power supply.? The focus on the lens works smoothly, and as the lens' coatings are unmarked it would be a pity to junk it. Alternatively, are there any recommended Rollei lens repairers in the UK?

Many thanks
 
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