The reason I have opened the macro is much dust between front lens and aperture.
It was easy and pretty clear to dismantle the outer parts, but now I see four screws from the backside, but have not any idea to access them. How can I remove the part in front of the front lens?
Thanks for any advice
First photos show the place of the screws.
Both lenses - Elicar and Panagor
e.g.
Panagor 90mm f2.8 Macro PMC Lens Reviews - Miscellaneous Lenses - Pentax Lens Review Database Elicar V-HQ Medical Macro MC 90mm f/2.5 Lens Reviews - Miscellaneous Lenses - Pentax Lens Review Database
The last two photos show the differences of the impact of dust on contrast.
Panagor ISO100 2.8 1/40
Elicar ISO100 2.4 1/50 (A-Position)
I got both lenses in the late 80s but I always use the Elicar as a small everyday tele in my backbag on alpinism and trekking
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