Bizarre Lens on Macro shot
It’s the same lens, Pentax AF Zoom 35~70 F2.8 — with that heavy proxer.
So, the magnification ratio was about 0.5 (at 35mm)~1 (at 70mm).
As you may see, I’m not after the scientific details but the optical softness.
Still, when the subject was on the same plain (within the depth of field)
the lens can capture quite a details. (All the photos here = F2.8)
(Note, in this photo, left bottom, an egg of the Green lacewing.)
Macro photography is the constant supply of the visual fantasy for me. 🙂
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Yoshizen's Blog 
So fascinating the effect of the softness. Gorgeous.
Thank you Lemony, though the softness is what the character of the lens was.
I didn’t manipulate it or the image at all.
The way of its modification, the history was bizarre, still
the optics remained as original.