Archived posting to the Leica Users Group, 2000/01/03

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Subject: [Leica] Technical Pan sharpness
From: Ken Iisaka <kiisaka@pacbell.net>
Date: Mon, 03 Jan 2000 20:57:23 -0800

I recall a recent discussion about grains in B/W emulsion, and
characteristics of Technical Pan.

A fellow poster whose name I have forgotten has stated that even though
Technical Pan is practically grainless in enlargements, it does not provide
the sharpness of images.

To this poster, I ask the question, "was your camera mounted on a tripod?"

I ask this because all of my initial handheld shots with Technical Pan
indeed came out somewhat blurry, lacking sharpness.  After a number of
rolls, I came to attribute the lack of sharpness to camera shake, or wider
apertures used with this excruciatingly slow (ISO 12-25 developed in
Technidol)  The microscopic grain also encourages me to scrutinise for any
technical flaws further.

I have a brick of Technical Pan in both 35mm and 120 in my fridge, and I now
only use it with my tripod.  When properly secured on a stable support, the
amount of detail that this film can reveal is nothing short of astonishing.
I have made 8x10 or larger enlargements in which I detect little grain, but
with microscopic details when inspected with a 20x loupe.  I used it with
enthusiasm for landscapes.


Ken Iisaka kiisaka@pacbell.net

Lost in Mill Valley in Marin County, California