Petzval Article re-posted with higher resolution.

[CCHarrison]

My Petzval Article has been reposted on my site with much higher resolution of the author's copy.

There is also a version that has been translated in Chinese. Thank you.

See http://antiquecameras.net/petzvallens.html


Thank you
Dan







http://antiquecameras.net/images/855_PetzvalPortraitLensesandTheirHistory_FINAL_WORD_VERSION-11.jpg