July 2021 Part 1 — This Month Through Your Adapted Lens

Started 4 months ago | Discussions thread
Dusty-Lens Contributing Member • Posts: 838
Portrait, MC Caleinar-5H 100/2.8

The MC Caleinar-5H (often written incorrectly as Kaleinar) 100/2.8 is a very good lens with a very old Primoplan/Ernostar design type but it actually precedes the first Ernostars and Primoplans. It was made around 1920 by Hugho Hahn for Rüo-Optik. It never came to life in Germany but in 1930 the patent was acquired by Sankt Peterburg's optical institute and many years later in the 60's it was actually produced.

Here's a sample photo of my wife taken wide open at f/2.8 which offers enough resolution even for 42MP images.

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