The Magnar II is currently out on loan to a friend who owns a technology company.
The Magnar II is a curious optic. It was designed specifically to enlarge 5x5 aero recon film into 10x10 aero recon film with as much resolution as possible. It's best aperture is f8. I used it as a 4x5 enlarging lens on the Durst 138 to make prints... only to discover fiber base or any other print paper cannot resolve any where near what this optic is capable of putting on the paper or make the print any better than the APO NIkkor, EL Nikkor or RDA or Componon S that was used in it's place. The edges of the film grain was extremely well defined with the Magnar II compared to the other optics..
It was parked after this failed experiment and the 180mm APO Nikkor went back on the Durst 138 for making 4x5 prints. I used a 240mm Red Dot Artar to make 5x7 - 13x18cm prints on the Durst back in the day.
Bernice
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