MS Optics Vario Petz 57/2 FMC M Mount

$1,000.00 $850.00

Handmade lens for M mount made in Japan.

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MS Optics Vario Petz 57/2 FMC M mount

This is the Vario version of the Petz 57mm that Miyazaki made as part of his Histrio series. The is a limited edition version of the petz lens, with one addition. It has a variable coma adjustment ring on the rear of the lens, so you can fine tune your lens to your preferred shooting style.

PETZ 2/57 FMC History Series No.3

The Petzval portrait lens was developed in 1840 by Petzval and Voigtländer. With a maximum aperture of f3.6, it was 20 times brighter than Chevalier’s f11 lens of the same period. Both resolution and contrast were excellent from maximum aperture. Its weak points were field curvature and uncorrected astigmatism. The lens corresponded to about a 180mm – 200mm Leica mount telephoto lens. Besides that, it was commonly said that the lens was unusable because of its harsh swirly bokeh.

The concept for my lens is:

  1. High performance in the center while retaining beautiful smooth bokeh at the frame edge
  2. Easy to use standard focal length slightly longer than normal

To achieve this, I reversed the positions of the rear concave/convex elements and spaced these elements further apart. In addition, I used glass with a high refractive index for the two concave elements, and thus succeeded in developing a portrait lens with a maximum aperture of f2.05. My lens also realizes large circular coma flare with minimal harshness around the edge of the image, something that is desirable for a Petzval type lens. As the lens is stopped down, softness is reduced considerably, and by f4 to f5.6 the flare is gone and image quality is very good across the entire frame.

Lens Specifications

Improved type Petzval lens

Four elements in four groups, focal length 57.3 mm, max. aperture f2.05

All eight surfaces multicoated, 97.5% transmission

Filter and hood thread size 40.5 mm

Size: diameter 37 mm, length 37 mm, weight 110 grams

Focus: infinity to 1 meter

Coma adjustment ring

Now available in Silver and 1840’s Brass style coating.

Additional Info

Additional information

Weight 200 g
Lens Colours

Black Chrome, Original Brass, Silver Chrome

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