MS-Optics APORIA 2/24

This is a record of using the APORIA 24mm F2 (MS-Optics / Miyazaki Optics) with a Leica M digital.

Table of contents

Impression
The specifications of this lens are unmatched by other manufacturers such as Leica, Koshina (Fogtrender ), and Zeiss, and the 24mm wide angle and F2 brightness are uniquely valuable.
However, when using a 35mm full-size sensor camera, the center of the image is good when the aperture is wide open, but the periphery may be dimmed, and resolution loss and color cast may be noticeable.

The above shortcomings can be remedied by stopping down the aperture, but with the lens hood attached, the aperture ring on the inside of the hood is difficult to change, which I find problematic. The peripheral vignetting when the aperture is wide open becomes less of an issue if the composition is such that the dark areas are on the periphery so that peripheral light attenuation is not noticeable, as in the case of cherry blossom and cat photos.

Mr. Miyazaki often says that defects should be handled by the photographer with intention. Of course, the lens is constructed without much consideration for digital photography, but I do not think this lens is suitable for photographers who cannot tolerate shortcomings.
The lens is very thin, with a thickness of 5.6 mm, about the thickness of a body cap.
When mounted on an APS-C camera, the lens has a focal length of 36mm, making it suitable for snapshots.

The nameplate is MS-OT APORA (MS-OP APORIA), but this is a complete misprint, and it seems that there was no time to correct it during the manufacturing process.

Lens specification
Wide-angle 24mm lens with F2 brightness from MS-Optics (Miyazaki Kogaku), using a Gaussian lens format.
Like the 28mm, it is available in many color variations, and many types are in circulation: lacquered, with maki-e lacquer, and regular types.

ItemValuenote
focal length(mm)24.5
Maximum aperture2.08
Minimum aperture16
Lens configuration4groups 6elementsDouble Gauss type
Minimum distance(m)0.5Works with the camera’s rangefinder from 0.8m to infinity.
Lens length(mm)5.6
Lens max diameter(mm)50
Filter diameter(mm)Use only the glass of a 34mm filter to replace the filter.
Weight(g)39

Mr. Miyazaki often says that defects should be handled with the photographer’s intention. Of course, the lens is constructed without much consideration for digital photography, but I do not think this lens is suitable for photographers who cannot tolerate the shortcomings of digital photography.
The lens is very thin, with a thickness of 5.6 mm, about the thickness of a body cap.
The nameplate is MS-OT APORA (MS-OP APORIA). This is a complete misprint, but it seems that Mr. Miyazaki did not have the time and effort to correct it.

Reference links

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