Voigtländer SEPTON 40mm f/2 Aspherical - Lens specs

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Nikon Z Sony E Fixed Lens Prime full-frame 2026

Aperture Ring

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40mm

Focal length

f/2

Max aperture

205 g

Weight

14mm35mm85mm200mm600mm

▲ 40mm

Max aperture

f/1.4

f/2

f/4

Aperturef/2

f/2f/22

Near focus6' 7"

Far focus7' 8"

Total DOF1' 1"

Hyperfocal91' 2"

Subject distance7' 1"

Focal length40 mm

Aperturef/2

SensorFull Frame

Illustrative scene preview based on this lens's focal length, aperture, and sensor coverage.

This preview uses 40mm, f/2, and Full Frame. Subject distance is estimated to keep lens previews comparable.

Min aperture: f/22
Diaphragm blades: 10

Optics

Optical construction: 7 elements in 6 groups
Special elements: 1 aspherical, anomalous partial dispersion

Focusing

Minimum focus: 30 cm
Max magnification: 0.19×

Physical

Weight: 205 g
Dimensions: ⌀61.7mm × 32mm
Filter thread: 52 mm
Hood included: Yes
Color: Black

Recommended Use

Ideal for: Street, Walkaround / Daily

Release year: 2026
Announced: Feb 13, 2026

The best

Ultra-compact pancake design with the legendary Septon's center sharpness and character.

Also

Optimized for Sony E and Nikon Z mounts, offering a perfect balance of performance and portability.

Summary

A very compact manual focus pancake prime lens for Nikon Z and Sony E mounts. It stands out for its retro design inspired by the classic Septon, metallic helical and electronic contacts for IBIS and Exif support. It is a tribute to the golden era of optics, rescuing the name of the legendary "Septon" but under a modern high-performance construction. This is a manual focus lens with electronic contacts that allow full communication with the Nikon Z body (EXIF data transmission and in-body stabilization). Its 40mm focal length is considered the "sweet spot" between a 35mm and a 50mm, offering a very natural perspective for street or everyday photography. Its design stands out for being extremely compact and for including an aspherical element that guarantees exceptional sharpness even at its maximum aperture of f/2, maintaining that organic character and the characteristic contrast of the lenses manufactured by Cosina.