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MS-Optics 40mm f/6.3 H-Dagonar Macro Lens

The MS-Optics 40mm f/6.3 is a 40mm f/6.3 lens designed for Leica M mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

MS-Optics 40mm f/6.3 H-Dagonar Macro Lens

MS-Optics 40mm f/6.3 H-Dagonar Macro Lens

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Lens Overview — MS-Optics 40mm f/6.3

The MS-Optics 40mm f/6.3 H-Dagonar Macro Lens is a manual-focus prime lens designed for the Leica M mount, built to cover a full-frame image circle. Weighing just 120g, it occupies a genuinely compact footprint that suits the rangefinder form factor it is designed around. With a 40mm focal length sitting in the standard range, it offers a perspective that many photographers find natural and versatile for close-up and macro work.

The maximum aperture of f/6.3 reflects the optical priorities of a macro-type lens, where depth of field control and rendering quality at close focusing distances take precedence over outright light-gathering ability. Focus is entirely manual, which aligns well with the deliberate, considered shooting style that macro and rangefinder photography typically demands. MS-Optics is a small Japanese manufacturer known for producing highly specialized, low-production-volume lenses, and the H-Dagonar fits squarely within that tradition.

At 120g, the lens adds virtually no burden to a Leica M body, making it a practical companion for photographers who want macro capability without significantly changing the balance or character of their kit. There is no image stabilization, which is consistent across the specifications.

Key Features — MS-Optics 40mm f/6.3

40mm Full-Frame Prime: Covers a full-frame image circle with a natural 40mm perspective suited to close-up and everyday shooting.

Leica M Mount: Mounts directly to Leica M rangefinder bodies without adapters, integrating seamlessly into the M-system ecosystem.

Macro Optical Design: Optimized for close focusing distances, prioritizing rendering quality and depth-of-field control over maximum light gathering.

f/6.3 Maximum Aperture: Reflects the optical tradeoffs of a macro-configured lens, keeping the design compact and correction strong at near-focus distances.

Manual Focus Only: Fully manual focus operation suits the deliberate, precise shooting style that macro and rangefinder photography demands.

120g Ultralight Build: At just 120g, the lens adds virtually no weight or imbalance to a Leica M body.

Lens Specifications — MS-Optics 40mm f/6.3

MS-Optics 40mm f/6.3 full specifications
SpecDetail
Use CasesMacro, Creative Effects, Product
Lens TypeMacro
FormatFull Frame
Zoom/PrimePrime
Focal Length40mm
Maximum Aperturef/6.3
Camera SystemRangefinder
Lens MountLeica M
AutofocusNo
Focus TypeManual
Image StabilizationNone
Weight120g

Description — MS-Optics 40mm f/6.3

The MS-Optics 40mm f/6.3 H-Dagonar Macro Lens is a prime, manual-focus lens built for the Leica M mount and designed to cover a full-frame image circle. With a focal length of 40mm — firmly in the standard range — and a maximum aperture of f/6.3, it is engineered with macro photography as its primary purpose. At just 120g, the H-Dagonar is exceptionally light for a full-frame capable lens, making it an unobtrusive addition to any Leica M rangefinder kit.

Focus is handled entirely manually, in keeping with both the rangefinder shooting style and the precise control that macro distances demand. There is no image stabilization, and the lens is produced exclusively in the Leica M mount, so it is tailored specifically to that system. MS-Optics is a specialist Japanese manufacturer producing low-volume, highly focused optical designs, and the H-Dagonar reflects that approach — a compact, lightweight, purpose-built lens for photographers who want macro capability in a package that disappears into their existing rangefinder setup.

Pros — MS-Optics 40mm f/6.3

  • ✓Very lightweight at just 120g, keeping the overall kit weight minimal on a Leica M body
  • ✓Full-frame coverage means no cropping or vignetting concerns on full-frame Leica M cameras
  • ✓40mm standard focal length provides a natural, versatile perspective for macro work

Cons — MS-Optics 40mm f/6.3

  • ✗Maximum aperture of f/6.3 is relatively modest, limiting light-gathering capability in low-light macro situations
  • ✗Manual focus only — no autofocus option for photographers who need it
  • ✗No image stabilization, which can be challenging when shooting handheld at macro distances

Resources & Downloads — MS-Optics 40mm f/6.3

Manuals & Guides

Frequently Asked Questions — MS-Optics 40mm f/6.3

What camera mount does the MS-Optics H-Dagonar use?+
The lens is built for the Leica M mount. It is designed around the rangefinder camera system and is not listed as compatible with any other mount in the specifications.
Does the MS-Optics 40mm f/6.3 H-Dagonar cover full-frame sensors?+
Yes, the specifications confirm a full-frame lens format, meaning it is designed to cover a full-frame image circle without vignetting on compatible Leica M cameras.
How heavy is the MS-Optics H-Dagonar?+
The lens weighs 120g according to the specifications. This makes it a very lightweight option that adds minimal mass to a rangefinder body.
Does this lens have autofocus or image stabilization?+
No. The specifications confirm that autofocus is not present and image stabilization is listed as None. Focus must be set manually.
What filter size does the H-Dagonar accept?+
The filter thread size is not specified in the product data, so it is not possible to confirm accessory filter compatibility from the available information.
Is the 40mm focal length suitable for general photography as well as macro?+
The specifications list the focal length range as standard and the focal length as 40mm. The lens type is listed as Macro, so it is designed with macro photography in mind, though the 40mm standard focal length is a common choice for versatile shooting.

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