Thypoch Eureka 50mm f/2 – Aluminium Leica M Lens

Thypoch Eureka 50mm f/2 Aluminium is a full-frame manual Leica M lens that pairs a 1950s-inspired collapsible construction with modern optics. Its anodized aluminium-alloy housing keeps the lens itself to approximately 120g; it is only 27mm long when collapsed and 41.2mm in use. The natural 50mm angle of view, f/2 maximum aperture and 12-blade diaphragm make…

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Product description ARTICLES SPECIFICATIONS PACKAGE CONTENT

Product description

Thypoch Eureka 50mm f/2 Aluminium is a full-frame manual Leica M lens that pairs a 1950s-inspired collapsible construction with modern optics. Its anodized aluminium-alloy housing keeps the lens itself to approximately 120g; it is only 27mm long when collapsed and 41.2mm in use. The natural 50mm angle of view, f/2 maximum aperture and 12-blade diaphragm make it an exceptionally compact tool for street, portrait, documentary and travel photography.

Thypoch Eureka 50mm f/2

Eureka 50mm f/2 · Leica M

Lightweight collapsible fifty

The aluminium Eureka combines a compact vintage character with an approximately 120g lens weight. Its barrel retracts to 27mm for storage and extends to 41.2mm for shooting.

50mm / f/2A natural perspective for portrait, street and documentary work.
12 bladesSmooth, rounder bokeh and precise depth-of-field control.
Leica MA manual lens for full-frame M-mount cameras.

Retro character, modern optics

Useful information from the original copy is retained: Eureka 50mm provides a natural, human-eye-like perspective for intimate portraits, documentary work, street scenes and landscapes. The classic six-element, four-group Double Gauss construction is paired with modern coatings; the manufacturer specifies an ED element to reduce chromatic aberration and an HRI element to correct field curvature and spherical aberration.

The f/2 maximum aperture and 12-blade diaphragm help create a soft, circular out-of-focus rendering. This is a manual lens: focusing remains direct and tactile, with no electronic image stabilisation.

Image created with a Thypoch Eureka 50mm f/2 lens
Thypoch Eureka 50mm optical design and MTF

Optical design and contrast transfer

The manufacturer diagram shows a classic 6-element, 4-group Double Gauss design. One ED and one HRI element help correct chromatic aberration, field curvature and spherical aberration, while the MTF chart describes contrast transfer across the image field.

PACKAGE CONTENT

  • Thypoch Eureka 50mm f/2 Aluminium ×1
  • Version-matched lens hood ×1
  • UV filter ×1
  • Front cap ×1
  • Rear cap ×1

SPECIFICATIONS

  • Focal length: 50mm
  • Aperture: f/2–f/16
  • Mount: Leica M
  • Coverage: full-frame
  • Minimum focus distance: 0.9m
  • Optical construction: 6 elements in 4 groups
  • Diaphragm: 12 blades
  • Focus: manual
  • Lens diameter: 35.9mm
  • Filter: Leica A36
  • Length: 27mm collapsed / 41.2mm extended
  • Lens weight: approximately 120g
  • Material: anodised aluminium alloy

ARTICLES

Parameters

Parameters

Manufacturer: Thypoch
Category: Lenses

Main parameters

Minimum Focusing Distance900mm
Number of aperture blades12
Lens diameter35.9mm
Lens Length41.2mm
BayonetLeica M
Tilt ShiftNo
Lens colorSilver
Lens TypeFixed Glass
ExtenderNo
Lens suitable forFull frame
Aperture (f)2
Focal length50mm
Optical stabilisationNo
Auto focusNo
ZoomNo
AnamorphicNo
MacroNo
Weight120g

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