Thypoch · Eureka

Eureka 28mm ƒ/2.8 ASPH.

Eureka 28mm f/2.8 ASPH.

Thypoch Eureka 28mm ƒ/2.8 ASPH. is a 28mm prime lens for the Fujifilm X mount, equivalent to 42mm on full frame, with a maximum aperture of ƒ/2.8 and manual focus. It weighs 154 g.

Thypoch Eureka 28mm ƒ/2.8 ASPH.
Black · 2 finishes
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Optics

Type
Prime · Photo
Focal length
28mm (42mm eq.)
Angle of view
≈ 54°
Aperture
ƒ/2.8 – ƒ/16
Blades
8
Aperture ring
Yes
Construction
7 el. / 4 gr.
Special elements
1 aspherical, 3 high-refractive-index elements (X-mount version)
Designations
ASPH.
Designed for
Full frame

Focus

Type
Manual
Minimum distance
0.40 m
Magnification
—

Size and mount

Diameter × length
— × 26.9–29.3 mm
Weight
154 g
Filter
27 mm front
Mount
Native X mount

Features

Yes
Aperture ring, Pancake
No
—

History

Maker
Thypoch · CN
Announced
—
Status
Current
Launch price
$459 · 2026-04-28

Collapsible-style brass pancake lens. X-mount lengths are at infinity and at 0.4 m focus. Pre-orders opened November 2025, shipping announced 2026-04-28. Thypoch calls the finishes Pearl White and Matte Black; the store lists them as Silver and Black. The X version uses three HRI elements instead of two in the M version. Filter thread M27 (E27). Also sold as the M-mount lens plus an M-X adapter, which is not this product.

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