Zenith S1 mirrorless camera body on a dark workbench, lens detached beside it

Zenith Optics · S1

Every photon, accounted for.

A 61-megapixel full-frame sensor, eight stops of stillness, and autofocus that refuses to blink — machined into 520 grams of titanium.

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From $3,999 · body only · ships March

The sensor

61 megapixels. Zero apologies.

A backside-illuminated full-frame sensor with fifteen stops of dynamic range. Shadows you can lift twice and still print. Files that crop like you brought a second lens.

0 MPfull-frame BSI

0 stopsdynamic range

8K/30internal, no crop

Close view of the Zenith S1 sensor and lens mount

Stabilization

Eight stops of stillness.

The 5-axis gyro samples ten thousand times a second and moves the sensor before you know you did. Handheld seconds, not sixtieths — streetlights become light, not streaks.

0 stopsCIPA-rated IBIS

0/sgyro sampling

0-axissensor shift

Photographer holding the Zenith S1 steady at dusk

Autofocus

Focus that never lets go.

Eye-AF holds a subject through crowds, railings, and rain — 759 phase points re-acquire in under a frame when someone walks through your shot. You compose; the S1 keeps the promise.

0phase-detect points

0 fpsAF calculations

−6 EVfocus in moonlight

Front element of the Zenith 50mm lens, aperture blades visible

Top plate of the Zenith S1 showing machined titanium dials

Detail of the Zenith S1 lens barrel engraving

Built like an instrument

Keep scrolling. It gets closer.

Titanium, not trim.

The full top plate is milled from a single billet — 41% lighter than brass, and it wears in, not out.

A grip decided by 400 hands.

We cast prototypes until the shutter fell exactly where a resting finger lands. Day-long shoots, no white knuckles.

Every dial, machined to click.

Sealed against dust and rain, knurled for gloves, and damped so a nudge is never a stop.

The full sheet

Numbers you can lean on.

0_MP

Full-frame BSI sensor

15 stops DR, dual-gain readout.

0_stops

In-body stabilization

5-axis, CIPA-rated with sync IS.

8K/30

Internal video

10-bit 4:2:2, no recording limit.

0_g

Titanium body

Weather-sealed to IP53. Cold-rated to −25°C — the shutter is, too.

0_M-dot

Electronic viewfinder

120 fps refresh with zero blackout at full burst.

AF points

Eye-AF through occlusion, −6 EV.

2× CFe

Dual CFexpress B

Relay, backup, or RAW/proxy split.

0_shots

Battery, EVF on

USB-C PD charges while shooting.

In the field

Shot on S1. Straight off the card.

Sample photo: camera resting on a map during a road trip — 50mm · f/1.8 · 1/250

Sample photo: photographer framing a shot at golden hour — 35mm · f/2 · 1/1000

Sample photo: machined camera dials in low light — 85mm · f/1.4 · 1/60

Sample photo: hands adjusting a camera lens — 24mm · f/4 · 1/500

Sample photo: lens barrel engraving, macro detail — 90mm macro · f/2.8

Reserve now

The moment won't wait.
Neither should you.

Zenith S1, $3,999 body only. Reservations are fully refundable until your unit ships — first allocation leaves the line in March.

Reserve yours — $3,999

Zenith Optics is a fictional brand. Photography via Unsplash. This page is a configurable template by Kiln Studio.