Lumo Optics

CALDERA™ 8×32 · FIELD MONOCULAR

The world
has gone gray.Bring color back.

A compact field monocular built around serious glass, one-handed control, and color molded through its protective armor—not painted over it.

Join the first run Explore Caldera
Caldera monocular in Lagoon, three-quarter view on a graphite background
SHOWN INCALDERA / LAGOON
CALDERA · FIVE COLORWAYSCOLOR-MOLDED-THROUGH ARMOR
01STONE GRAY
02RANGER GREEN
03LAGOON
04ULTRA VIOLET
05CORAL
01 THE IDEA

A field instrument
you’ll want to carry.

Caldera™ distills a monocular to what matters: crisp 8×32 optics, one-handed control, weather-ready construction, and an identity that won’t disappear into the gear pile.

Made for trailheads, travel, wildlife, sidelines—and every unplanned reason to look closer.

Caldera monocular in Ultra Violet, three-quarter view
01Index-finger focus
02Topographic grip
03Lanyard point
FIG. 01 / THREE-QUARTER / ULTRA VIOLET
Caldera monocular in Ultra Violet, underside view showing the tripod socket
04Recessed ¼–20 socket
FIG. 02 / UNDERSIDE / TRIPOD UTILITY
02 THE DESIGN

Thoughtful
from every angle.

Every surface has a job. Caldera is compact enough to keep close, precise enough to trust, and protected for the weather that comes with going outside.

01One-hand focusA tactile, diamond-knurled wheel falls naturally under your index finger.
02Secure in handMolded topographic relief stays sure in cold or wet hands.
03Stable by designFlat anti-roll base with a recessed ¼–20 socket.
04Weather sealedSealed for the rain, dust and cold that come with going outside. Ratings published at launch.
03 THE MATERIAL

Color isn’t
the finish.It’s the material.

Scuff it. Drop it. Live with it. The protective elastomer is molded in color all the way through. It isn’t coated or painted, so wear reveals the same material beneath.

Designed to wear honestly.Built for years of use, not one perfect product photo.
Caldera monocular in Coral, close-up of molded-through armor and topographic grip COLOR-THROUGH ELASTOMER / CORAL
04 THE GLASS

Serious optics.
No theater.

Built on an 8×32 roof-prism platform for a bright, honest view—compact enough to live in a jacket pocket, serious enough to trust. The full optical specification will be published with the Kickstarter launch.

Caldera monocular in Lagoon, close-up of the 32 mm objective lens 32 MM OBJECTIVE / LAGOON
8×MAGNIFICATION
32 mmOBJECTIVE LENS

Field of view, eye relief, close focus, sealing and coating details will be published with the full specification at launch.

COLORWAYS

Five colors.
One instrument.

Each palette was developed as part of the object—not decoration added afterward. Choose quiet, loud, or somewhere in between. The optical platform stays the same.

01 / 05
Caldera monocular in Stone Gray, three-quarter view

STONE GRAY

Optic Black grip

02 / 05
Caldera monocular in Ranger Green, three-quarter view

RANGER GREEN

Sand grip

03 / 05
Caldera monocular in Lagoon, three-quarter view

LAGOON

Optic Black grip

04 / 05
Caldera monocular in Ultra Violet, three-quarter view

ULTRA VIOLET

Optic Black grip

05 / 05
Caldera monocular in Coral, three-quarter view

CORAL

Optic Black grip

FIVE CONSIDERED MATERIAL PALETTES

Color runs through the armor, so each identity ages with the instrument.

INDEPENDENT / FOUNDER-RUN

“A tool you carry for years should feel like yours. That’s the whole company.”
LD

Logan DuttonFounder · Grand Rapids, Michigan

05 WHY LUMO

Built without
a boardroom.

No distributor brief. No investor timeline. We’re building the product we wanted to own—thoughtfully, openly, and without sanding off what makes it different.

01Industrial design & CMFCOMPLETE
02Optical platformCOMPLETE
03Engineering & toolingIN PROGRESS
04Kickstarter launchUPCOMING
06 HOW WE WORK
Color is the material.

Molded through the armor, allowed to wear. Never a coating.

No theater.

We publish the specs we can stand behind, and say “at launch” when we can’t yet.

Built by the people who want it.

Independent and founder-run. Kickstarter, not investors.

Made to be kept.

Designed for years of use, not one perfect photo.

No gray noise.

A handful of emails at real milestones. No drip campaigns, no tricks.

You get a say.

Backers vote on the five colorways before we commit production.

THE FIRST RUN

Be first to
bring color back.

Join the list for the launch date, early-bird access, and first choice of all five Caldera colorways.

Product news only. No clutter. No gray noise.