Vaonis Vespera III Smart Telescope — image 1
Vaonis

Vaonis Vespera III Smart Telescope

A sleek, fully automated smart telescope that stacks live deep-sky images onto your phone. Vespera III trades the eyepiece for a polished app experience: set it down, pick a target, and watch a nebula build up in color, no setup, no knobs.

79/ 100
Polaris Score
Performance · ease · portability · upgrade path
See the breakdown ↓
Aperture
50mm
Focal Length
245mm
Focal Ratio
f/4.9
Mount Type
Integrated Alt-Az GoTo
Optical Design
Smart Refractor
Pixel Size
2.9µm
From$2,490

Lowest in 90 daysLowest ever tracked

Price tracked by PolarisObserved 68 timesTracking since May 2026

See captured results →
Where to buy

Verified 13h ago · prices tracked daily

What it's built forOpen these in the simulator →

This telescope was built to capture, not to squint.

Point it, tap a target, and it stacks a live image on your phone — color and faint detail no eyepiece will show you. The trade is simple: the experience lives on a screen, not at an eyepiece.

Fully automated captureStacks live in the app
The view people remember

The Dumbbell, an hourglass of gas.

The brightest planetary nebula in the sky — a fat, glowing apple-core shape that takes magnification well and only gets richer with aperture.

See The Dumbbell through this telescope →
01What it's good at

What it's best at — and the trade-offs.

It automates everything: pointing, focusing, tracking and live-stacking, controlled entirely from a phone.
Best at
✓It automates everything: pointing, focusing, tracking and live-stacking, controlled entirely from a phone.
✓A compact, weather-resistant body sets up in under a minute with no alignment.
✓Live stacking reveals color and faint detail that no small eyepiece scope can show.
✓The app framing and mosaic mode make wide targets like large nebulae accessible.
Trade-offs
!The experience lives on a screen, so there is no through-the-eyepiece view.
!Small aperture and short focal length mean planets stay tiny; it is a deep-sky imager.
!You depend on the app and its target catalog and updates.
!Battery life and Wi-Fi range set a limit on unattended sessions.
02In plain English

What These Numbers Mean

50mm · f/4.9 · 245mm FL · Integrated Alt-Az GoTo
Aperture
61 mm
Two and a half inches, roughly 50 percent more light than the Vespera II. That translates into cleaner images in the same session time and a longer list of targets that come out well.
Focal length
340 mm
Slightly longer than the Vespera II, giving more scale on galaxies and compact nebulae while still framing the large showpieces. The mosaic mode extends the field when a target needs more room.
Focal ratio
f/5.6
Fast enough for short stacked frames, which is what keeps the live image building quickly. Speed and stacking together substitute for the aperture a traditional telescope would need.
Optical design
Sealed smart refractor with built-in camera
An apochromatic lens with a fixed sensor and no eyepiece, processed on board. There is nothing to focus and nothing to collimate, and the session happens entirely on a screen.
Weight
~5.2 kg complete
Around 11.5 lb with the integrated mount, packing into a shoulder bag. It is a telescope you can decide to use twenty minutes before dark.
Mount
Integrated alt-azimuth GoTo
Self-levelling, self-aligning and self-tracking, driven entirely from the app. Alt-azimuth tracking means many short exposures rather than long ones, which the onboard processing is built around.
03The Polaris Score

How it scores, and why.

79/100
79/ 100
Vaonis Vespera III Smart Telescope
Performance
78
Ease of use
93
Portability
90
Upgrade potential
38

Polaris weighs optical capability, how easy the scope is to live with, how portable it is, and how far it takes you before you outgrow it — not list price or brand.

04Who it's for

An honest fit check.

People who want images, not eyepiece time
Buy it if you
✓People who want images, not eyepiece time
✓Beginners and families who want zero setup
✓Light-polluted city and suburban imagers
Look elsewhere if you
!Visual observers who want to look through an eyepiece (there isn't one)
!Planetary and lunar detail chasers (the short, small optic favors wide deep sky)
!Tinkerers who want to control every capture parameter
05The numbers

Full specifications.

10 measured and stated values
Optics
Optical DesignSmart Refractor
Aperture50mm
Focal Length245mm
Focal Ratiof/4.9
Mount & drive
Mount TypeIntegrated Alt-Az GoTo
Physical
Weight5 kg
Imaging
Pixel Size2.9µm
Sensor Width11.14mm
Sensor Height6.26mm
More
SensorSony IMX585