Panoptic 35mm — image 1
Tele Vue

Panoptic 35mm

The Panoptic 35mm is the classic low-power widefield: the longest true field a 2-inch barrel can deliver, a comfortable 68-degree view and generous eye relief. It is the eyepiece for rich-field sweeping and framing the biggest objects in the sky.

88/ 100
Polaris Score
Optical quality · Immersion · Comfort · Value
See the breakdown ↓
What it's for
Low power · wide fieldHigh power · narrow field

A low-power, wide, comfortable field for rich-field sweeping and framing large objects. It is not a high-power planetary eyepiece, and in fast scopes its long focal length throws a large exit pupil.

Apparent Field
68°
Barrel Size
2"
Eye Relief
24mm
Focal Length
35mm
From$485

Lowest in 90 daysLowest ever tracked

Price tracked by PolarisObserved 92 timesTracking since Jul 2026

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The spacewalk

You don’t look at a field.
You look into the sky.

Every number on the spec sheet matters less than one feeling: how much sky wraps around your eye. Widen the apparent field and watch the black edge of the eyepiece slip away.

68° apparent field

At 68°, the black rim sits out at the corner of your attention rather than in front of you.
Try this eyepiece on your own scope in the Simulator →
01What it's good at

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

It delivers the longest usable true field a 2-inch barrel can provide, ideal for the largest objects and Milky Way sweeping.
Best at
✓It delivers the longest usable true field a 2-inch barrel can provide, ideal for the largest objects and Milky Way sweeping.
✓The 24mm eye relief and large eye lens make it one of the most comfortable low-power eyepieces available, glasses on or off.
✓The 68-degree field is flat and contrasty across nearly its whole width, a hallmark of the Panoptic line.
Trade-offs
!In fast scopes the 35mm focal length throws a 6 to 7mm exit pupil, which can exceed a dark-adapted pupil and dim the background.
!It is a large, heavy 2-inch eyepiece that can unbalance a light Dobsonian.
!68 degrees is generous but not immersive; observers used to 82 or 100 degrees will notice the narrower field.
02In your telescope

One eyepiece. A different job in every scope.

14× in a small refractor, 58× in a long SCT

An eyepiece has no magnification of its own — the telescope decides. The same eyepiece becomes 14× and 4.9° of sky in a little refractor, or 58× and a tight frame in a long SCT. Here’s what it does across common scopes.

Small apo refractor
480 mm · f/5.5
Magnification
14×
True field
4.9°
Exit pupil
6.4 mm
In a short apo it opens a nearly 5-degree window at just 14x, the ultimate Milky Way and large-nebula cruiser, though the 6mm exit pupil wants dark skies.
8-inch Dobsonian
1200 mm · f/6
Magnification
34×
True field
2.0°
Exit pupil
5.8 mm
In an 8-inch f/6 Dob it frames a full 2 degrees at 34x, perfect as the low-power finder eyepiece for star-hopping and big clusters.
12-inch Dobsonian
1500 mm · f/5
Magnification
43×
True field
1.6°
Exit pupil
7.0 mm
In a fast 12-inch it gives a 1.6-degree field but a 7mm exit pupil, which older eyes and light-polluted skies will find too generous.
8-inch SCT
2032 mm · f/10
Magnification
58×
True field
1.2°
Exit pupil
3.5 mm
In an f/10 SCT it is transformed into a well-behaved low-power eyepiece, 58x on a 1.2-degree field with a comfortable 3.5mm exit pupil.
Exit pupil is how wide the beam of light leaving the eyepiece is. Around 5–6 mm is bright and immersive under dark skies; push much past 6 mm and you waste light, and under light pollution a smaller exit pupil shows more contrast.
03In plain English

The numbers, in plain English.

35mm FL · 68° AFOV · 2"
Focal lengthLow power
35 mm
The longest focal length that fits a 2-inch barrel, which is why it gives the widest true field for framing big objects.
Apparent fieldWide
68°
A comfortable, flat, contrasty field, wide without the size and cost of an 82-degree eyepiece.
Eye reliefGenerous
24 mm
Long enough to observe comfortably with eyeglasses on, taking in the full field without pressing your eye to the glass.
Exit pupil (fast scopes)Large
6-7 mm
In f/5 to f/6 scopes the exit pupil can exceed your dark-adapted pupil, wasting light and dimming the sky; it shines in slower scopes.
BarrelTwo-inch
2"
Requires a 2-inch focuser and adds weight; a low-power king, not a travel eyepiece.
04What comes alive

The targets this eyepiece was born for.

Pleiades (M45), Milky Way star fields, Double Cluster, Andromeda Galaxy (M31), North…
Pleiades (M45)Comes alive
Pleiades (M45)
The whole cluster set in a wide, dark field, exactly what low power is for.
Comes alive
Milky Way star fields
Sweeping Sagittarius and Cygnus at low power pours rich star clouds through the field.
Double ClusterExcellent
Double Cluster
Both clusters plus the surrounding field in one comfortable view.
Andromeda Galaxy (M31)Excellent
Andromeda Galaxy (M31)
The full extent of the galaxy with its companions framed together.
North America NebulaExcellent
North America Nebula
Large and faint; with a UHC filter the continent shape emerges across the wide field.
Beehive Cluster (M44)Comes alive
Beehive Cluster (M44)
A big, bright open cluster that needs exactly this much field to frame well.
05Role in a collection

Where it sits in your eyepiece case.

Where it sits across 3 focal lengths

A good eyepiece collection isn’t a pile of glass — it’s two or three focal lengths that hand off from wide to tight. This is the anchor at the bottom of the ladder: the one you find and frame with. You buy it once, and it stays your low-power eyepiece for life.

35 mmThis one
Low power · wide field
Find, frame and sweep. Your widest true field and the lowest useful magnification — the eyepiece you reach for first.
Veil Nebula · Pleiades · Milky Way star clouds
13 mm
Medium power · the workhorse
Where most deep-sky objects look their best — galaxies, globulars and planetary nebulae at a comfortable scale.
M13 · Ring Nebula · most galaxies
7 mm
High power · detail
Planets, the Moon at the terminator, tight double stars and the smallest planetary nebulae. Steady-air nights only.
Jupiter · Saturn · lunar craters
06Build around it

What it pairs with.

The telescope · Pair it · Filter it
The telescope
What it goes into
Dobsonian or slower apo
An f/6 or slower scope keeps the exit pupil in a useful range.
2-inch focuser
Required; the eyepiece is large and needs the bigger barrel.
Pair it
What extends its range
Panoptic 24mm or Delos 17.3mm
Steps up to medium power for smaller clusters and galaxies.
A high-power eyepiece
Round out the kit with a short focal length for the planets.
Filter it
What transforms the view
UHC filter
UHC filter
Reveals large emission nebulae like the North America across the wide field.
Broadband light-pollution filter
Lifts contrast on star fields from the suburbs.
07The Polaris Score

How it scores, and why.

88/100
88/ 100
Panoptic 35mm

As a low-power rich-field eyepiece it is close to ideal: a wide, flat, contrasty 68-degree field with the longest true field you can get in 2 inches, and eye relief comfortable enough for glasses. It loses points only where physics does, throwing a large exit pupil in fast scopes.

Optical quality
90
Immersion
80
Comfort
90
Value
85

Polaris weighs how well the eyepiece does the job it was designed for — optics, immersion, comfort and value — never list price or brand.

08Who it's for

An honest fit check.

Rich-field observers who love sweeping the Milky Way and framing large open clusters in one…
Buy it if you
✓Rich-field observers who love sweeping the Milky Way and framing large open clusters in one comfortable view.
✓Dobsonian owners who want a low-power finder eyepiece that shows the widest true field a 2-inch focuser allows.
✓Eyeglass wearers, who get a genuinely comfortable 24mm of eye relief behind a large eye lens.
✓Observers who want Tele Vue optics and a wide, flat field without the weight and cost of an 82-degree Nagler.
Look elsewhere if you
!Fast-scope owners under light-polluted skies, where the 6 to 7mm exit pupil wastes aperture and washes out contrast.
!Observers chasing maximum immersion, who will prefer an 82-degree Nagler or a 100-degree Ethos.
!Owners of small short-focus refractors, where 35mm yields too little magnification to be useful.
!Budget buyers, for whom a good 2-inch 68-degree eyepiece delivers much of this for less.
09The numbers

Full specifications.

5 measured and stated values
Optical
Focal Length35mm
Apparent Field68°
Comfort & handling
Eye Relief24mm
Fit & build
Barrel Size2"
Editor’s Take

This is the eyepiece you reach for when you want to lean back and cruise: the Milky Way pouring through, whole open clusters set in dark space, that first low-power gasp when a big object finally fits in the field. It gives up ultra-wide immersion for comfort and true field, and for its job that is exactly the right trade.

— The Skynocular verdict
10Alternatives

For a different goal, start here.

3 alternatives, each mapped to the goal it wins at
Maximum true field

Panoptic 41mm

Slightly wider still, but only useful in longer focal length scopes where the exit pupil stays reasonable.

More immersion

Nagler 31mm Type 5

82 degrees and a similar true field for a more enveloping view, heavier and pricier.

→
Higher power, smaller exit pupil

Panoptic 24mm

A better fit for fast scopes where 35mm throws too large an exit pupil.

→
Community

Used in these setups.

Real builds from the community that include this product.

Portable Travel Rig

Featured

Grab-and-go refractor for casual observing and travel. The Evostar 72ED and the Twilight Nano together weigh less than a folding chair, and the mount is a simple alt-azimuth — up and down, left and right, no alignment. Set it on the ground, drop the tube on, and you are looking at something inside a minute. The Panoptic 24mm gives just under 4° of true field; add the 35mm when you want the widest view the little scope can produce.

Star Cluster Sweeper

Featured

Ultra-wide-field setup for large star clusters and sweeping the Milky Way. The 80ED and the Panoptic 35mm give just under 4° of true field — wide enough to hold the Double Cluster, the Pleiades and long stretches of the summer Milky Way whole, at a 4.7mm exit pupil that stays comfortable under a dark sky. The Twilight I is a manual alt-azimuth on a steel tripod, which is exactly what sweeping wants: you push the scope along the star clouds and stop when something catches your eye.