Baader Morpheus 9mm — image 1
Baader Planetarium

Baader Morpheus 9mm

A 9mm Baader Morpheus: a medium-high-power eyepiece for planets, globular cores and small planetary nebulae, from a 76-degree wide-field that trades blows with eyepieces twice its price.

89/ 100
Polaris Score
Optical quality · Immersion · Comfort · Value
See the breakdown ↓
What it's for
Low power · wide fieldHigh power · narrow field

Medium-high power. At 9mm this is a medium-high-power eyepiece for planets, globular cores and small planetary nebulae; it is not meant for framing large deep-sky objects.

Apparent Field
76°
Barrel Size
1.25"
Eye Relief
17.5mm
Focal Length
9mm
From$383

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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.

76° apparent field

At 76°, 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.

Sharp very nearly to the field stop, even in fast Newtonians where cheaper wide-fields smear.
Best at
✓Sharp very nearly to the field stop, even in fast Newtonians where cheaper wide-fields smear.
✓Sharp very nearly to the field stop, even in fast Newtonians where cheaper wide-fields smear.
✓At 9mm it lands squarely in medium-high power territory, exactly where planetary and lunar detail lives.
Trade-offs
!Heavy enough to shift the balance of a small refractor or a light Dobsonian.
!The rubber eyecup and winged eyeguard are fiddly until you settle on one position.
!Not quite the edge perfection of an Ethos, if you go pixel-peeping the last few degrees.
02In your telescope

One eyepiece. A different job in every scope.

53× in a small refractor, 226× in a long SCT

An eyepiece has no magnification of its own — the telescope decides. The same eyepiece becomes 53× and 1.4° of sky in a little refractor, or 226× 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
53×
True field
1.4°
Exit pupil
1.6 mm
53× across a 1.4° field at a 1.6mm exit pupil, crisp medium power for galaxies, clusters and planetary nebulae.
8-inch Dobsonian
1200 mm · f/6
Magnification
133×
True field
34′
Exit pupil
1.5 mm
133× across a 34′ field at a 1.5mm exit pupil, crisp medium power for galaxies, clusters and planetary nebulae.
12-inch Dobsonian
1500 mm · f/5
Magnification
167×
True field
27′
Exit pupil
1.8 mm
167× across a 27′ field at a 1.8mm exit pupil, crisp medium power for galaxies, clusters and planetary nebulae.
8-inch SCT
2032 mm · f/10
Magnification
226×
True field
20′
Exit pupil
0.9 mm
226× across a 20′ field at a 0.9mm exit pupil, high power for planets, the Moon and tight doubles.
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.

9mm FL · 76° AFOV · 1.25"
Focal lengthHigh power
9mm
About 133x in an 8 inch f/5.9 Dobsonian and 226x in an 8 inch SCT. A dependable high power for planets, globular clusters and small planetary nebulae on ordinary nights.
Apparent fieldVery wide
76°
At this magnification a 76 degree field gives both immersion and a useful true field, so you can study detail without constantly losing the object off the edge in a manual scope.
Eye reliefExcellent
17.5mm
Comfortable with glasses on, and consistent across the whole Morpheus range, so moving between focal lengths never changes how you hold your head.
BarrelStandard
1.25"
Fits any telescope's focuser or diagonal without adapters, which keeps it easy to add to an existing case.
OpticsPremium wide-field
Baader Phantom multi-coatings
A well corrected design with very low scatter coatings, holding stars tight across most of the field even at f/5. This is the range where premium glass visibly separates from budget wide-fields.
04What comes alive

The targets this eyepiece was born for.

Jupiter and its moons, Saturn, The Moon, M13 globular cluster, The Ring and Cat’s Eye…
Jupiter and its moonsComes alive
Jupiter and its moons
Belt detail with room to watch the Galilean moons shift.
SaturnComes alive
Saturn
Rings, the Cassini gap, and Titan in the same field.
The MoonExcellent
The Moon
A high-power tour of rilles, domes and crater chains.
M13 globular clusterExcellent
M13 globular cluster
The core starts to resolve into a spray of suns.
The Ring and Cat’s Eye nebulaeComes alive
The Ring and Cat’s Eye nebulae
Small planetary nebulae take real magnification well.
Excellent
Double stars
Clean, contrasty splits of colorful pairs.
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.

32 mm
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
9 mmThis one
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
Any 1.25-inch focuser
Fits essentially every telescope made.
Longer focal length scopes reward it
The higher the scope’s focal length, the more planetary scale you get from this eyepiece.
Pair it
What extends its range
A low-power finder eyepiece (~14mm)
Use the long eyepiece to locate and frame, then drop in this one for detail.
Filter it
What transforms the view
A neutral-density Moon filter
Tames the glare of a bright gibbous Moon at high power so detail returns.
07The Polaris Score

How it scores, and why.

89/100
89/ 100
Baader Morpheus 9mm

Judged as a medium-high-power eyepiece for planets, globular cores and small planetary nebulae, it earns its score on sharp very nearly to the field stop, even in fast newtonians where cheaper wide-fields smear. The comfortable eye relief lifts it further. It is honest about being a specialist, not an all-rounder.

Optical quality
90
Immersion
87
Comfort
90
Value
86

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.

Observers who want a medium-high-power eyepiece for planets, globular cores and small…
Buy it if you
✓Observers who want a medium-high-power eyepiece for planets, globular cores and small planetary nebulae.
✓Anyone who observes in eyeglasses; the eye relief here is long enough to see the whole field.
✓Observers who want a comfortably wide field without paying ultra-wide prices.
Look elsewhere if you
!Anyone chasing the absolute widest field, who should look at a 100-degree eyepiece.
!Grab-and-go observers watching every gram, since this is not the lightest option.
!Anyone hoping to frame large nebulae; that is a job for a low-power eyepiece.
09The numbers

Full specifications.

4 measured and stated values
Optical
Focal Length9mm
Apparent Field76°
Comfort & handling
Eye Relief17.5mm
Fit & build
Barrel Size1.25"
Editor’s Take

Point it at a planet on a steady night and the case makes itself. This is where the Morpheus earns its keep.

— The Skynocular verdict
10Alternatives

For a different goal, start here.

3 alternatives, each mapped to the goal it wins at
Wider, lower power

Baader Morpheus 14mm

The same optics with more true field, for framing larger objects and finding your way around.

→
More magnification

Baader Morpheus 4.5mm

The same line at higher power, for planets and the smallest deep-sky detail.

→
Cross-shop

Tele Vue Delos

A natural alternative at a similar price point, if you want to compare field and feel before committing.

→