Zenith mirrors redirect the light path inside a telescope, so that an easier viewing position is possible. Relaxed observing with a lens telescope (refractor), Schmidt-Cassegrain or Maksutov telescope is only possible with a zenith mirror.
Zenith mirrors are simply inserted or screwed into the telescope’s focuser. At the other end, you can attach the socket of an eyepiece. The common plug dimensions of 1.25" and 2" are usually used.
The zenith mirror can be removed in order to connect a camera.

Omegon
Carbonline 2", 90° mirror star diagonal, 99% dielectric
$ 199.00
ready for shipping in 24
h

Omegon
Carbonline 2'', 90° SC mirror star diagonal, 99% dielectric
$ 199.00
ready for shipping in 24
h
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Omegon
Carbonline 1.25'', 90° mirror star diagonal, 99% dielectric
$ 139.00
ready for shipping in 24
h
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Omegon
Mirror star diagonal, 90°, 1.25"
$ 29.90
ready for shipping in 24
h

Omegon
Star diagonal with 99% reflection, 2"
( 5 / 5 )
$ 219.00
ready for shipping in 24
h
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Bresser
Star diagonal 99 Percent Reflectivity 2"
$ 83.00
ready for shipping in 24
h
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William Optics
Diagonal mirror Dura Bright 90° 2"
$ 240.00
ready for shipping in 3-5
weeks

TS Optics
Diagonal mirror 90° 1.25"
$ 121.00
ready for shipping in 3-7
days
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Artesky
Diagonal mirror 90° 1.25"
( 5 / 5 )
$ 79.00
ready for shipping in 24
h
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Baader
2" BBHS®-Click-Lock mirror star diagonal
$ 510.00
ready for shipping in 1-2
weeks
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Celestron
Diagonal mirror Twist-Lock 2"
$ 345.00
ready for shipping in 3-7
days
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APM
Diagonal mirror 90° 99% 2"
$ 131.00
ready for shipping in 1-2
weeks
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TS Optics
Diagonal mirror 90° SC/2"
$ 168.00
ready for shipping in 3-7
days
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TS Optics
Diagonal mirror 90°, dielectric full coating, 2'' Quartzprotection
$ 209.00
ready for shipping in 24
h
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Explore Scientific
3" 90° mirror star diagonal
$ 610.00
ready for shipping in 24
h
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APM
Star diagonal 99 Percent Reflectivity 2"
$ 188.00
ready for shipping in 1-2
weeks
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William Optics
Dura Bright 1.25" 90° mirror star diagonal
$ 188.00
ready for shipping in 24
h
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Skywatcher
Diagonal Mirror Deluxe 90° 1,25"
$ 131.00
ready for shipping in 1-2
weeks
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TS Optics
1.25", mirror star diagonal for Imaging Star apochromats
$ 146.00
ready for shipping in 24
h
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Auriga
Diagonal mirror 90° 2"
$ 208.00
ready for shipping in 24
h
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TeleVue
Everbrite 1.25" 60° star diagonal
RRP:
$ 481.00
Our price:
$ 417.00
ready for shipping in 6-10
weeks
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TeleVue
Star diagonal 99 Percent Reflectivity 2"
RRP:
$ 491.00
Our price:
$ 427.00
ready for shipping in 6-10
weeks
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TeleVue
Everbrite 2" 90° mirror star diagonal
RRP:
$ 620.00
Our price:
$ 536.00
ready for shipping in 6-10
weeks
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Baader
Diagonal mirror Maxbright Universal 90° T2
$ 233.00
Product can be shipped as of 12.03.2025
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Skywatcher
Diagonal mirror 90° 2"
$ 104.00
ready for shipping in 1-2
weeks
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TeleVue
Everbrite 1.25" 90° star diagonal
RRP:
$ 366.00
Our price:
$ 318.00
ready for shipping in 6-10
weeks
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Denkmeier
IVB Power Switch Star Diagonal S2
$ 720.00
ready for shipping in 3-5
weeks

TS Optics
Diagonal mirror 90° SC/2"
$ 204.00
ready for shipping in 3-7
days

Explore Scientific
Star diagonal 99 Percent Reflectivity 2"
$ 194.00
ready for shipping in 1-2
weeks

Levenhuk
Diagonal mirror Ra 90° 2"
$ 136.00
ready for shipping in 24
h

Baader
2" M68 ClickLock star diagonal with M68 thread
$ 324.00
ready for shipping in 1-2
weeks

TeleVue
Diagonal mirror Everbrite SC 90° 2"
RRP:
$ 710.00
Our price:
$ 609.00
ready for shipping in 6-10
weeks

Baader
Diagonal mirror ClickLock 2"
( 5 / 5 )
$ 310.00
Product can be shipped as of 14.06.2025
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Skywatcher
Diagonal mirror 1,25" (90°)
$ 52.00
ready for shipping in 1-2
weeks

Artesky
Diagonal mirror 90° 2"
$ 143.00
ready for shipping in 3-5
weeks
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Baader
BBHS® T2 mirror star diagonal
( 5 / 5 )
$ 288.00
Product can be shipped as of 01.04.2025