Prisms & Diagonal mirrors < Telescope accessories < Astronomy

Star diagonals are important devices that divert the path of the beam of light coming from the telescope so that you do not have to strain to see, but can view comfortably and hence enjoy your observing more. The star diagonal’s prism deflects the light by 90°. Refractors, Schmidt-Cassegrain and Maksutov optics often need this device.

Amici prisms divert the light, usually by 45° or even 90°, providing an upright and non-reversed image for terrestrial observing.

Optical design & connection

Top brands

Seben

Prisms & Diagonal mirrors

Optical design & connection

Top brands

Seben

Diagonal mirror Zenitspiegel 90° AP3 1,25''

$ 17.90

Sale price:

Omegon

1.25" 90° Amici prism

$ 24.90

Omegon

Carbonline 2", 90° mirror star diagonal, 99% dielectric

$ 179.00

Omegon

Carbonline 2'', 90° SC mirror star diagonal, 99% dielectric

$ 189.00

Omegon

Carbonline 1.25'', 90° mirror star diagonal, 99% dielectric

$ 129.00

Sale price:

Omegon

1,25'' Amici Prism 90°

$ 149.00

Omegon

1.25" 45° erecting prism

$ 39.90

Omegon

Mirror star diagonal, 90°, 1.25"

$ 19.90

Omegon

45°, 1.25'' to 1.25'' Amici prism

$ 99.00

Omegon

Star diagonal with 99% reflection, 2"

$ 179.00

Omegon

2'', 45° Amici prism

$ 179.00

Sale price:

Baader

Diagonal mirror ClickLock 2"

$ 346.00

Omegon

Amici prism 90° 2"

$ 359.00

Artesky

Diagonal mirror 90° 1.25"

$ 93.00

Omegon

45°, 2'' to 1.25'' Amici prism

$ 199.00

Bresser

Diagonal mirror 90° 2"

$ 93.00

Omegon

Pro 1.25'', 45° penta-prism

$ 169.00

Omegon

Pro Penta Prisma 90° 1.25''

$ 219.00

Baader

Diagonal prism BBHS® ClickLock 2"

$ 620.00

Baader

Diagonal mirror BBHS® ClickLock 2"

$ 580.00

William Optics

Diagonal mirror Dura Bright 90° 2"

$ 303.00

TeleVue

Diagonal mirror Everbrite SC 90° 2"

RRP: $ 680.00

Our price:

Celestron

zenith prism 90°, 1.25"

$ 49.90

Skywatcher

Diagonal mirror 2" 90°

$ 140.00

Askar