Filter thread

Use filters for your observing: most astronomical eyepieces offer you the option to use moon filters, polarizing filters, colour or nebula filters. This will improve your observing experience and reveal a number of details that were previously not visible to you. At the lower end of the eyepiece sleeve of your 1.25" and 2" eyepieces you will find a female thread. You can use this to attach any filter from our range.

Omegon
1.25" 90° Amici prism
( 5 / 5 )
$ 29.90
ready for shipping in 24
h

Omegon
1,25'' Amici Prism 90°
( 5 / 5 )
$ 169.00
ready for shipping in 24
h
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Omegon
Amici prism 90° 2"
$ 269.00
ready for shipping in 24
h

William Optics
Diagonal mirror Dura Bright 90° 2"
$ 261.00
ready for shipping in 24
h

Artesky
Diagonal mirror 90° 1.25"
( 5 / 5 )
$ 90.00
ready for shipping in 24
h

APM
Diagonal mirror 90° 99% 2"
$ 143.00
ready for shipping in 1-2
weeks

Omegon
Pro Penta Prisma 90° 1.25''
$ 239.00
ready for shipping in 24
h

Celestron
Diagonal mirror Twist-Lock 2"
$ 386.00
ready for shipping in 1-2
weeks

Omegon
45°, 2'' to 1.25'' Amici prism
$ 219.00
ready for shipping in 24
h

Explore Scientific
3" 90° mirror star diagonal
$ 660.00
ready for shipping in 1-2
weeks

Omegon
Pro 1.25'', 45° penta-prism
$ 189.00
ready for shipping in 24
h

TS Optics
Diagonal prism T2 90°
$ 102.00
ready for shipping in 3-7
days

Baader
Amici prism ClickLock BBHS® 90° 2"
$ 770.00
ready for shipping in 1-2
weeks

Auriga
Diagonal mirror 90° 2"
$ 226.00
ready for shipping in 1-2
weeks

TS Optics
Diagonal mirror 90° SC/2"
$ 182.00
ready for shipping in 3-7
days

Skywatcher
Amici prism 45° 2"
$ 136.00
ready for shipping in 1-2
weeks

William Optics
Dura Bright 1.25" 90° mirror star diagonal
$ 204.00
ready for shipping in 3-5
weeks

APM
Diagonal prism with quick-release fastener 2"
$ 250.00
ready for shipping in 1-2
weeks

Baader
Amici prism 1.25" 45°
$ 96.00
ready for shipping in 1-2
weeks

Levenhuk
Diagonal mirror Ra 90° 2"
$ 148.00
ready for shipping in 1-2
weeks

Skywatcher
Amici prism 45° 2"
$ 211.00
ready for shipping in 1-2
weeks

TeleVue
Everbrite 2" 90° mirror star diagonal
RRP:
$ 720.00
Our price:
$ 536.00
ready for shipping in 6-10
weeks

TeleVue
Star diagonal 99 Percent Reflectivity 2"
RRP:
$ 540.00
Our price:
$ 427.00
ready for shipping in 6-10
weeks

TeleVue
Everbrite 1.25" 90° star diagonal
RRP:
$ 520.00
Our price:
$ 318.00
ready for shipping in 6-10
weeks

Explore Scientific
Star diagonal 99 Percent Reflectivity 2"
$ 211.00
ready for shipping in 1-2
weeks

Baader
2" M68 ClickLock star diagonal with M68 thread
$ 352.00
ready for shipping in 1-2
weeks

TeleVue
Diagonal mirror Everbrite SC 90° 2"
RRP:
$ 750.00
Our price:
$ 609.00
ready for shipping in 6-10
weeks

Baader
Diagonal mirror ClickLock 2"
( 5 / 5 )
$ 337.00
Product can be shipped as of 14.06.2025

Artesky
Diagonal mirror 90° 2"
$ 159.00
ready for shipping in 3-5
weeks

APM
Roof prism with quick-action lock 2"
$ 336.00
ready for shipping in 1-2
weeks

TeleVue
Diagonal mirror 1,25" (90°)
RRP:
$ 345.00
Our price:
$ 227.00
ready for shipping in 6-10
weeks