Stardiagonal Mirror & Prism

Zenith mirrors and Prisms

This group of products is a must for visual observation. Diagonal mirrors and prisms enable "painless" observation of objects at high altitude.

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Picture of 1.25" Altair Lightwave Premium Dielectric Diagonal RED

1.25" Altair Lightwave Premium Dielectric Diagonal RED

A premium dielectric coated diagonal which is small and compact with very high quality machining and a super-hard black anodised chassis and red anodised sides.
119.00 €
Estimated delivery time : 2-4 weeks
 
 
Picture of 2" Altair Lightwave Premium Dielectric Diagonal RED

2" Altair Lightwave Premium Dielectric Diagonal RED

A premium dielectric coated diagonal which is small and compact with very high quality machining and a super-hard black anodised chassis and red anodised sides.
189.00 €
Estimated delivery time : 2-4 weeks
 
 
Picture of APM 2 inch DiagonalPrism with Fast-Lock and Ultra Broadband Coating

APM 2 inch DiagonalPrism with Fast-Lock and Ultra Broadband Coating

APM 2 inch DiagonalPrism with centering clamping and CNC milled
219.00 € 179.00 €
Estimated delivery time : 1-2 days
 
 
Picture of APM 2 inch star diagonal mirror with 99% di-electric coating with fast-lock

APM 2 inch star diagonal mirror with 99% di-electric coating with fast-lock

This CNC milled 2 inch star diagonal meets the highest quality standards
179.00 € 159.00 €
Estimated delivery time : 1-4 days
 
 
Picture of APM 2 inch Erect-Image-prism with fast-lock and ultra broadband coating

APM 2 inch Erect-Image-prism with fast-lock and ultra broadband coating

APM 2 inch Erect-Image-prism with fast-lock and ultra broadband coating
295.00 € 225.00 €
Estimated delivery time : 1-4 days (as from Availability)
Availability acc. to manufacturer :
Jul 28 2025
Picture of APM - Diagonal Mirror 2'' - 99 Percent Reflection

APM - Diagonal Mirror 2'' - 99 Percent Reflection

APM Deluxe Diagonal Mirror 2"
125.00 € 115.00 €
Estimated delivery time : 3-4 weeks
 
 
Picture of DELUXE 2" Kit - 2" Wide Angle Eyepiece Erfle 38mm with 70° FOV and 2" dielectric star diagonal

DELUXE 2" Kit - 2" Wide Angle Eyepiece Erfle 38mm with 70° FOV and 2" dielectric star diagonal

High quality 2" accessory kit for maximum field of view on refractors, Schmidt Cassegrains, Maksutovs and similar
299.00 €
Estimated delivery time : 1-4 days
 
 
Picture of Explore Scientific Diagonal Mirror 2"

Explore Scientific Diagonal Mirror 2"

2" Diagonal Mirror with 99% Reflection Coating by Explore Scientific.
199.00 €
Estimated delivery time : 1-4 days
 
 
Picture of Explore Scientific Diagonal Mirror 76,2mm/3"

Explore Scientific Diagonal Mirror 76,2mm/3"

Explore Scientific 3" Diagonal mirror Especially recommended for the big 3" eyepiece
575.00 €
Estimated delivery time : 1-4 days
 
 
Picture of Altair Premium Positive-Lock Diagonal - Dielectric 2 inch Pushfit

Altair Premium Positive-Lock Diagonal - Dielectric 2 inch Pushfit

The Altair 2" premium diagonal with positive-lock system grips 2" accessories tightly with a small rotation of the top knurled ring, keeping them precisely centred.
189.00 € 170.00 €
Estimated delivery time : 2-4 weeks
 
 
Picture of Skywatcher - 1,25" Star Diagonal 90º

Skywatcher - 1,25" Star Diagonal 90º

Star diagonal with good imaging properties for
49.00 € 44.10 €
Estimated delivery time : 4 weeks
 
 
Picture of Skywatcher - 90° Star Diagonal (2''/50.8mm) with 1.25'' Adapter

Skywatcher - 90° Star Diagonal (2''/50.8mm) with 1.25'' Adapter

The mirror is suitable for refractors, Schmidt-Cassegrains, Maksutov-Cassegrain telescopes
99.00 € 89.10 €
Estimated delivery time : 4 weeks
 
 
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