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Diagonals, Prisms & Binoviewers

Improve viewing comfort and optimise your telescope’s optical path with diagonals, prisms and binoviewers selected by Dark Clear Skies. Explore mirror and prism star diagonals, erecting prisms and binocular viewers in popular 1.25-inch and 2-inch formats. Compare connection type, optical design, clear aperture and telescope compatibility to find the right solution for comfortable visual observing, with knowledgeable UK support.

31 products

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Svbony sv188p Dielectric Diagonal for Refractor side view
Svbony sv188p Dielectric Diagonal for Refractor
From £32.99
SV222 Erect Prism Diagonal 90 Degree 1.25-inch accessory on a white background
Preorder
SVBONY SV222 1.25″ 90° Erect Prism Diagonal (Correct Image)
£52.99
SV221 Mirror Diagonal 1.25inch 90 Degree
More stock coming
SVBONY SV221 1.25″ 90° Mirror Diagonal with Brass Compression Ring
£18.99
SV188 Zenith Mirror Diagonal 1.25inch 90 Degree on a white background
More stock coming
SVBONY SV188 1.25″ 90° Zenith Mirror Diagonal for Refractors
£24.99
SV223 90-degree Clicklock Diagonal 99% Reflective Dielectric
More stock coming
SVBONY SV223 2″ Clicklock Dielectric Diagonal (99% Reflective)
£92.99
Baader T-2/90° Zenith Prism Diagonal with 32mm Prism (T-2 part #14) – Dark Clear Skies UK
Baader T-2/90° Zenith Prism Diagonal with 32mm Prism (T-2 part #14)
£117.00
SV138 1.25" Metal 45 Degree Prism Diagonal
SV138 1.25" Metal 45 Degree Prism Diagonal
£44.99
SV222 1.25-inch 45 Degree Correct Image Diagonal Mirror
SVBONY SV222 1.25″ 45° Correct-Image Prism Diagonal
£34.99
SV223 1.25 Inch 90 Degree Clicklock Dielectric Mirror
SVBONY SV223 1.25″ Clicklock Dielectric Diagonal (99% Reflective)
£78.99
2 inch 99 percent dielectric mirror diagonal for telescopes
2" 99% Dielectric Mirror Diagonal | Dark Clear Skies
£99.99
Baader Zeiss T-2 Star Diagonal Prism with BBHS® coating (T-2 part #01B) – Dark Clear Skies UK
Baader Zeiss T-2 Star Diagonal Prism with BBHS® coating (T-2 part #01B)
£209.00
Baader T-2 Maxbright Mirror Diagonal (T-2 part #01A) – Dark Clear Skies UK
Baader T-2 Maxbright Mirror Diagonal (T-2 part #01A)
£191.00
Baader T-2 BBHS® Mirror Diagonal with Male / Female T-2 Threads – Dark Clear Skies UK
Baader T-2 BBHS® Mirror Diagonal with Male / Female T-2 Threads
£237.00
Baader T-2 / 90° Baader Roof-Prism with BBHS® Coating (T-2 part #02) – Dark Clear Skies UK
Baader T-2 / 90° Baader Roof-Prism with BBHS® Coating (T-2 part #02)
£254.00
Baader MaxBright II Binoviewer with Case and Baader Classic Ortho Eyepieces – Dark Clear Skies UK
Baader MaxBright II Binoviewer with Case and Baader Classic Ortho Eyepieces
£472.00
Baader 90° 32mm T-2 Prism Diagonal – Dark Clear Skies UK
Baader 90° 32mm T-2 Prism Diagonal
£95.00
Baader 2″/90° Astro Amici-Prism with BBHS® Coating and ClickLock Eyepiece Clamp – Dark Clear Skies UK
Baader 2″/90° Astro Amici-Prism with BBHS® Coating and ClickLock Eyepiece Clamp
£576.00
Baader 2″ ClickLock Diagonal Mirror M68 Zeiss Thread – Dark Clear Skies UK
Baader 2″ ClickLock Diagonal Mirror M68 Zeiss Thread
£266.00
Baader 2″ ClickLock Diagonal Mirror – Dark Clear Skies UK
Baader 2″ ClickLock Diagonal Mirror
£255.00
Baader 2″ BBHS® Prism Star Diagonal Prism with 2″ ClickLock Clamp – Dark Clear Skies UK
Baader 2″ BBHS® Prism Star Diagonal Prism with 2″ ClickLock Clamp
£434.00
Baader 2″ BBHS® Mirror Diagonal with 2″ ClickLock Clamp – Dark Clear Skies UK
Baader 2″ BBHS® Mirror Diagonal with 2″ ClickLock Clamp
£412.00
Baader 2″ Amici 90° Erecting Prism with 2″ Holder and 2″ Sleeve – Dark Clear Skies UK
Baader 2″ Amici 90° Erecting Prism with 2″ Holder and 2″ Sleeve
£251.00
Baader 2″ Amici 45° Erecting Prism with 2″ SC-Thread and 2″/1¼” Reducer – Dark Clear Skies UK
Baader 2″ Amici 45° Erecting Prism with 2″ SC-Thread and 2″/1¼” Reducer
£206.00
Baader 1¼”Amici 45° Erecting Prism with 24mm Aperture – Dark Clear Skies UK
Baader 1¼”Amici 45° Erecting Prism with 24mm Aperture
£72.00
Baader 1¼ ” 45° Maxbright Amici Prism with Built-in 2x Glass Path Corrector – Dark Clear Skies UK
Baader 1¼ ” 45° Maxbright Amici Prism with Built-in 2x Glass Path Corrector
£82.00
Official Store Notice: Dark Clear Skies UK only sells through www.darkclearskies.co.uk. We do not operate mirror domains or third-party clone websites.
Dark Clear Skies UK
Passion for the Night Sky, Delivered.
Company No: 14386995 • VAT: 455332596
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