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Prism rails, also called dovetail bars, are usually used for mounting telescopes onto an astronomical mount. Often these rails are also used to attach additional accessories to the telescope tube, such as a guide scope or a camera.

Two standards have been established: the relatively narrow rails introduced by the Japanese manufacturer Vixen, and the wider Losmandy rails. The latter are 3 inches wide and are mainly used for heavy telescopes.

Most astronomical mounts are designed for one of the two standards. Medium-sized mounts are often equipped with a dual mounting saddle that can accommodate both standards.

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Omegon Losmandy-style 370mm parallel mounting plate
Omegon
Losmandy-style 370mm parallel mounting plate
$ 249.00
ready for shipping in 24 h
TS Optics Prismenschiene Vixen 245mm
TS Optics
Prismenschiene Vixen 245mm
$ 30.90
ready for shipping in 3-7 days
ADM VC8-XL Celestron 8" SCT
ADM
VC8-XL Celestron 8" SCT
$ 203.00
ready for shipping in 3-5 weeks
Astroprints Prismenschiene Vixen-Style 150mm
Astroprints
Prismenschiene Vixen-Style 150mm
$ 40.90
ready for shipping in 24 h
Astroprints Vixen style prism rail 200mm
Astroprints
Vixen style prism rail 200mm
$ 48.90
ready for shipping in 24 h
ADM DRC6-XL
ADM
DRC6-XL
$ 241.00
ready for shipping in 3-5 weeks
Astroprints GT-rail, model V, l = 120 mm
Astroprints
GT-rail, model V, l = 120 mm
$ 32.90
ready for shipping in 3-7 days
Astroprints Prismenschiene Vixen-Style 150mm
Astroprints
Prismenschiene Vixen-Style 150mm
$ 40.90
ready for shipping in 3-7 days
Astroprints GT-rail, model V, l = 120 mm
Astroprints
GT-rail, model V, l = 120 mm
$ 32.90
ready for shipping in 3-7 days
Astroprints GT-rail, model V, l = 120 mm
Astroprints
GT-rail, model V, l = 120 mm
$ 32.90
ready for shipping in 3-7 days
Astroprints Prismenschiene Vixen-Style 150mm
Astroprints
Prismenschiene Vixen-Style 150mm
$ 40.90
ready for shipping in 3-7 days
Astroprints Vixen style prism rail 200mm
Astroprints
Vixen style prism rail 200mm
$ 48.90
ready for shipping in 3-7 days
TS Optics Prismenschiene Vixen-Style 390mm
TS Optics
Prismenschiene Vixen-Style 390mm
$ 115.00
ready for shipping in 3-7 days
Astroprints Vixen style prism rail 200mm
Astroprints
Vixen style prism rail 200mm
$ 48.90
ready for shipping in 3-7 days
OpenAstroTech Prismenschiene für OpenAstroGuider V3 Vixen-Style
OpenAstroTech
Prismenschiene für OpenAstroGuider V3 Vixen-Style
$ 5.90
ready for shipping in 6-10 weeks
Orion Optics UK Losmandy-Schiene für VX12
Orion Optics UK
Losmandy-Schiene für VX12
$ 359.00
ready for shipping in 3-6 months
TS Optics Losmandy-style dovetail plate - Length 7,8inch - 199mm
TS Optics
Losmandy-style dovetail plate - Length 7,8inch - 199mm
$ 65.00
ready for shipping in 3-7 days
Omegon mounting rail for EQ-4/5/6 mounts
Omegon
mounting rail for EQ-4/5/6 mounts
$ 29.90
ready for shipping in 24 h
Omegon universal mounting plate Losmandy style (short)
Omegon
universal mounting plate Losmandy style (short)
$ 79.00
ready for shipping in 24 h
Omegon 15cm mounting rail for EQ-5/6 mounts
Omegon
15cm mounting rail for EQ-5/6 mounts
$ 29.90
ready for shipping in 24 h
Omegon Long mounting rail (Losmandy-style)
Omegon
Long mounting rail (Losmandy-style)
$ 79.00
Product can be shipped as of 01.02.2025
Omegon 120mm prism rail
Omegon
120mm prism rail
( 1 / 5 )
$ 29.90
ready for shipping in 24 h
Omegon 55mm prism rail with screw
Omegon
55mm prism rail with screw
$ 24.90
ready for shipping in 24 h
ASToptics Universal V-style camera dovetail, 120mm
ASToptics
Universal V-style camera dovetail, 120mm
$ 65.00
ready for shipping in 24 h
Omegon Pro Prismenschiene RC 6''
Omegon
Pro Prismenschiene RC 6''
RRP:  $ 79.00
Our price:
$ 64.90
ready for shipping in 24 h
Omegon Pro Prismenschiene RC 8''
Omegon
Pro Prismenschiene RC 8''
$ 49.90
ready for shipping in 24 h
ASToptics UNIVERSAL V PLATE 215MM with 50MM PLATFORM (SILVER)
ASToptics
UNIVERSAL V PLATE 215MM with 50MM PLATFORM (SILVER)
$ 108.00
ready for shipping in 24 h
ASToptics HD DUAL Losmandy and Vixen, 355mm
ASToptics
HD DUAL Losmandy and Vixen, 355mm
$ 530.00
ready for shipping in 24 h
Omegon 180mm prism rail with screw
Omegon
180mm prism rail with screw
( 5 / 5 )
$ 59.00
ready for shipping in 24 h
ASToptics MINI Vixen-style dovetail, 42mm
ASToptics
MINI Vixen-style dovetail, 42mm
$ 38.90
ready for shipping in 24 h
ASToptics Universal Vixen-style dovetail, 300mm
ASToptics
Universal Vixen-style dovetail, 300mm
$ 98.00
ready for shipping in 24 h
Omegon 33cm mounting rail for EQ-4/5/6 mounts
Omegon
33cm mounting rail for EQ-4/5/6 mounts
$ 39.90
ready for shipping in 24 h
ASToptics Universal V-style camera dovetail, 100mm
ASToptics
Universal V-style camera dovetail, 100mm
$ 65.00
ready for shipping in 24 h
ASToptics IMPROVED VIXEN STYLE PLATE, 200MM
ASToptics
IMPROVED VIXEN STYLE PLATE, 200MM
$ 98.00
ready for shipping in 24 h
ASToptics UNIVERSAL V PLATE, 215MM with 50MM PLATFORM (RED)
ASToptics
UNIVERSAL V PLATE, 215MM with 50MM PLATFORM (RED)
$ 108.00
ready for shipping in 3-5 weeks
William Optics Prismenschiene DSD 210
William Optics
Prismenschiene DSD 210
$ 65.00
ready for shipping in 24 h
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