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Telescopes and accessories are often equipped with a prism rail - also called a dovetail bar. This rail can be attached firmly by means of a dovetail clamp to, for example, an astronomical mount.

Two standards have been established for the rails: 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.

Accordingly, there are dovetail clamps for Vixen or Losmandy rails. Dual dovetail clamps can accommodate both sizes.

Products 1 - 36 of 101
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Omegon Dual prism clamp (Losmandy- and Vixen-Style)
Omegon
Dual prism clamp (Losmandy- and Vixen-Style)
$ 119.00
ready for shipping in 24 h
Omegon Premium clamp
Omegon
Premium clamp
$ 79.00
ready for shipping in 24 h
PrimaLuceLab PLUS Vixen / Losmandy prism clamp
PrimaLuceLab
PLUS Vixen / Losmandy prism clamp
$ 71.00
ready for shipping in 24 h
ADM Prism clamp/adapter for Skywatcher StarAdventurer GTi
ADM
Prism clamp/adapter for Skywatcher StarAdventurer GTi
$ 103.00
ready for shipping in 24 h
ASToptics DX VIXEN/LOSMANDY CLAMP, 150MM
ASToptics
DX VIXEN/LOSMANDY CLAMP, 150MM
$ 238.00
ready for shipping in 24 h
Artesky Prism clamp Vixen-Style 80mm
Artesky
Prism clamp Vixen-Style 80mm
$ 44.90
ready for shipping in 24 h
Bresser Dovetail clamp Messier Vixen-Style
Bresser
Dovetail clamp Messier Vixen-Style
$ 40.90
ready for shipping in 24 h
Losmandy Prism rail with two V/D prism clamps
Losmandy
Prism rail with two V/D prism clamps
RRP:  $ 620.00
Our price:
$ 488.00
ready for shipping in 24 h
ADM Dual Prism clamp Vixen/Losmandy for Celestron AVX
ADM
Dual Prism clamp Vixen/Losmandy for Celestron AVX
$ 336.00
ready for shipping in 24 h
Losmandy Vixen / prism clamp
Losmandy
Vixen / prism clamp
RRP:  $ 103.00
Our price:
$ 94.00
ready for shipping in 24 h
PrimaLuceLab PLUS Vixen /Losmandy prism clamp, large
PrimaLuceLab
PLUS Vixen /Losmandy prism clamp, large
RRP:  $ 151.00
Our price:
$ 146.00
ready for shipping in 24 h
William Optics Prism clamp Vixen-Style 90mm
William Optics
Prism clamp Vixen-Style 90mm
$ 103.00
ready for shipping in 24 h
iOptron Secondary Dovetail Saddle
iOptron
Secondary Dovetail Saddle
RRP:  $ 135.00
Our price:
$ 113.00
ready for shipping in 24 h
PegasusAstro Saddle Powerbox NYX-101
PegasusAstro
Saddle Powerbox NYX-101
$ 470.00
ready for shipping in 24 h
PegasusAstro Universal Clamp
PegasusAstro
Universal Clamp
$ 155.00
ready for shipping in 24 h
Artesky Prism clamp Vixen-Style 150mm
Artesky
Prism clamp Vixen-Style 150mm
$ 51.00
ready for shipping in 24 h
Geoptik Universal Losmandy/Vixen saddle plate, 170mm
Geoptik
Universal Losmandy/Vixen saddle plate, 170mm
$ 186.00
ready for shipping in 24 h
Artesky Prism clamp Premium Losmandy-Style 255mm
Artesky
Prism clamp Premium Losmandy-Style 255mm
$ 82.00
ready for shipping in 24 h
TS Optics Premium Vixen-Style Prism clamp
TS Optics
Premium Vixen-Style Prism clamp
$ 57.00
ready for shipping in 24 h
Artesky Prism clamp Vixen-Style
Artesky
Prism clamp Vixen-Style
$ 62.00
ready for shipping in 24 h
ASToptics 150MM DX LOSMANDY LEVEL DOVETAIL CLAMP
ASToptics
150MM DX LOSMANDY LEVEL DOVETAIL CLAMP
$ 207.00
ready for shipping in 24 h
ASToptics 80MM DX LOSMANDY LEVEL DOVETAIL CLAMP
ASToptics
80MM DX LOSMANDY LEVEL DOVETAIL CLAMP
$ 124.00
ready for shipping in 24 h
ADM VSAD CEM26/GEM28
ADM
VSAD CEM26/GEM28
$ 230.00
ready for shipping in 24 h
ADM Dual Skywatcher AZ-5
ADM
Dual Skywatcher AZ-5
$ 135.00
ready for shipping in 24 h
ADM Dual Prism clamp Losmandy & Vixen for Skywatcher AZ-GTi
ADM
Dual Prism clamp Losmandy & Vixen for Skywatcher AZ-GTi
$ 150.00
ready for shipping in 24 h
Rowan Dual Prism clamp Vixen/Losmandy for AZ100
Rowan
Dual Prism clamp Vixen/Losmandy for AZ100
$ 364.00
ready for shipping in 24 h
ADM GP-Level Prism clamp for Skywatcher EQ-6 Mount
ADM
GP-Level Prism clamp for Skywatcher EQ-6 Mount
$ 230.00
ready for shipping in 24 h
TS Optics Premium Losmandy-Style Prism clamp
TS Optics
Premium Losmandy-Style Prism clamp
RRP:  $ 93.00
Our price:
$ 73.00
ready for shipping in 24 h
ADM Prism clamp for Skywatcher AZ-GTi Mount
ADM
Prism clamp for Skywatcher AZ-GTi Mount
$ 123.00
ready for shipping in 3-5 weeks
Vixen Polarie Multi Mounting Block
Vixen
Polarie Multi Mounting Block
$ 166.00
ready for shipping in 1-2 weeks
ADM Dual Saddle Plate XL for Skywatcher EQ-6R PRO mount
ADM
Dual Saddle Plate XL for Skywatcher EQ-6R PRO mount
$ 354.00
ready for shipping in 3-5 weeks
ADM Dual-CGEM II
ADM
Dual-CGEM II
$ 354.00
ready for shipping in 3-5 weeks
ADM Prism clamp with Vixen Losmandy & Vixen adapter
ADM
Prism clamp with Vixen Losmandy & Vixen adapter
$ 248.00
ready for shipping in 3-5 weeks
ADM VSAD-GP Vixen Great Polaris
ADM
VSAD-GP Vixen Great Polaris
$ 230.00
ready for shipping in 3-5 weeks
Track The Stars Prismenklemme Losmandy-Style für TS-160 Panther
No Name
Track The Stars Prismenklemme Losmandy-Style für TS-160 Panther
$ 155.00
ready for shipping in 24 h
ADM DSAD-SP Prism clamp for Vixen Super Polaris
ADM
DSAD-SP Prism clamp for Vixen Super Polaris
$ 230.00
ready for shipping in 3-5 weeks