More products from the brand :Rainbow Astro

Rainbow Astro RST135 harmonic mount

CHF 4'499

Disponible en stock chez le fournisseur

Free delivery against signature
Easy, free returns

Rainbow Astro RST-135 mount: Lightweight, High-Performance and Ultimate Precision for Astrophotography

The Rainbow Astro RST-135 mount revolutionizes nomadic astrophotography thanks to its innovative technology, combining exceptional lightness, uncompromising precision and versatility of use. Available in two versions, the standard RST-135 and the RST-135E with absolute encoders, it meets the varied needs of both amateur astronomers and professional astrophotographers.

Why choose the Rainbow Astro RST-135?

  • Harmonic Drive technology (Strain Wave Gear) Drastically reduces backlash, guaranteeing precise tracking even without counterweights.
  • Featherweight Only 3.3 kg for a load capacity of up to 13.5 kg without counterweight (18 kg with).
  • Dual Equatorial and Alt-Azimuthal Mode Flexibility of use for visual observation, planetary and deep-sky imaging.
  • Modern connectivity integrated GPS, Wi-Fi and ASCOM compatibility for quick and easy control via smartphone or PC.
  • Premium Design Sturdy construction in CNC-machined AL6061 aluminum, durable and aesthetically pleasing.

RST-135 vs RST-135E : Comparison chart

Features RST-135 RST-135E (Absolute encoders)
Weight 3.3 kg 3.4 kg
Payload 13.5 kg (without counterweight) 13.5 kg (without counterweight)
Transmission Harmonic Drive Harmonic Drive
Absolute encoders No Yes (RA axis, Renishaw)
Engine Swiss made Maxon DC High precision servo Swiss made Maxon DC High precision servo
Periodic accuracy (PE) Better than competitors ± 2.5 arcsec, real-time correction via encoder
Recovery from power failure Manual search required Immediate automatic restart (absolute encoder)

Key benefits and differentiation

Harmonic Drive technology virtually eliminates mechanical backlash, resulting in exceptional precision when tracking celestial objects. Unlike traditional geared mounts, it requires no adjustment of mechanical backlash, reducing maintenance to a minimum.

Thanks to its light weight and high load-bearing capacity without counterweight, the RST-135 is ideal for travelling astrophotographers looking for a quick, transportable set-up.

Guiding accuracy

Rated at ± 2.5 arcsec, this mount produces perfectly round stars at any focal length!

Examples

Quick installation and commissioning

  1. Install the mount on your tripod.
  2. Select equatorial or alt-azimuth mode as required.
  3. Use the built-in viewfinder to perform polar alignment.
  4. Activate the built-in GPS to automatically initialize date, time and location.
  5. Start the rapid alignment procedure via the controller or a compatible application.

Positioning and Guiding comparison: RST-135 vs RST-135E

Criteria RST-135 RST-135E
Initial alignment time ~5 min ~2 min
Typical guidance error (RMS) < 1 arcsec < 0.5 arcsec
Resumption after interruption Manual Automatic

Conclusion: An exceptional mount for demanding astrophotographers

Whether you're an amateur astronomer looking for mobility and ease of use, or an experienced astrophotographer demanding impeccable precision, the Rainbow Astro RST-135 mount is the perfect solution. Choose the RST-135E if you want to benefit from the highest precision offered by absolute encoders. When you choose Rainbow Astro, you choose excellence in astrophotography.

Products in the same category

Sky-Watcher EQ8-Rh PRO (Tête)
Sky-Watcher EQ8-Rh PRO (Head)
CHF 6'399
Sky-Watcher Skyliner-350P Flextube
Sky-Watcher Skyliner-350P Flextube
CHF 2'029
Caméra ToupTek G3M678M  (IMX678M mono)
ToupTek G3M678M camera (IMX678M mono)
CHF 219
Bande chauffante pour objectif / anti-buée pour astrophotographie (avec contrôleur)
Lens heater / anti-fog strip for astrophotography (with controller)
CHF 29
Monture harmonique iOptron AZ/EQ HAE29B-EC avec encodeur et iMate
iOptron AZ/EQ HAE29B-EC harmonic mount with encoder and iMate
Price range: CHF 2'859 through CHF 2'989
Monture Avalon M-Zero HQ Bluetooth avec trépied
Avalon M-Zero HQ Bluetooth mount with tripod
CHF 4'099
Caméra ToupTek SkyEye62AM (IMX455 mono)
ToupTek SkyEye62AM camera (IMX455 mono)
CHF 2'929
Monture JTW Trident GTS
JTW Trident GTS frame
CHF 6'899
Monture équatoriale Pegasus NYX-88
Pegasus NYX-88 equatorial frame
CHF 1'699
Sky-Watcher CQ350 PRO Tête de monture avec trépied en acier inox 2,75"
Sky-Watcher CQ350 PRO 2.75" stainless steel tripod mounting head
CHF 3'149
Filtre MSM Easy Focus - Star Focus - idéal pour la photographie d'étoiles
MSM Easy Focus filter - Star Focus - ideal for star photography
CHF 59
Caméra ToupTek GPM462M (IMX462 mono)
ToupTek GPM462M camera (IMX462 mono)
CHF 145
Télescope Sky-Watcher Heritage 114P Virtuoso
Sky-Watcher Heritage 114P Virtuoso telescope
CHF 359
Sky-Watcher AZ-EQ6GT Monture Go-To
Sky-Watcher AZ-EQ6GT Go-To mount
CHF 1'899
Case n°4 du calendrier de l'Avent 2025 - Une monture !
Case n°4 of the 2025 Advent calendar - A frame!
Original price was: CHF 2'228.Current price is: CHF 1'818.

Our new products

Réducteur / Correcteur Sky-Watcher 0,77× pour Esprit 150 ED et EDX
Réducteur / Correcteur Sky-Watcher 0,77× pour Esprit 150 ED et EDX
CHF 284
TS-Optics Photoline SD-APO 125 mm f/7.8 – Doublet FPL-53 / Lanthane
TS-Optics Photoline SD-APO 125 mm f/7.8 – Doublet FPL-53 / Lanthane
CHF 1'399
Filtre Baader ND 2" OD 0.9 T=12.5%
Filtre Baader ND 2" OD 0.9 T=12.5%
CHF 79
Sky-Watcher Skymax 150 EQ5
Sky-Watcher Skymax 150 EQ5
CHF 1'149
Sky-Watcher SKYMAX 127 AZ-GTi WiFi
Sky-Watcher SKYMAX 127 AZ-GTi WiFi
CHF 699
Sky-Watcher SKYMAX 127 AZ-Go2 WiFi
Sky-Watcher SKYMAX 127 AZ-Go2 WiFi
CHF 569
Sky-Watcher EXPLORER 130P AZ-Go2 WiFi
Sky-Watcher EXPLORER 130P AZ-Go2 WiFi
CHF 449
Sky-Watcher STARTRAVEL-102 (AZ-GO2)
Sky-Watcher STARTRAVEL-102 (AZ-GO2)
CHF 451
Sky-Watcher Startravel 120 AZ Pronto
Sky-Watcher Startravel 120 AZ Pronto
CHF 462
Sky-Watcher Skymax 102S AZ Pronto
Sky-Watcher Skymax 102S AZ Pronto
CHF 359
[category_menu_mobile]