Sky Rover 70 mm GPS f/6 Super ED Triplet APO Refractor with optics test

Sky Rover 70/420 mm Super ED Triplet Apochromat

The 70GP S (APO PRO) continues the classic air-spaced triplet apochromatic optical design. Each optical system undergoes rigorous inspection, including artificial star testing and laser interferometry, ensuring that chromatic aberration and spherical aberration are well controlled even at very high magnifications, delivering outstanding image quality.

Significant improvements have also been made to the mechanical design. The earlier lens ring and bracket structure has been removed and replaced with the classic dual mounting rings, providing greater stability for deep-sky astrophotography. To preserve the compact and agile nature of the 70GP S, extensive weight reduction has been applied to the mounting rings and CNC narrow dovetail plate, while maintaining structural strength. The new ring handwheels also provide a more secure and refined locking feel.

The telescope is equipped with the new field rotator (CAA), offering a smoother and more precise user experience when adjusting the imaging orientation. The mini carrying handle not only makes the telescope easier to transport but can also serve as an accessory mounting platform for devices such as guide scopes or astronomy control boxes.

The 70GP S can also be paired with an optional dedicated 1× field flattener. This compact flattener delivers excellent performance for APS-C format imaging, providing enthusiasts with greater flexibility for a wide range of astrophotography applications.

Optics
The optical system adopts an air-spaced triplet apochromatic design, incorporating a Super ED glass element. The 70GP S (70APO PRO) therefore provides excellent control of chromatic aberration and spherical aberration, even when used at very high magnifications.

The 2" dual-speed rack&pinion focuser
The 2" focuser is well suited to photography, as the drawtube is adjusted via a rack-and-pinion mechanism, thereby preventing slippage. The adjustment of the draw tube can be done quickly and precisely with two speeds. An M54x0.75 internal thread is available for screwed adaptations.

All-New CAA System
The 70GP S (70APO PRO) features a rear-mounted CAA (image field rotator) integrated into the optical tube assembly to improve mechanical axis stability and offering 360° rotation for selecting the correct field of view. The rotator is also laser-engraved with angle markings for precise framing during imaging.

All-New Handle, Tube Rings, and Dovetail Plate
The telescope features an all-new handle, tube rings, and dovetail plate. The dovetail plate adopts a weight-reduction cutout design, making it more compact and portable. Multiple threaded mounting holes are provided on the handle, allowing convenient installation of various accessories.

Soft Bag
The 70GP S (70APO PRO) comes standard with a portable soft carrying case, which not only safely protects the telescope but also offers enhanced portability and ease of use.

Technical Information
Teleskop-Service has collected a lot of helpful information about refractors and provided it in English as a PDF file: refractors.pdf

Images by Martin Voigt

Our customer Martin Voigt has made nice photographs of some objects with the predecessor of this telescope. Click on them to enlarge them.

Object: Elephant´sTrunk Nebula (IC 1396 A)

Photographer: Martin Voigt (Germany)
Imaging optics: TS CF-APO 70/420 mm f/6 FPL55 triplet apo (TSCFAPO70)
Motor focus: ZWO EAF 5 V (ZWO-5V-EAF-S)
Field corrector: TS-Optics 1.0x Refractor Flattener for ED & APO 70-72 mm aperture (TSFlat72)
Filter: Optolong L-Ultimate (L-ULTIMATE2) for nebula, stars additionally imaged
Imaging camera: ASI 2600MC Pro (ASI2600MC-P)
Guide scope: SVbony 30 mm (not available, alternatively TSL32 or ASI30120SCOPE)
Guiding camera: ASI120MM Mini (ASI120mini)
Mount: iOptron CEM40 (iO7420)


Object: Heart Nebula (IC 1805)

Photographer: Martin Voigt (Germany)
Imaging optics: TS CF-APO 70/420 mm f/6 FPL55 triplet apo (TSCFAPO70)
Motor focus: ZWO EAF 5 V (ZWO-5V-EAF-S)
Field corrector: TS-Optics 1.0x Refractor Flattener for ED & APO 70-72 mm aperture (TSFlat72)
Filter: Optolong L-eNhance (OPL-13802) for nebula, stars additionally imaged
Imaging camera: ASI 2600MC Pro (ASI2600MC-P)
Guide scope: SVbony 30 mm (not available, alternatively TSL32 or ASI30120SCOPE)
Guiding camera: ASI120MM Mini (ASI120mini)
Mount: iOptron CEM40 (iO7420)


Object: Horsehead Nebula (B 33 in front of IC 434)

Photographer: Martin Voigt (Germany)
Imaging optics: TS CF-APO 70/420 mm f/6 FPL55 triplet apo (TSCFAPO70)
Motor focus: ZWO EAF 5 V (ZWO-5V-EAF-S)
Field corrector: TS-Optics 1.0x Refractor Flattener for ED & APO 70-72 mm aperture (TSFlat72)
Filter: Optolong L-Ultimate (L-ULTIMATE2)
Imaging camera: ASI 2600MC Pro (ASI2600MC-P)
Guide scope: SVbony 30 mm (not available, alternatively TSL32 or ASI30120SCOPE)
Guiding camera: ASI120MM Mini (ASI120mini)
Mount: iOptron CEM40 (iO7420)

Many thanks to Martin Voigt from Germany for the nice images!

Safety informations: PDF Download