Sky Rover 125GPA f/7.8 Doublet Refractor
Sky Rover
Sky Rover 125 GPA 125mm f/7.8 Super ED Doublet APO Refractor OTA is an optical tube for general deep-sky imaging and visual observing.
Best Current Offer
Specifications
Optics
- Optical design
- Air-spaced Super ED doublet apochromat
- Aperture
- 125 mm (4.9")
- Focal length
- 975 mm
- Focal ratio
- f/7.8
- Dawes limit
- 0.93"
- Lens design
- Fully multi-coated (FMC) — all air-to-glass surfaces
Mechanical
- Focuser
- handles everything from lightweight eyepieces to moderate imaging rigs with the precision you need at 975 mm focal length. The
Astrophotography Fit
Best for general deep-sky imaging and visual observing when the mount, camera format, and correction hardware are chosen as one system.
Sky Rover 125 GPA 125mm f/7.8 Super ED Doublet APO Refractor OTA sits in the telescope slot for general deep-sky imaging and visual observing. The important buying question is whether the optical design, focal length, and mount demands match the targets you actually shoot.
Refractors keep the field routine calmer: no regular collimation, predictable cooldown, and a clean path to autofocus and filtered imaging. The tradeoff is aperture and reach.
Best paired with
- Corrected field flattener or reducer when the design requires one
- Cooled APS-C or smaller astro cameras matched to the image circle
- Autofocus, guide scope or OAG, and a mount with comfortable payload margin
Not recommended for
- Large full-frame sensors unless the corrected field supports them
- Very small travel mounts near their realistic imaging payload limit
- Buyers expecting one telescope to be ideal for every target size
Where To Buy
Some links on this page are affiliate links. Prices and availability are pulled automatically from each retailer and updated daily.
| Retailer | Price | Availability | View Offer |
|---|---|---|---|
| Astronomics Astronomics | $1,499.00 | In stock Updated 5/12/2026 | View Offer - $1,499.00 |