102 GPA Planetary Telescope
In the field of planetary observation, although refracting telescopes are inherently limited in aperture, their naturally high contrast, razor-sharp imaging, and vivid color reproduction have earned them the reputation of being "optical masterpieces" among observers who pursue the ultimate visual experience.
The SR 102GPA Planetary telescope features an innovative doublet elements air-spaced apochromatic optical system, incorporating a Super ED (ultra-low dispersion) lens. Paired with a long focal ratio design, it significantly enhances the Polychromatic Strehl Ratio (PSR)—a critical metric indicating optical performance across multiple wavelengths. Its exceptional PSR allows the telescope to surpass diffraction limits, delivering planetary detail that approaches the theoretical maximum in visual observation. This makes it a "retina-grade" optical tool for the most discerning observers.
The 102GPA Planetary telescope embodies the elegance of scientific instrumentation through a revival of vintage aesthetics. When placed with a wooden tripod in a study or library, its classic silhouette transforms it into a collectible, artisanal piece that carries the romance of the stars. But once aimed at the night sky, its air-spaced apochromatic system reveals its true prowess—turbulence in Jupiter’s cloud bands and the crisp divisions in Saturn’s rings appear in striking detail through the eyepiece.
Whether as a statement piece for refined interiors or a powerhouse for serious astronomical observation, the 102GPA redefines the symbiosis of science and aesthetics through its "visual-grade precision" and "classical artistic charm."

Optional reference for accessories

Product Introduction
Super ED glass
Doublet elements, air-spaced apochromatic, including a piece of Super ED
Chromatic Aberration Curve

F/11 Long Focal Ratio
With a 102mm aperture and a focal length of 1122mm, the telescope achieves a long focal ratio of f/11, making it well-suited for planetary observation.
PIC for reference only
Elegant&Vintage-inspired design
It features a two-section detachable tube that allows greater flexibility when using binoviewers and other visual accessories.

Focuser
Equipped with a 2.5-inch R&P focuser featuring high-quality anti-reflection treatment for smooth and precise focusing.

Specifications
Diameter: 102mm
Focal length: 1122mm
Focal ratio: F/11
Optics: doublet elements, air-spaced apochromatic, including a piece of Super ED
Coating: FMC
Focusing: 2.5-inch R&P two-speed focuser。
Body: It is made of aluminum alloy. Multiple diaphragms in the mirror can effectively reduce stray light.
Size: about 1012mm (Shortest) ;about 1257mm (Longest)
Weight: OTA about 3.9kg, about 4.6kg (including hoop and dovetail )
Packaging: Full-wrapped pearl cotton protective packaging and double-layer cartons
Basic Structures
