StellaMira 86mm ED Quadruplet f/7 Flatfield Refractor Telescope

The StellaMira 86mm ED Quadruplet f/7 Flatfield Refractor is a compact apochromatic telescope engineered for astrophotographers and observers seeking a balance between portability, optical quality, and imaging performance. Featuring a four-element optical system with integrated field correction, the telescope is designed to produce consistently sharp stars across the image plane without requiring an additional external field flattener.

With its 86mm aperture and 602mm focal length, the telescope offers a versatile imaging platform suitable for a wide variety of deep-sky targets. The focal length provides enough image scale for medium-sized galaxies and nebulae while still maintaining the wide-field capability that refractor astrographs are known for.

The optical system incorporates ED glass elements to minimize chromatic aberration and maintain accurate colour rendition across the visible spectrum. This helps produce clean, high-contrast images with well-controlled star profiles, making the telescope particularly well suited to modern high-resolution imaging sensors.

The telescope is equipped with a robust dual-speed rack-and-pinion focuser designed to provide smooth operation and accurate fine-focus adjustment. The focuser assembly is engineered to support heavier astrophotography equipment such as cooled cameras, filter wheels, off-axis guiders, and electronic autofocus systems while maintaining reliable alignment.

A rotatable focuser section allows convenient framing adjustments during imaging sessions, while multiple threaded connections improve compatibility with a broad range of camera systems and accessories. The focuser design also helps reduce flexure, which can be important during long-exposure astrophotography.

CNC-machined tube rings, dovetail mounting hardware, and compact optical tube help keep overall system weight manageable for portable equatorial mounts. This makes the telescope particularly attractive for users building lightweight travel imaging systems or seeking a capable refractor for remote dark-sky imaging trips.

Although primarily intended for astrophotography, the StellaMira 86mm ED Quadruplet also performs very well for visual observation. The refractor design provides crisp lunar and planetary views, excellent contrast on brighter deep-sky objects, and wide-field observing capability for open clusters and rich star fields.

Combining integrated flat-field optics, quality ED glass, and imaging-focused mechanics, the StellaMira 86mm ED Quadruplet f/7 is designed as a versatile astrograph capable of delivering high-quality results for both beginner and experienced astrophotographers.