Αξεσουάρ Τηλεσκοπίων Skywatcher ED100 Focal Reducer 0.85x

The Skywatcher ED100 Focal Reducer 0.85x is a premium optical accessory specifically crafted for the Sky-Watcher Pro 100 ED and EvoStar 100 ED APO refractor telescopes.

Its main advantage lies in its ability to reduce the telescope's focal length by 0.85x. This means a wider field of view and a decreased focal ratio of approximately f/7.65, enhancing the capacity for astrophotographers to capture expansive sections of the sky with notably shorter exposure times.

Moreover, the focal reducer also serves as a field flattener, which is crucial for correcting distortion and coma at the edges of the image. Without this correction, stars near the periphery can appear distorted, thus limiting image quality.

Key features and technical specifications of this exceptional accessory include:

• Focal Reduction Factor: 0.85x, allowing for faster focal ratios.
• Compatible Telescope: Designed for the Sky-Watcher Pro 100 ED/EvoStar 100 ED APO refractors.
• Optical Design: Integrates focal reduction alongside field flattening for enhanced image quality.
• Back Focus Distance: 55 mm from the M48 thread start to the detector flange.
• Mounting Thread: Male M48 x 0.75 thread; requires a 48mm T-ring adapter.
• Weight: Approximately 0.7 lbs (300 grams).
• Coatings: Multi-coated optics to optimize light transmission.

In summary, the Skywatcher ED100 Focal Reducer is an essential tool for astrophotographers aiming to elevate their imaging capabilities while efficiently utilizing their telescope.