Sky-Watcher Esprit 80 mm F/5 Apochromatic Refractor Telescope with Flattener

The Sky-Watcher Esprit 80 mm F/5 Refractor is a premium optical instrument meticulously designed to meet the high standards of astrophotographers and visual astronomy enthusiasts alike. With its exceptional performance and ability to minimize optical defects, this refractor is a perfect choice for those who demand clarity and precision.

Exceptional Optical Quality

At the core of this refractor is an apochromatic triplet lens system, crafted with precision using top-tier Schott BK-7 and FPL-53 ED glass. Coupled with a multi-layer anti-reflective coating, the lenses deliver sharp images with impeccable color fidelity. The internally partitioned system further enhances contrast, ensuring a stunning visual experience.

Seamless Integration and Robust Design

This refractor comes equipped with a dedicated flattener featuring an M48 connector, facilitating easy integration. The robust 2.7" diameter focuser supports up to 5 kg, allowing for the attachment of heavy professional SLR cameras without losing alignment. The fold-out dew shield enhances portability, making it easy to transport the optical tube.

Key Features

• APO ED triplet lens system constructed with high-quality FPL-53 ED and Schott BK-7 glass, featuring multi-layer anti-reflective coating.
• Dedicated flattener with M48 fitting included.
• Sturdy 3" diameter focuser for mounting heavy SLRs without alignment issues.
• Fold-out dew shield for easy transportation.

Technical Specifications

• Optical system: ED-APO apochromatic triplet.
• Objective diameter: 80 mm.
• Focal length: 400 mm.
• Focal ratio: f/5.
• Resolving power: 1.75".
• Star range: 12.5 mag.
• Maximum usable magnification: 160x.
• Lens materials: FPL-53 Super ED glass (Ohara, Japan), Schott BK-7 glass (Schott, Germany).
• Anti-reflective coating: Full MHT multilayer coating.
• Fully illuminated circle diameter: 33 mm (with flattener).
• Back focus: 66 mm (with flattener).
• Eyepiece diameter: 2.7", with reduction to 2".
• Eyepiece type: Linear Power, microfocus 1:11.
• Maximum lifting capacity: 5 kg.
• Finder: Angular, 9x50.
• Angle attachment: Dielectric mirror.
• Tube length: 450 mm.
• Tube diameter: 83 mm.
• Weight: 3.9 kg.

Kit Components

• Sky-Watcher Esprit 80 mm F/5 refractor.
• Vixen-type dovetail rail (width 45 mm).
• Tube clamps.
• Dedicated flattener with M48 mount.
• 9x50 angular finder.
• 2" angle attachment.
• Threaded reduction 2.7/2".
• Aluminum trunk.
• T2/M48 ring (Canon).

Warranty

The Sky-Watcher Esprit 80 mm F/5 refractor is backed by a 60-month warranty, providing peace of mind for your investment.