Apochromatic Refractor ED APO 127mm f/7.5 FCD-100 with HEXAFOC 2.5'' Focuser - Explore Scientific

The ED APO 127mm f/7.5 FCD-100 refractor from Explore Scientific is designed to deliver exceptional optical performance, whether for visual observation or astrophotography. Thanks to its triplet apochromatic design with special Hoya FCD-100 glass, it provides high-level chromatic correction, with a Strehl ratio of 0.97, ensuring clear and aberration-free images.

The lightweight and robust aluminum tube, combined with the HEXAFOC 2.5” focuser with 1:10 reduction, allows for precise focusing, even with heavy accessories and large camera sensors. Its 65 mm free diameter eliminates vignetting in astrophotography. The f/7.5 aperture ratio makes it particularly versatile, allowing for short exposure times to capture precise details of nebulae, galaxies, and planets. This telescope is compact and easy to transport, ideal for amateur astronomers who want a powerful instrument without compromising portability.

Characteristics:

• Aperture: 127 mm
• Focal length: 952 mm (f/7.5)
• Optics: Triplet apochromatic design with Hoya FCD-100 glass for optimal chromatic correction
• HEXAFOC 2.5” focuser with 1:10 reduction
• 65 mm free diameter to avoid vignetting in astrophotography
• Robust and lightweight aluminum tube
• Tubing weight: 7.7 kg

Advantages:

• Exceptional chromatic correction with FCD-100 glass for clear and detailed images
• Suitable for both visual observation and astrophotography
• Precise and robust HEXAFOC focuser, perfect for fine focusing, even at high magnification
• Compact and lightweight construction, easy to transport for field observations
• Compatible with many accessories, including field flatteners for astrophotography

Delivered items:

• Explore Scientific ED APO 127mm f/7.5 optical tube
• 2” star diagonal with 99% reflectivity
• Two extension rings for the focuser
• Clamp rings with dovetail plate and handle
• Dust protection covers for the objective lens and focuser
• Universal finder shoe