Explore Scientific FCD-100 Alu Hex – 127mm Apochromatic Refractor Telescope

The Explore Scientific FCD-100 Alu Hex features a meticulously designed 127 mm air-spaced triplet apochromatic lens, comprised of three lenses, encased in an aluminium tube and paired with a high-precision 2.5" HEXAFOC focuser. A new addition is the hybrid viewfinder shoe, compatible with various viewfinder holders, enhancing its versatility.

Unparalleled Performance and Adaptability

Apochromats are the pinnacle choice for aficionados seeking compact, easily transportable telescopes without compromising on image quality. The Explore Scientific FCD-100 Alu Hex delivers unparalleled image contrast and sharpness, making it ideal for both visual observations and astrophotography. Its optical system, boasting a polystrehl value of 0.97, signifies near-perfect correction of both colour and spherical aberrations, redefining expectations in its price range.

This telescope offers rapid exposure times due to its fast f-ratio, presenting breathtaking views of celestial phenomena from expansive nebulae to detailed planetary surfaces. Its lightweight, compact design, complete with a retractable dew shield, ensures ease of transportation. The use of high-quality glass and precision engineering yields superior observational experiences, making it an excellent choice for both travel and astrophotography.

Innovative Features

• 2.5" HEXAFOC Focuser: With 10:1 reduction and a 65 mm inner diameter, it eliminates vignetting, making it ideal for large sensor cameras.
• Hybrid Viewfinder Shoe: Enhances versatility by supporting various viewfinder holders.
• Polystrehl Value of 0.97: Near-perfect correction of colour and spherical aberrations.

Explore Scientific Product Lines

Explore Scientific offers premium Triplet ED APO Refractors across three distinct product lines:

• Essential Line: Features HOYA FCD-1 Glass lenses, aluminium tube, and a 2.0" Rack and Pinion Focuser.
• Professional Line: Upgraded with HOYA FCD-100 Glass lenses, aluminium or carbon fibre tubes, and a 2.5" HEXAFOC Focuser.
• High-End Line: Equipped with OHARA FPL-53 Glass lenses, carbon fibre tubes, and a 3.0" Feather-Touch Focuser.

Specifications

• Aperture: 127 mm
• Focal Length: 952 mm
• Focal Ratio: f/7.5
• Optical Design: Triple-lens apochromat with FCD-100 glass
• Weight: 7.7 kg
• Back Focus: 150 mm above a 2" adaptor
• Features: Hybrid viewfinder shoe

Included in the Package

• Optical tube with a retractable dew shield
• 2.5" HEX focuser with 1:10 gear reduction
• 2" Star Diagonal with 99% reflectivity
• Tube rings, dovetail plate, and handle
• Dust caps for the lens and focuser
• Hybrid viewfinder shoe

Suitable Applications

The Explore Scientific FCD-100 Alu Hex is ideal for deep sky, lunar, and planetary observation and photography, catering to advanced amateurs, specialists, researchers, and visual enthusiasts alike.