Astroprices

115 mm f/5.5 FPL-53 ED APO Refractor - 3" HEX Focuser - FPL53-115CF-01

Explore Scientific

From $3,499.99

2 stores

In stock

The Explore Scientific 115mm f/5.5 FPL-53 ED APO Refractor is an apochromatic air-spaced triplet refractor featuring premium Ohara FPL-53 extra-low dispersion glass for exceptional optical performance with minimal chromatic aberration. With a fast f/5.5 focal ratio and carbon fiber construction, this portable instrument balances excellent light-gathering capability with reduced weight, making it ideal for both visual observation and astrophotography of lunar, planetary, and deep-sky objects. The included 3" hexagonal focuser can support up to 10 pounds of equipment, while the diffraction-limited optical design and enhanced multi-layer coatings deliver brilliant high-contrast images across the entire field of view.

Specifications

Aperture 115 mm
Focal length 632 mm
Focal ratio f/5.5
Optical design Air-spaced Apochromatic Triplet
Glass Type Ohara FPL-53 ED Glass
Resolution 0.9″
Limiting Magnitude 13
Focuser 3 inch Hexagonal
Focuser Load Capacity 10 lb
Tube Length with Dew Shield 660 mm
Tube Length without Dew Shield 603 mm
Weight 6.8 lb
Dovetail Mount Vixen
Diagonal 2 inch, 99% Reflective

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