Explore Scientific 127mm Air-Spaced ED APO f/7.5 Triplet Refracting OTA Telescope

The Explore Scientific 127mm f/7.5 ED APO Refractor OTA is a premier astrophotography and visual astronomy instrument designed for those seeking elite optical performance. Featuring FCD1 (Dense Fluor Crown) ED glass by Hoya Japan, this triplet design ensures exceptional color correction and sharpness, minimizing chromatic aberration across the visible spectrum.

Engineered with air-spaced optics, EMD-enhanced multilayer coatings, and multiple internal baffles, the ED127 delivers breathtaking contrast and edge-to-edge clarity. The aluminum and stainless steel tube is rugged yet refined, with a rotating rack and pinion focuser and an adjustable mounting system that supports Vixen-style dovetails and standard tripod plates. With true apochromatic imaging quality, the ED127 is ideal for capturing stunning astrophotos and detailed celestial views.

Optical Design	Triplet Refractor
Aperture	127 mm (5")
Focal Length	952 mm
Focal Ratio	f/7.5
Dawes Limit	0.9 arcseconds
Dew Shield	Included
Diagonal	2" Star Diagonal
Focuser Style	Rack & Pinion
OTA Outer Diameter	130.4 mm
OTA Length	34" (849 mm)
OTA Weight	22 lbs
Tube Diameter	130 mm
Tube Weight	18 lbs
Warranty	Lifetime Warranty

• Explore Scientific ED127mm Optical Tube Assembly
• 2" Enhanced Star Diagonal
• Dew Shield
• Cradle Rings with Integrated Carry Handle
• Precision Rack & Pinion Focuser
• Vixen-Style Dovetail Mounting Plate