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Explore Scientific ED APO 127mm f/7.5 Essential w Hex-Focus


Quick Overview

The Explore Scientific ED APO 127mm f/7.5 Essential w Hex-Focus features Explore Scientific's new Hex Focus 2.5" 10.1 Dual Speed low profile rack and pinion focuser with hexagonal geometry, ensuring no focuser sag under load - no matter what orientiation the telescope is pointed. The Explore Scientific 127mm Triplet Apochromatic lens design delivers clean, crisp, colour-free views and images, via its carefully matched optical system featuring three lenses and two air gaps, which contains a optimal combination of the Hoya-made FCD-01 glass with two specially-selected partner glasses.
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Building on the success of the original Explore Scientific 127 Triplet Apo and the Carbon Fibre versions, Explore Scientific now release their best ever value 5-inch telescope: the Explore Scientific ED APO 127mm f/7.5 Essential with Hex-Focuser.

The Essential series are "bare bones" versions of the Explore Scientific Apos - they still have the exquisite optics of the original triplets, including Japanese Hoya FCD1 Dense Fluorcrown and Explore's Special EMD™ enhanced multi-layer coatings on every optical surface for the utmost in colour-free performance and still have the high strength aluminium tubes, internal baffling systems and hyper-blackened edges for the ultimate in contrast. However, the Essential Series Triplets leave it up to you to provide Finders and other accessories - passing on the savings to you as a result.

The Explore Scientific ED APO 127mm f/7.5 Essential sports the new Hex-Focuser Rack and Pinion Focusers from Explore, featuring a hexagonal cross section to support a larger loads without the potential for "focuser sag" - and a 10:1 dual speed focus control as standard. In addition to this the optical tube assembly comes with Vixen-profile mounting bar and rings, featuring a handle with camera mounting rail.


Aperture: 127mm

Focal length: 952mm

Net weight 7.7kg

Standard accessories:

Optical tube assembly with rings

Handle with camera mounting feature

Hex-Focuser with 10:1 reduction

The Explore ED127 Essential Edition telescope comes with a white aluminum tube with black accents.

Explore Scientific Air-Spaced Apochromatic Triplets have true APO optic and are diffraction limited at .25PV or better

Genuine ED (FCD-01) glass from Hoya Japan is used on all ED APO Triplets at Explore, for superb quality and light throughput

Enhanced Multi-Layer Coatings (EMD) are deposited on optical elements to boost contrast and eliminate light scatter; and contrast is further enhanced with the installation of matte black knife-edge baffles in the optical tube assembly.

While refractors seldom require additional collimation after initial factory adjustment, the lens cell design allows for consumer collimation. Sending your ED127 Triplet off to the factory is always an option, but is not required.

127mm models come with a heavy-duty 2.5" Hex-Focus focuser

Dedicated Field Flattener available as an optional extra in both 2 and 3-inch options.

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