Celestron 2.5x Luminos 2" Barlow Lens
The Celestron 2.5x Luminos Barlow Lens increases the magnification of any 2” or 1.25” eyepiece by 2.5 times. Featuring premium 4-element apochromatic fully multi-coated optics, it produces a flat field yielding high-contrast, true-color images free of extraneous chromatic aberration.
【Optics & Structural Highlights】
4-Element Apochromatic Optics: Premium fully multi-coated 4-element design ensures optimum light transmission, exceptional contrast, and edge-to-edge sharpness.
Dual Barrel Compatibility: Comes with a matching 2” to 1.25” adapter, allowing versatile use with both 2” and 1.25” eyepieces.
Brass Compression Ring: Holds eyepieces gently yet firmly via oversized thumbscrews, preventing scratches on eyepiece barrels and allowing easy adjustment even when wearing gloves.
Threaded for 2" Filters: The 2” insert barrel features internal threads to accept standard 2” filters, allowing you to swap eyepieces without removing and reattaching the filter each time.
Durable Construction: Crafted with a hard-anodized aluminum housing matching the Celestron Luminos eyepiece line, featuring a centralized rubber grip for secure handling in cold conditions.
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Specifications
| Parameter | Details |
| Barrel Size | 2" (51mm) with 1.25" Adapter |
| Magnification | 2.5x |
| Optical Design | 4 Elements in 4 Groups (Apochromatic) |
| Optical Coatings | Fully Multi-Coated |
| Clear Aperture | 28mm (1.1") |
| Accepts Eyepieces | 1.25" and 2" |
| Filter Threads | Yes, standard 2" thread |
| Dimensions | 93mm x 64mm x 64mm (3.66" x 2.52" x 2.52") |
| Weight | 307g (10.83 oz) |
| Standard Package Items | Celestron 2.5x Luminos 2" Barlow Lens, 2" to 1.25" Adapter |
