GSO 1.25" 2.5x Apochromatic Barlow
- 2.5x fully apochromatic Barlow for any 1.25" eyepieces
- Three-element, fully-multicoated ED lens
- Precision-machined aluminum barrel with high-quality black-anodized finish and knurled ring to aid in handling
The 2.5x Barlow is constructed with triplet design of 3-elements ED lens to eliminate the blue, purple and red chromatic aberration, and delivers sharp imaging in 2.5x magnification. Its inner a brass compression ring is designed to avoid any scratch when clamping equipment tightly. The inside surface of this tube is black-matted helps to enhance imaging contrast and absorb any disturbing light.
Practically, 2.5x is a pretty good balance between optical performance and usable magnification. My advice is that you should avoid to choose any Barlow higher than 2.5x.
Shipping & Discounts: shipping & discounts is available if you order multiple quantities/items.
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