Astromania 1.25" 4-Ele-ments 5x Barlow Lens Fully Multi-Coated Optics The Astromania 1.25" 4-Ele-ments 5x Barlow Lens offers an ultra-short design and apochromatic correction. You can combine the Barlow lens with an eyepiece or a camera. Observe objects with remarkable sharpness and excellent contrast. And you will immediately notice the lack of any significant chromatic aberration.
Very Short Construction Use this Barlow where in particular where you need a shorter length. Sometimes the total accessory length with eyepiece, adapter or camera can be rather long. The optical path of Astromania 1.25" 4-Ele-ments 5x Barlow Lens is only 59mm.
Easy To Use Simply insert the 1.25" 4-Ele-ments 5x Barlow Lens into your telescope's focuser or diagonal, and then insert any 1.25" eyepiece into the barlow lens, gently securing it in place with the knurled set screw grips. Then, adjust the telescope's focus wheels to enjoy double the magnification of the eyepiece used.
Specification:
• Magnification factor: 5
• Connection (to the telescope): 1.25"
• Connection ( to eyepiece): 1.25"
• Coating of optical system: multiple
• Number of lenses: 4
• Ring clamp: yes
• Filter thread: yes
• Series: advanced
• Achromatic Barlow Lens & 4-Ele-ment Barlow
The combination of four lens Ele-ments means the Astromania 1.25" 4-Ele-ments 5x Barlow Lens provides particularly clear and sharp images. The big plus is that the colour fringes usually seen with achromatic lenses are completely absent with this lens.
• Multi-coating
The four-Ele-ment design provides excellent colour correction and ensures pin-sharp, high-brilliance images of the night sky.
A Compression Ring: A built-in compression ring grips your eyepieces over a surface. This type of clamping provides your eyepieces with optimum protection from scratches or deep grooves.
All Metal Material: Made from Aluminium alloy that make the barlow lens durable and not deform, it also adds luster to the product.
Protective Dust Cap: Two dust covers, it prevent the tube of eyepiece being scratched and convenient to carry and storage, can also prevent dust from entering.
The Astromania High-Power 5x 4-Element Barlow Lens quintuples the power of any 1.25" telescope eyepiece.
Featuring a high-quality 4-element lens design, the Astromania High-Power 5x Barlow will render exquisite images without introducing additional chromatic abberation while providing a monstrous 5x power boost.
The Barlow lens elements are fully multi-coated with anti-reflection coatings to ensure maximum light throughput for bright, crisp views.
The lenses are also edge-blackened to further maximize contrast and sharpness.
The 1.25 barrel is internally threaded for use with Astromania 1.25" eyepiece and imaging filters. The inside of the 5x High-Power Barlow's barrel is also glare threaded to help prevent internal reflections.