- Products Features
These 3-element Kellners offer amateurs an excellent alternative to expensive oculars. The lenses are carefully polished from quality optical glass to ensure sharpness. All five kellners are fully coated with anti-reflection material to maximize light transmission and improve image contrast. Focus length available at 6.3mm, 10mm, 12.5mm, 17mm, 25mm. Apparent Field of View is 50 degrees.
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