Designed for astronomical telescopes, these 154mm dual separation lenses enhance clarity and image detail. Available in two focal lengths (750mm and 1200mm), offering versatility for various astronomical observations and DIY assembly projects. Features an optional multi-layer broadband coating (400-700nm) or a single layer of blue film for better light transmission and reduced glare. Precision engineered with a diameter tolerance of +0/-0.12mm and a center thickness tolerance of ±0.2mm for optimal performance. Ideal for use as objectives, star search targets and collimating targets, making them perfect for astronomy enthusiasts.
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