SVBONY Telescope Accessories Telescope Focal Reducer Metal Black 0.5X M28.5X0.6 (Upgraded Version)

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★★★★★★★★★★★ Compatible with 1.25 (31.7 mm) eyepieces. Thread interface: M28.5X0.6 pitch Focal reducer: 0.5X Material: Metal Lens material: Optical glass A focal reducer is a type of optical system that reduces the focal length of a telescope by 0.5 times. The focal reducer lens focuses light, making the image appear one level brighter. The more light the optical lens can emit, the brighter the image will appear. Detailed situation: Focal reducer: 0.5X Thread interface: M28.5X0.6 pitch Material: Metal Lens material: Optical glass Lens coating: Bradband coating Features: Reduce the focal length ratio, expand the viewing range Optical lens can emit more light Due to the focusing effect of focal reducer lens, the image appears brighter Package included: 1 x 0.5X Focal Reducer for 1.25 Telescope