Altair Lightwave 3x Flat Field Tele Extender Barlow - PREMIUMThese Premium Flat-Field Barlows have 4-element optics, giving a flatter field and more even illumination than conventional 1-2 element Barlows, and also allows for excellent colour correction.
Premium glass and top quality coatings ensure the ultimate in image contrast.
An ideal accessory for high power lunar, solar and planetary observation and imaging, the resulting images speak for themselves.
Threaded for 1.25" filters with a brass compression ring and rubber grip.
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