Description
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Specialist high quality Everwin Violet (Dark Purple) Filter
Specifically designed for increased performance in observation using all good quality telescopes
Mars – detect high clouds and haze over the Martian polar caps
Mercury – detect faint features
Saturn – study ring structure
Venus – increase contrast of dark shading in upper Venusian clouds
Comets – observe brighter comets
This is a high quality 1.25 inch telescope filter designed to thread directly to all standard 1.25 inch eyepieces and also 1.25 inch star diagonals



