Description
- Orange 570nm longpass filter.
- Contrast enhancement for lunar and planetary observations at dusk.
- Improves the detection of dark areas on Mars and penetrates the hazy atmosphere of Mars.
- Shows more detail in the cloud bands of Jupiter and Saturn.
- Suited for daytime observations of the Moon, Mercury and Venus.
- Multi-coated for max contrast – no reflections, scatter or dimming.
- Planeoptically polished to within 30 seconds of arc for a sharp image at high magnification with non-ageing sealed coating edges.