but they have several uses and offer the possibility to achieve otherwise impossible results
The pattern subtly scatters light resulting in a picture with a clear focus and a soft gradation
The moderation of these beams is what makes the Hoya Sparkle filter unique
In conditions of extreme light intensity
you reveal the color
Hoya Starscape Light Pollution Filter for Astrophotography Available-sizes-mm:82mm - $174.90 but they have several usesDescription The Hoya Starscape, previously Intensifier, filter is designed to block light pollution from city lights, giving final night time images a more natural look. Astrophotographers, meteor chasers, star gazers, and night shooters will all benefit from owning this filter. The Starscape has many names for one main job; Starscapes, Intensifiers, Red Intensifiers, Ra54s, Light Pollution filters, and or "didymium" filters essentially reduce the