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We did some modification on the old ACL200
makes the effect of the filter clear: The combination of very good blocking of all unwanted light from UV up to IR and the narrow bandwidth of the filters reduces all unwanted signal on the sensor
The ZWO Temperature Probe is a valuable accessory for astrophotographers who want to ensure precise temperature monitoring of their telescope during imaging sessions
resulting in an impressive f/5
for imaging birds
Baader AstroSolar® ECO-size Safety Film 5.0 - Solar Observation Film pattern We did some modification onAstroSolar ECO size Safety Film 5. 0 For solar observation and photography at high magnification. Size: approx. 140 x 155 mm, includes DIY instructions and cutting template. This film is telescope quality with an Optical Density (OD) of 5. 0, making it safe for visual solar observation with additional optics and imaging. This high precision film consistently achieves strehl ratios of 94 96% in interferometric tests, performing optically similar to a
