The Mini Fine Sun Sensor (Mini-FSS) from Bradford Space is a Sun Sensor with Accuracy ±0.2 to 1.5 Degree, Sun Field of View 128 x 128 Degree(Nominal FOV), 172 x 172 Degree(Unobstructed FOV (To Be Free Of Straylight Sources), Mass 50 g, Operating Temperature -50 to 85 Degree C. Tags: Analog Sun Sensor. More details for Mini Fine Sun Sensor (Mini-FSS) can be seen below.