Calibrating optics and cameras for astrophotography requires dedicated instruments.

Sinai, together with important firms in the sector of semi-professional astronomy, designed an array of devices for calibrating telescopes and astrophotographical cameras. When needing a white picture for comparisons, it being for acquisition with traditional cameras or dicital cameras (CCDs), it is necessary to put a flat-field generator in front of the telescope. Sinai's devices for generating a flat lighting field come in three different diameters: 160mm, 210mm and 260mm.

The illuminators are powered at 12V and feature a handy trimmer on the back for switching the device on and tuning the brightness.

Using high-efficiency white LEDs and a diffusion point pattern specifically designed by our technicians, Sinai's flat-field illuminators grant an excellent lighting uniformity and a wide range of light intensity settings. This is particularly useful for using the illuminator with different models of astronomy cameras.