BAADER BESSEL R PHOTOMETRIC FILTER Size:65x65mm Optional storm protection kits are

Optional storm protection kits are available separately

Pleiades 111 WIFD OTA

The biggest piece has a weigth of only 15 kg – 33 lbs

The external layer is highly reflective (it is similar to Mylar) and blocks 99% of the sun's heat keeping your telescope cool

It allows you to control antenna position and acquisition parameters of the receiver

BAADER BESSEL R PHOTOMETRIC FILTER Size:65x65mm Optional storm protection kits areThe Baader Bessel R filter is a precision grade photometric bandpass filter with a central wavelength window between 550 800nm. The UBVRI system was developed in the 1950s for the 0. 9m McDonald Observatory telescope and initially consisted of a Johnson UBV filter set, later extended by Cousins to include the R and I filters for the red region of the spectrum. The filters of the extended UBVRI system according to Johnson and Cousins include: U