Imaging setup (Takahashi FS128 F/8.1 + Canon EOS 350D + Baader Herschel Prism). © Pedro Ré. Baader Herschel Prism (visual and photo setup) DIGITAL IMAGES OF THE SUN (2009) Click on images for full-sized view. Sun (20090705)- Takahashi FS128 F/8.1 + Canon EOS 350D + Baader Herschel Prism. Sun (20090705). Takahashi FS128 F/8.1 + Lumenera SKYnyx2-0 Sun (20091219)- Takahashi FS128 F/8.1 + Canon EOS 350D + Baader Herschel Prism.