The term orientalism is very broad here, i.e. not just politically in the sense of Edward Said's 'Orientalism'. Enthusiasm (e.g. oriental fashion) and fear (Turkish wars), scientific research and colonialism are ultimately different sides of the same coin.
The selection of images ranges from depictions of "Moors" and "Turks" on the steam engine house (mosque) in Potsdam and the pyramids created by Prince Pückler-Muskau in the park of Castle Branitz to the cigarette factory Yenidze in the form of a mosque in Dresden or to Karl May's Oriental collection in Radebeul.
Information regarding Europeans in Turkish Dress can be found here https://das-bild-des-orients.info//images/PDF/ITS_17_Gierlichs.pdf
