We don’t know, all I know is that it flattens the field to a image sensor, this is the SkyWatcher Field Flattener which is matched to the Esprit 120ED Pro, the main sensor is a CMOS ASI1600MM Pro in my case.
OK, Well the Esprit 120ED Pro has finally arrived. So a few unboxing photos, which I will follow up with a video comparing the upgrade from the Achromatic StarTravel 120T to this new Apochromatic scope, in particular testing out the Sesto Senso 2 on the Esprit, and comparing it with the DC Motor on the StarTravel.
I am told that there should not be any difference between the ED100 and the ED120 focusers, they are the same model, the only difference is the sticker, which I will either remove, or it might drop off with dew in time.
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