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Message: <blockquote data-quote="horukuru" data-source="post: 1691457" data-attributes="member: 10666">Thanks Pete :king: and I have used the DS27x and 13-40x MC II zoom eyepiece. The DS27x is good for normal viewing n digiscoping in opena area but not great for my eyes when I used it in the forest, quite dim and for digiscoping, I need to raised the ISO to 800 and only got 2/1000 shutter speed which is too slow.So my default eyepiece for ED50 is the zoom eyepiece and it is flexible for me while leading birding groups in the forest. I need to get another digiscoping adapter to suit this zoom eyepiece, therefore I can leave the DS30x on my ED82.But when I used zoom eyepiece for digiscoping while hand holding my camera, there is a vignetting on 13x but disappeared on 25x.</blockquote>