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12.5mm Morpheus vs. 12.5mm DocterSaturday I loaned my 12.5mm Docter to a friend so he could compare it with his 12.5mm Morpheus. Sunday afternoon he brought the Docter back to me along with the 12.5mm Morpheus so I could compare the two for myself last night. I spent almost two hours exclusively going back and forth between these two eyepieces on deep sky objects in my SW120ED. These eyepieces give 72x in the 120ED. Overall, the 12.5mm Morpheus was extremely close to the Docter and in fact to see any differences in faintest stars detected or nebular details was a challenge. Edge performance: Docter is sharp to the edge and Morpheus has some falloff in last 10% of the field but not significant. Comfort: The Docter was a little easier to look through at first, but as time progressed this difference mostly disappeared. Handling: The Morpheus actually is a more balanced eyepiece than the Docter. There is a significant bulk of the weight in the bottom of the Docter. If you grab near the top of the eyepiece there is a risk of it slipping. The Docter really needs to be grabbed at the lower knurled ring. Presentation: Just as a general feel, the field of the 12.5mm Docter is very similar to the Morpheus eyepieces - different from the XW and Delos eyepieces. In both eyepieces the field is very natural and engaging and easy to take in Snap to focus: Not that the 12.5 Morpheus was hard to focus, but the Docter was easier to snap to sharpest focus. Sky background: Seemed the same level of blackness in both eyepieces - maybe a couple times a slight edge to the Docter, but maybe not. It was close. Sharpness of stars: In general I think the Docter gives a very slightly tighter star image - possibly due to the easier snap to focus. Observing targets: M27 - No difference in detectable details - maybe the light was a little richer in the Morpheus. M71 - At times seemed slightly grainier with barely resolved stars in the Docter. M17 - No detectable difference in details M11 - No detectable difference in details and resolved stars NGC 6712 - Maybe the light was a little richer in the Morpheus. M8 - Maybe the light was a little richer in the Morpheus. M27 again - Maybe the light was a little richer in the Morpheus. M13 - No clear difference in resolved stars. NGC 6819 - A times a slightly grainier texture from resolved stars in the Docter. Field stars in general - I spent quite a bit of time in the fields of the different objects above identifying barely detectable stars with averted vision. Generally these stars were slightly easier to detect in the Docter - but very slightly and it took work to be confident that was what I was seeing. In no case was a star detectable in one eyepiece undetectable in the other. Summary: Wow - these two eyepieces are close. I really love the 9mm and 6.5mm Morpheus for deep sky. So it was really nice to be able to see how closely the 12.5mm Morpheus is able to match the 12.5mm Docter. My observations seem to indicate that where faint stars are concerned the Docter may have a little easier pull whereas with nebular or unresolved light the Morpheus may actually give a little richer light. The presentation and comfort of these two eyepieces is very close. The Morpheus is basically like a slightly narrower Docter in that respect. Now - I do think for lunar observations the Docter is better than the Morpheus eyepieces. I have done comparisons with the 9mm and 6.5mm Morpheus and the Docter with a Barlow and I think in general it is easier to look through the Docter when observing the Moon and I think there is an extra level of crispness to the lunar image in those circumstances. Hopefully this week I can do a direct comparison between the 12.5mm Morpheus and the Docter on the Moon to see if that holds up. At any rate - for those of you that have been considering trying a Docter, the Morpheus makes a very acceptable lower cost substitute - at least for deep sky with my scope and the atmospheric conditions in my area.russell23
12,5 mm Morpheus OkularBin mit der Leistung und Handhabung dieses Okulars vollauf zufrieden, auch im Vergleich mit anderen Okularen vergleichbaren Typs.Gerd R.