I think the P35 would give quite a large exit pupil of 6.6mm whereas the N31 would be about 5.8mm .
The True Field with the P35 is 4.1 degrees whereas the N31 is wider at 4.4
The N31T5 is my most used eyepiece in the dob at around 83x it is my finder eyepiece, (TFoV 1.0º)
If you want to try one I can post mine up or the Ethos 21 .......
Last edited by Kunama; 27-02-2017 at 10:23 PM.
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