Hi,
I think you have this a little wrong.
While each of those two on their own are good eyepieces there is no point buying a 2" 2X Powermate which is itself an excellent barlow.
The 27mm Panoptic in a 2X barlow gives 13.5mm which is almost the same as your 14mm Radian, so "something" just became superfluos.
When going with a high quality barlow the idea is to buy eyepiece focal lengths so there is no doubling up.
If you wish to stick with Televue products, I would go with the 2" X Powermate which barlowed gives you 13.5mm. A 10mm Radian which barlowed gives you a 5mm eyepiece. I am sure you would be much happier with those focal lengths.
Note!! For a bit more money the 10mm Pentax XW is a better eyepiece in just about every respect than the 10mm Radian, which is itself an excellent eyepiece.
Cheers,
John B
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