Hi Warren,
Ain't binos amazing! I always take them with me, dark site or from home in Sydney.
Eyepieces, well...
Nothing will really give the same experience in a scope as binos. Both are different beasts. Closest thing will be wide field eyepieces in long focal lengths.
First, what size EPs does your scope take. From what I've been able to gather from the net on the Starfinder 10" it has a 1.25" focuser. Thing is really good EPs giving a really wide field of view come in 2" configuration in long focal lengths, eg 28mm, 35mm or longer. Very hard to find anything wider than 52 degrees in 1.25" EPs.
Upgrading the focuser is easy & inexpensive (see Andrews web site, GSO), but good EPs are not cheap of your fast, f/4.5, scope. My dob is of the same focal ratio. Still, some options are available, allowing for some margin of distortion. I bought a GSO 30mm Superview to get me by until I remodel my scope. It is good, very good for its price. It does show distortion on the outer edge, but I've seen greater distortion in more expensive EPs of the same focal length in my scope!
The EP on my wish list is a TMB Paragon 40mm. I had a chance to use on of these last month, & now I want one. $300 new though. The technicalities of its suitablity should not have shown such a good image, but it did. Beats me why it was so good.
This is just my short rant. EP suitability is a real learning curve. It can be very involved. Take your time, & enjoy your binos.
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