[Utah-astronomy] Eyepiece

Question for anyone: What would be the optimal use for a Celestron 40mm E-lux 2” eyepiece? It’s an air-spaced fully multicoated 3-element design with a 50 degree FOV. While I’ve used it, I’m not sure that other eyepieces in my collection don’t serve me better. I always (well, nearly always) appreciate advice. Kim