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Nikon Eyepieces
High Quality Wide-Field Eyepieces
If you need superior quality 52° eyepieces, then the Takahashi "LE"and "HI-LE" are your best choice! However, if you want high quality eyepieces with wider apparent field - for example 72°, then the NIKON "NAV" Series oculars are the best you can get! See specifications below:
NAV Series	Field of View	Eye Relief	Lens Design	Weight
NAV 5SW, 5mm	72°	18mm	6 group/8 el.	91 grams
NAV 7SW, 7mm	72°	17mm	6 group/8 el.	78 grams
NAV 10SW, 10mm	72°	19mm	6 group/8 el.	79 grams
NAV 14SW, 14mm	72°	18mm	5 group/7 el.	77.5 grams
NAV 17.5SW, 17.5mm	72°	26mm	5 group/8 el.	94.5 grams
Barlow Lens	Magnification
EiC-16	1.6x
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