Nikon EiC-16 converter lens Specifically optimized for Nikon NAV SWs, the EiC-16 provides a 1.6X tele-extension for the NAV SWs, with even more enhanced field curvature and astigmatism suppression. Can also be used with other makers eyepieces, 1.25" size.
the NIKON Barlow has a teflon clamping ring to lock securely the eyepieces. The 1.25" Barrel has a 1.25" Filterthread ( M28.5 x0.5), the barrel is starting with a diameter of 30.8 mm = 1.21 inch for a lenght of 21 mm, then it converts into 31.75 mm = 1.25" for a length of 24 mm. So if you will use this NIKON Barlowlens in a 1.25" stardiagonal, please make shure that the insert length is deep enough.
Delivery contains: Products specifications
| Barrel size / Filter thread | 1 1/4" with filterthread |
| Coating | Fully multicoated |
| Magnification | 1.6 x |
| Diameter | 54 mm |
| Height | 72 mm |
| Weight | 3.2 oz |
