Many eyepieces have adjustable height eyeguards that permit comfortable viewing with or without eyeglasses. Other eyepieces may have long eye relief that is comfortable for eyeglass wearers but is uncomfortably long for some users without eyeglasses. That s when the Eyeguard Extender from Tele Vue comes into the view. It raises the eyeguard position by 8mm thereby shortening the eye relief. The Eyeguard Extender includes a rubber eyeguard and an eyepiece cap. Multiple Extenders can be combined one on top of the other. For example 2 units would add 16mm to the height of the eyeguard. The Eyeguard Extender is black anodized aluminum with anti-reflection threads.
The Eyeguard Extender fits all Ethos eyepieces, as well as Nagler Type-5 31 and 26mm, Panoptic 41, 35 and 27mm, and PlA¶ssl 55, 40 and 32mm eyepieces.
There is an inner-ring that holds the rubber eyeguard and an outer ring that slips over the top of the eyepiece. The two rings thread together and clamp onto the eyepiece. To attach the Eyeguard Extender to your telescope, start with the inner-ring backed off from fully tight, then take off the eyepiece s existing rubber eyeguard, place the Eyeguard Extender in its place and screw-down the inner ring until the Eyeguard does not slip off.
Shortens long eye relief for more comfortable viewing for non-eyeglass wearers
For anyone who is more comfortable with a shorter eye relief
Stackable to increase the eyeguard position by 8 mm per Extender
Constructed of black anodized aluminum
Anti-reflection threads
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