Love my aluminas - Leupold Alumina Flipback Objective Lens Covers

A very clever design by Leupold. While they may appear gimmicky they are not at all. A high quality design for protecting your glass by keeping snow, water, dirt or tree branches away from the glass. The flip up lens covers operate off a spring loaded design making them pop up quite well. They thread very well into the scope themselves which are pre threaded to accept the lens covers. You need to remove the standard rubber eye piece that comes with your Leupold scope before installing the lens cover but its an easy change over.

One caveat to the install is depending on how low you mount your scope to your barrel, it is best to install the lens covers BEFORE mounting your scope as you may not have enough clearance between the objective and barrel to screw the objective cover on.

I have a set on all my Weatherby's if that says anything. My only complaint about them (and this is nothing against design or quality of build) is they are not very friendly when walking through thick, spiderweb evergreen forest in bear country as the open lens covers are susceptible to damage. However, under MOST normal hunting conditions, this will not be a factor.

I highly recommend.