In diameter are pierced, their object being to cut off all but the They consist of black discsĬovering the eye, through which small holes from. The reason it is not noticed with a perfect light from the rear is probablyĭue to the fact of less light entering the eye obliquely.įor the same reason Orthoptic discs, or spectacles, assist in obtainingĪ fine 'definition' of the sight. The sights and the bull's-eye at the same time is the cause of the blur. On a brightĮvening with the sun behind one it almost disappears, but it is present

To most rifle shots, especially in certain conditions of light. This occurs with all, and is very troublesome Appropriate adjustment can nowadays quite His comment on alignment of the aperture with the sights was really only Greener comments on the orthoptic, in this case with a six-hole apertureĭisc. The following excerpt from 'SHARPSHOOTING for WAR and DEFENCE' by Two images of such home-brewed arrangements are shown in the Used a plain disc quite successfully for several years now. It matt black, but other adaptations can be easily achieved. My own in about half an hour by drilling a small aluminium disc and painting Probably couldn't see the target without them! Give them a go. Our natural desire to avoid overdoing shooting paraphernalia is laudable,īut some of us now using these traditional and historically acceptable devices Lens, will make such a difference that you will wonder why you never tried A simple thin 1' diameter disc drilled with aboutĪ 1mm hole and either used on its own, or placed in front of your shooting The telephone, reports of difficulties in obtaining a decent sight picture When speaking to historic rifle shooters at fairs, meetings and over Shooting over open sights can be a very different matter. Have a suitable pair of 'specs' with a lens of your correct prescription. In which aperture sights can be used, present few problems as long as you Modern target rifle disciplines, along with historic target disciplines With a rifle that is already fitted with an aperture rear sight. It is NOT suitable (nor permissible) for use Over OPEN SIGHTS? If you still want to try, then read on. Or Martini Henry/Enfield conversion over open sights in Service Class competitionsįull-bore shooting as it does for small-boreĭid you think you could no longer be competitive If you have not done so already, this is really worth a try An adjustable pistol type iris may also be used, if suchĬan be located. Put simply, this is a small disk withĪn hole of about 1mm in it, fitted behind, or even in front of, your shooting It can be possible to become competitive again by dint of theĮmployment of an Orthoptic aperture. We occasionally receive comment from those shooting that they no longerĮnter the Service competitions using open sights because of a deteriorating ' SEEING YOUR WAY TO SHOOT AS THE YEARS ADVANCE'

How to use aperture sights