Com­pact Pris­matic

The ed­i­tor looks through some­thing dif­fer­ent from PAO

Air Gunner - - Scopes - www.shoot­ing­ Tel 01543 480361

When I see spe­cial forces sol­diers or po­lice firearm units on the tele­vi­sion th­ese days I of­ten look at the weapons they carry to see what’s new, and all too of­ten they’re car­ry­ing Colt M4 vari­ants. Th­ese tend to wear what ap­pear to be ul­tra-com­pact pris­matic scopes that de­liver su­pe­rior ac­cu­racy com­pared to open sights or red-dot units. The most well known of th­ese is the Tri­ji­con ACOG, a de­sign that has been copied by many other man­u­fac­tur­ers.

It’s a pris­matic sys­tem which, as the name tells us, uses a prism to make a much shorter length than the tra­di­tional lens sys­tem. It does have its re­stric­tions; mak­ing a vari­able mag­ni­fi­ca­tion ver­sion is dif­fi­cult, for ex­am­ple, so they tend to be like the one on test 4 x 32. Apart from be­ing very com­pact, the ben­e­fits are that they of­fer a wide field of view and can be made very rugged – both fea­tures mat­ter greatly in a com­bat sit­u­a­tion. They also of­ten come with a se­condary aim­ing sys­tem, which in this case is a set of open sights on the top. The think­ing be­hind this is that if your scope is dam­aged in a fight you’ll still be able to aim your shots, at short range at least.


The 4 x 32 Tri-Lume Pris­matic on test is just 5.5” long, but weighs 456 grammes, so is far from light. It’s clearly in­tended for mil­i­tarystyle ri­fles so uses the Weaver stan­dard base that has thumb-wheel fit­tings, so no tools are needed for in­stal­la­tion. To get the multi-aim-point ret­i­cle sharp in your vi­sion, you use the one con­ven­tional fea­ture, a ro­tat­ing col­lar on the eye­piece. The ret­i­cle is etched onto the prism mak­ing it un­break­able and the scope is rated for all air­guns and firearms, show­ing how con­fi­dent the man­u­fac­turer is about its strength.


The ret­i­cle can be il­lu­mi­nated red, green or blue, each at three lev­els of in­ten­sity. The pack­ag­ing re­ports that the scope is par­al­lax-free at 100 yards, rather than the usual 35 yards for airgun use. This sur­prised me be­cause I thought that pris­matic scopes were par­al­lax free at all dis­tances, but per­haps I’m wrong. On the sides of the ob­jec­tive bell there are short sec­tions of Weaver rail, pre­sum­ably to al­low lasers and torches to be added if they’re your thing.

The eye re­lief is much shorter than on a con­ven­tional scope and I couldn’t get this scope back far enough on my con­ven­tional sport­ing ri­fle, a Weihrauch HW110 to get the full sight pic­ture. This tells me that it will be im­por­tant to check its com­pat­i­bil­ity with your ri­fle be­fore you buy. This is cer­tainly a highly un­usual scope and one that I’m sure will ap­peal to those with mil­i­tary in­ter­ests.

The eye releif is very short so check com­pata­bil­ity be­fore you buy

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