Pasivni nišan PN 5x80

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Ne znam da li spada u ove nisane ali jeste neka nisanska sprava..Cesto sam vidjao u minobackoj postavi da imaju onaj dvogled veliki sa stopama na V .Ne mogu sad da nadjem sliku sigurno je periskop? Koja mu je svrha?

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ovde je rec o nekom obliku cvs ili pak iskvarenom vidu gde pomazu naocare.blago ispiranje vodom moze,vestacke suze ok.sampon u oci nikako.10x10 ::Ako si buljio danima u nisan onda je moguce da imas posledice. Svaki napor oka ga ostecuje. Neznam dali ti je poznato ali vecina sportskih strelaca ima ostecen vid zbog velikog naprezana oka.

Lek je umivanje kosili samponom i ukapavane vestackih suza, pomaze i ispiranje cajemo d kamilice. Izvadis kesicu iz caja i stavis na oko ostaviis da stoji malo ko obloga. Ako nista ne pomogne oda kod lekara po neke kapi jer moze biti i neka bakteriska upala koja se brzo sanira.

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Gorski vuk ::Ne znam da li spada u ove nisane ali jeste neka nisanska sprava..Cesto sam vidjao u minobackoj postavi da imaju onaj dvogled veliki sa stopama na V .Ne mogu sad da nadjem sliku sigurno je periskop? Koja mu je svrha?

Osmatranje bojišta i uočavanje ciljeva




Očito omogučava i osmatranje iz zaklona.

Imali smo ga i na granici, pa smo njime osmatrali Madjarsku. Nosio se u velikoj nezgrapnoj kutiji na ledjima a (valjda nezvanični) naziv mu je bio "civilka" ?!?.


To na fotki nisam ja.

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To mi vise lici na daljinomer koji se koristio pre pojave laserskih daljinomera.

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Georgius ::To mi vise lici na daljinomer koji se koristio pre pojave laserskih daljinomera.

Artiljerijski daljinomer vidi dole.

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Po kom sistemu je funkcionisao taj artiljerijski daljinomjer?

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Nadam se, da če to pomoči:

Citat:Optical rangefinders use the principle of parallax. Two lenses focus on the same object from different ends of the rangefinder, then both images are superimposed on each other by means of a focusing knob. The knob is calibrated with the range.

Since parallax is greatest (most measurable) at short ranges, optical rangefinders are most accurate at short ranges. Expect an accuracy of +,- 5 yds at ranges of less than 100 yds, but on the order of 50 yds at 500 yds. Much of the performance of these devices will depend on how precisely the operator can focus.

Citat:
The formula for the range is the tangent of the measured-angle, multipled by the length of the base of a right-triangle.

The wider the rangefinder the more accurate the range-measurements will be because of the fineness of the angular-measurement possible.

The rangefinder would thus be oriented perpendicular to your target, and the lenses adjusted so that the images line-up, focus, or converge in the viewfinder, and that is an angle that is determined by the range to the target.

Rangefinders are very important for Flak because it might take 25 seconds for the shell to reach the target's altitude and the fuse has to be timed accordingly, depending on the height and distance of the incoming aircraft.

Also, rangefinders are used for machine guns and anti-tank guns. If you know the range to the target, you can calculate how high you will have to aim to allow for the bullet to drop by gravity in the time that it takes to get to the target, given the specific ballistics (velocity and aerodynamics) of the projectile.

For example, if your target is 1500 meters, you can set the elevation for your MG 42 machine gun's aiming-point from its mount to impact perfectly inside an oval-shaped zone. Without a rangefinder, you would have to guess from experience or "walk" your machine gun's aiming-point into the target-area using tracers (preferably before the battle).

Machine gun and rifle bullets can easily impact as far as three kilometers from the firing-point. In static warfare especially, stray bullets cause a lot of casualties in "rear" areas.




LPB

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O svemu po malu pa i o nišanima. Posetite 4shared.com/dir/LkdC3DcD/Domaca.html i možda nađete nešto što vas interesuje.

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Hvala, Matorko!

2Frenky: ovo nije Zrak PN5x80 od G3A3, a Oldelft HV5x80 AT Mk4!

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Misirac ::



opet drzi levu ruku na okviru, kakva je to obuka... da li dolazi do zastoja ili ne?