A breech-lock is a system for mounting camera lenses to camera bodies. The lens is attached to the camera by means of a rotating ring which is used to...

Locked breech is the design of a breech-reloading firearm's action. This is important in understanding how a self-reloading firearm works. In the simplest...

A breechblock (or breech block) is the part of the firearm action that closes the breech of a breech loading weapon (whether small arms or artillery) before...

The Blish lock is a breech locking mechanism designed by John Bell Blish based upon his assumption that under extreme pressures, certain dissimilar metals...

The Canon FD 35mm f/2.0 lens was manufactured by Canon for the FD lens mount. It was sold in several variations after it was introduced in 1971, and was...

into a slot behind the powder chamber and screwing the breech screw tightly against the block to lock it in place. A degree of obturation was achieved via...

lens mount may be a screw-threaded type, a bayonet-type, or a breech-lock (friction lock) type. Modern still camera lens mounts are of the bayonet type...

The Triple Action Thunder is a Breech-loading, single shot handgun designed to fire the .50 BMG cartridge. It was developed by Triple Action LLC, an FFL...

lens mount is a breech-lock mount, which is a variation of the common triple-flanged bayonet attachment. The advantage of the breech-lock over the bayonet...

The Welin breech block was a revolutionary stepped, interrupted thread design for locking artillery breeches, invented by Axel Welin in 1889 or 1890....

is a brand of polymer-framed, short-recoil-operated, striker-fired, locked-breech semi-automatic pistols designed and produced by Austrian manufacturer...

M1975 - used the horizontal sliding wedge breech lock. M1977 - used the vertical sliding wedge breech lock. M2002 - modernized version of M1977 with a...

Canon's first single lens reflex (SLR) camera. The mount employed a "breech lock" system to attach the lens to the camera body. The R mount was discontinued...

breech baby. Due to their higher than average rate of possible complications for the baby, breech births are generally considered higher risk. Breech...

weight of the bullet, delay opening of the breech until the bullet has left the barrel. A few locked breech designs use a form of blowback (example: primer...

muzzle-loading and early breech-loading firearms, as modern firearms uniformly fire by use of a firing pin to strike the rear of a cartridge. Side-lock refers to the...

1990: RB67 Pro-SD Production 1970-2010 Lens Lens mount Custom Mamiya breech-lock bayonet mount Sensor/medium Recording medium 120 film Focusing Focus...

Buttress thread forms, also known as sawtooth thread forms or breech-lock thread forms. are screw thread profiles with an asymmetric shape, having one...

1979, authored by Walter Ludwig). The Walther P5 is a recoil-operated, locked-breech, 9 mm semi-automatic pistol. It utilizes the same design principles...

locking ring for the breech lock mount at the base, while three models were produced as "New FD" lenses where the entire lens barrel rotated to lock the...

off breech with the powder and projectile manually loaded from the muzzle. Instead, the muzzleloader ignition mechanism is referred to as the lock (e.g...

returned into place and secured with a breech-lock. The first production models had leather piston and breech seals with a 4mm diameter transfer port...

1966 to 1992. The Six accepts lenses with the Pentacon Six mount, a breech-lock bayonet mount. The Praktisix was manufactured by Kamera Werkstätten (KW)...

sec shutter speed. Multiple exposures are possible in the M-mode. Mirror lock up is supported for long exposures and macro photography. The body has one...

an unprecedented success in the SLR market. The AE-1 has a Canon FD breech-lock lens mount and accepts any FD or New FD (FDn) lens. It is not compatible...

(L/26) and Bulgarian (L/28) were slightly different in respect of the breech lock while in other aspects they were identical. "Schneider-Canet 120mm 1897_Serbia"...

spring to hold the breech closed, these pistols use a heavier slide so they can use a softer recoil spring. When compared to breech-locking handguns of the...

successful, it was difficult and expensive to manufacture due to its breech-locking system. Additionally, the higher price put it in disadvantage against...

rounds that could lead to dangerous mishaps such as a barrel failure or breech explosion. Proper storage prevents both damage and the unauthorized use...

in the lock plate, and into the breech. The powder flowed directly through the breech into a cavity behind it in the case of cylinder breech guns, or...