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Murer et Duroni UM0 |
 Version française |
Manufactured or assembled in Italy from (Circa) 1914 to (After) 1914.
Index of rarity in France: Infrequent (among non-specialized garage sales)
Inventory number: 13852
See the complete technical specifications
Chronology of cameras Murer et Duroni
Le Murer et Duroni UM0 est un minuscule klapp en métal gainé de cuir. Il permet d'obtenir des négatifs 4,5 x 6 cm. Le diaphragme, gradué de 8 à 22, est un disque percé de trous de diamètres différents. Les vitesses vont de 1/25 à 1/100 avec poses B et T (il diffère en cela du UF0 qui n'a que I et T). Il n'y a pas de réglage des distances.
Le cache-objectif est solidaire du viseur réticulé coulissant, ce qui est commode. L'oculaire arrière du viseur est pliant. Il est fixé sur une plaque pivotante permettant de changer le dos . Ce dernier peut recevoir des plaques et probablement des film-packs. Le dépoli est muni d'un volet pare-soleil. Le déclencheur est une minuscule tige sur le côté droit derrière la façade.
Il s'agit a priori du modèle dans la finition Standard.
At Murer and Duroni, Klapp cameras are divided into two major families: those with a focal plane shutter and those with a central shutter. They are then classified using a nomenclature consisting of 2 to 4 letters or numbers.
Focal plane shutter:
| First letter | Second letter | Third and fourth letter | |||||||
| D | Fixed front face | U | 4,5 x 6 | 2 | Anastigmat | Murer | f/7 | ||
| F | Platine avant à décentrement | N | 6,5 x 9 ( O from 1914) | M | Anastigmat | Murer | f/6,5 | ||
| L | 9 x 12 ( E from 1920) | T | Anastigmat | Murer | f/3,6 | ||||
| C | 9 x 14 | E | Anastigmat | Murer | f/5,5 | ||||
| K | 10 x 15 | R | Anastigmat | Murer | f/4,5 | ||||
| H | 13 x 18 | 0 | Aplanat | Murer | f/8 | ||||
| W | 45 x 107 mm (Stereo) | Si | Anastigmat | Koristka Sideran | f/4,5 | ||||
| S | 6 x 13 (Stereo) | Ke | Anastigmat | Koristka Equator | f/5,5 | ||||
| Ka | Anastigmat | Koristka Meridian | f/6,8 | ||||||
| K | Anastigmat | Koristka Doppio Gauss | f/5,5 | ||||||
| 3 | Anastigmat | Goerz Dagor | f/6,8 | ||||||
| 4 | Anastigmat | Sintor | f/6,8 | ||||||
| B | Anastigmat | Berthiot Olor | f/5,7 | ||||||
| S | Anastigmat | Suter | f/5 | ||||||
| L | Anastigmat | Roussel | f/4,5 | ||||||
| Z | Anastigmat | Zeiss Iena | f/4,5 | ||||||
| 1 | Anastigmat | Zeiss Koristka Tessar | f/6,3 | ||||||
| 5 | Anastigmat | Primus | f/7 | ||||||
Central shutter:
| First letter | Second letter | Third letter or number | |||||
| U | 4,5 x 6 | L | Plate (simple) | 0 | Aplanat | Murer | f/8 |
| N | 6,5 x 9 | F | Film-pack | 2 | Anastigmat | Murer | f/6,8 |
| G | 9 x 12 | G | Film | 3 | Double anastigmat | Goerz Dagor | f/6,8 |
| W | 4,5 x 10,7 (Stereo) | P | Plate and film-pack (premium) | M | Anastigmat | Murer | f/6,5 |
| S | 6 x 13 (Stereo) | T | Plate (economical) | S | Anastigmat | Suter | f/6,8 |
| I | 6 x 13 panoramique | M | Plate (metal) | ||||
| A | 4 x 5 | ||||||
| O | 4 x 6,5 | ||||||
Klapp cameras with a central shutter can come in three different finishes: economical, standard, or premium.
In the "economical" version, the body is made of alder wood and covered with imitation leather. The viewfinder is integrated into the front plate. The shutter offers only P (Time) and I (Instant) settings. The shutter is of the sector type. The metallic parts are oxidized. Its lens is achromatic. There is only one model of this type, which is a UT.
In the "standard" version, the body is made of aluminum and brass covered with morocco leather.
In the "premium" version, the body is made of aluminum and covered with morocco leather. A mechanism allows for moving the front plate forward to focus from 1.5 meters to infinity. The viewfinder is mounted on the sliding lens cover. The shutter speed can be adjusted to 1/25, 1/50, and 1/100.
(source Malavolti)
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