介绍几种机精镜靓的老国产旁轴相机（Introduce several kinds of old home-made side axis cameras with fine mirror）

介绍几种机精镜靓的老国产旁轴相机（Introduce several kinds of old home-made side axis cameras with fine mirror） 介绍几种机精镜靓的老国产旁轴相机(Introduce several kinds of old home-made side axis cameras with fine mirror) Introduce several kinds of old home-made side axis cameras with fine mirror In recent years, the world's major camera manufacturers, suddenly emerged in the production of high-grade 135 rangefinder (hereinafter referred to the camera) of the wind, while the camera is not cheap, but rapidly in the world caused echo. Today's cameras are much the same in terms of manufacturing accuracy and technology as they were in the past, but the basic structure has not changed: Mirror shutter, head up view. Recall nearly twenty years, SLR cameras sweeping the world, can not help but sigh, camera market is really: "thirty years Hedong, thirty years Hexi."". Rangefinder camera has its irreplaceable advantages, such as small size, high precision Jizhen lens shutter, especially those of large aperture, rangefinder camera lens full metal body, the quality of high precision machinery for several decades, which is mainly to ensure a high-quality image quality is a preemption. An exquisite handicraft. In the early 80s, China also produced several types of off-axis sight cameras, which the author considered a fine mirror. Its common features are: all metal production, exquisite body, large circle, four sets, six pieces, all glass high quality lens; most of them have automatic metering function. Do not belittle these characteristics, which is in recent years, high-end 135 axis camera is the most important feature. No matter from the use or collection of perspective, in terms of image quality or sense, those who use cameras nowadays many plastic making small aperture of the lens is never more. But nowadays, the price of all metal, big aperture, side axis cameras is getting more and more ridiculous, much higher than before. These cameras are lightweight, all metal structure, the weight is generally 450 grams, some varieties of appearance is very beautiful, such as the the Great Wall GZ35, the front of the lens is the outer ring plating polishing, elegant style, excellent quality of the lens, such as the Phoenix FG301 participated in West Germany Cologne "sixteen photographic audio-visual exhibition", Germany Foto QullE has tested the machine quality and appearance have reached the level of similar foreign products. The author found that the camera lens structure and overall appearance, very similar to some of the camera production in Japan at the beginning of 70s, for example, Minolta HIMATIC-E, HI-MATIC-F and so on, I had 821 Chinese (the flower is full manual mechanical shutter) and HI-MATIC-E (Minolta the machine is programmed shutter) together contrast, two camera appearance almost the same, look at the lens reflective spot in the light, almost as like as two peas! Zhuigenxunyuan, found such a camera lens structure, shape and I am from Leica CL camera. Leica CL camera launched in 1973, discontinued in 1977, this rangefinder camera has the advantages of small volume, the production of sophisticated, standard lens focal length of 40 mm, relative aperture F2, the double Gauss lens structure consists of four groups consisting of six pieces is very good, so far as large caliber people like focal lens, F1.7 lens with standard diameter. Then later Minolta produced a CLE camera, similar to Leica CL camera. China began production of the camera at the beginning of 80s, I began to contact the domestic camera since 1987, the camera was used for a period of time in the table, still in use is China 821, practice has proved that the camera machine precision mirror liang. The machine is fine, said such domestic camera never happened in my hands and a fault, with more than ten years, whether to travel or engage in photography, feeling better than those currently hundreds of thousands of plastic fool good, the camera always sounds unpleasant sound, get in the hands of light, plastic the machine also makes people feel low, lenses such as finger size, is very stingy, confused is glass or plastic lens; the mirror is good, say that the quality of the lens, shoot the film is very beautiful, I had the camera, compared with many foreign manufacturers of the lens, method use a tripod shooting black and white small text, then the projection of 2 meters wide format, let many people observe resolution, in the aperture of f5.6-f11 interval, Everyone agrees that with some famous brand lenses at the same aperture, little difference or no difference, unexpected. Although this method of comparison is not comprehensive, but "little difference or no difference" has been sufficient to prove its fine mirror mirror. The camera also has many like other domestic camera problems, for example: the appearance of making fine enough, either electroplating or assembly, are relatively rough; the same brand of camera motion such as wind move, aperture and shutter ring rotation tightness; aperture center circle; some shots have dust like dirt; screws and other fasteners is simple in design, which make the profile assembly is not rough to the low sense. With the CDS camera is light photometric accuracy varies with the small variation of the voltage of the battery, according to the test, when the voltage drop of 0.25V, be overexposed 0.7 stops, if the voltage is increased by a test times (+ 2.7V), will be underexposed 2 files. This kind of camera began to disappear in the late 80s, and since the middle of the 80s, a large number of domestically produced off-axis sight cameras and almost all four - day three - day lenses have been used. It was such a camera to the relatively high price is one of the reasons, such as when the Phoenix JG301 is priced at 220-240 yuan, 821 yuan for the Chinese 160-190, and Mamiya E rangefinder camera priced at 290-330 yuan, Ricoh, Mamiya, Fuji SLR camera is only a few hundred yuan a frame, at the same time, Nissan import camera poured into China, for example 1980 began to import Fuji FLASH card, C35EFP, Konica Minolta SD rangefinder camera, these imported camera has the advantages of simple structure, usually three or four pieces of small aperture lenses, fixed focal length, plastic body, with a front light. Then, SLR cameras began to dominate, and has a leading position. Since then, there have been four sets of six Gauss lenses, all metal side cameras have not been produced, however, the practical performance of such cameras, good quality, but it is missed. By the way, a friend warned me, I said in the paper that there are six lenses made rangefinder camera, in 80s, a group of early products, the lens is imported, due to the high cost for domestic. How about the truth? Also hope there is information you guide. In 80s, some domestic high-quality lens, metal fuselage, side axis 135 camera: Name: the Great Wall GZ35 Type: 135 side shaft Lens: F1.7, 38mm, four groups, six pieces, Gauss structure, coating Shutter: Japanese disc shutter B, 1/8-1/500 seconds Metering: CDS metering, speed first Self timer: there is a delay of 8-12 seconds Flash linkage: Yes Shooting range: 0.9- H-infinity View focus: head up view, double shadow, coincidence ranging Manufacturer: Beijing camera factory Name: Phoenix JG301 Type: 135 side shaft Lens: F1.8, 38mm, four groups, six pieces, Gauss structure, coating Shutter: B, 1/8-1/500 seconds Metering: CDS metering speed is preferred Self timer: 8-12 seconds delay Flash linkage: Yes Shooting range: 0.9- H-infinity View focus: head up view, double shadow coincidence ranging Manufacturer: joint production Name: Pearl River H801 Type: 135 side shaft Lens: F1.7, 37mm, four groups, six pieces, Gauss structure, coating Shutter: B, 1/4-1/250 seconds Metering: CDS metering speed is preferred Self timer: 7-13 seconds delay Flash linkage: Yes Shooting range: 0.9- H-infinity View focus: head up view, double shadow coincidence ranging Manufacturer: cloud optical instrument factory Name: Huaxia 821 Type: 135 side shaft Lens: F2, 40mm, four groups, six pieces, Gauss structure, coating Shutter: B, 1-1/300 seconds Metering: None Self timer: 8-12 seconds delay Flash linkage: Yes Shooting range: 0.9- H-infinity View focus: head up view, double shadow coincidence ranging Manufacturer: Henan