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A brief discussion on the "knife method" of camera manufacturers

2025-02-27 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > IT Information >

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Compared with flagship / high-end products, mid-end / entry-level products tend to have a lot of simplification. This is not only to strike a balance between cost, positioning, and market acceptance, but also to consider the "feelings" of other products of the same brand, which is a great test of manufacturers' cutting skills. In the following content, ET will share with you some of the knives of camera manufacturers.

In the digital SLR era, the sensor mainly undertakes the imaging function, while the focusing and continuous shooting performance is determined by the focusing module, the photometric module, the reflector and the shutter assembly. Advanced focusing and metering modules are usually used on flagship / high-end products and then iterated down to mid-range / entry-level products.

Take Nikon APS-C SLR as an example, many products use about 2400 megapixel low-pass-free CMOS and EXPEED 4 image processors, different grades of products have basically the same image quality, higher-grade products can provide better focus, continuous shooting performance, and more comfortable professional view, control experience.

The D3500 uses the ancient 11:00 AF module and about 420 pixel RGB metering module, with a maximum shutter speed of 1pm 4000 seconds and a five-mirror viewfinder.

-the D5600 uses a 39-point AF module and a 2016 pixel metering module inherited from the D7000, with a maximum shutter speed of 14000 seconds and a five-mirror viewfinder.

The D7200 uses a 51-point AF module and a 2016-pixel metering module derived from the D300, with a maximum shutter speed of 1amp 8000 seconds, a five-prism viewfinder, a semi-metal body, and double SD card slots.

For SLR products, the "kindness" of mid-end / entry-level products also means that there is no further technological development of flagship / high-end products.

In the full-frame micro-single era, the sensor is not only responsible for imaging, but also takes into account scene taking, focusing, photometry and shooting (electronic shutter). Fewer components means there are fewer places to use the knife.

Although Sony 7M3 and 7RM3 use different types of sensors, they differ in effective pixels, phase detection area and video capabilities. But they are all backlit CMOS and belong to the same generation of products. Compared with Nikon (Z 6 series / Z 7 series) and Panasonic (S1 / S1R), Sony has a big difference in hardware between high and low pixel products and a small difference in actual price.

-7M3 uses about 2400 megapixel backlit CMOS, about 2.36 million dots EVF+92 million dots LCD screen

-the 7RM3 uses about 4200 megapixel backlit CMOS, about 3.69 million dots EVF+236 LCD screen, and a metal backplane.

Perhaps for Sony, which produces and sells itself, the same generation of high-pixel sensors is not much more expensive than low-pixel models. If you want to take into account the product competitiveness and grade differences, you must cut some configurations outside the sensor.

Nikon chose to replace the backlight sensor with the front sensor when it launched the Z 5. Although the performance of focus, continuous shooting and video has been reduced, the scene and playback effects have not been affected, and most of the fuselage is made of metal.

-Z 5 uses about 2400 megapixel CMOS, dual UHS-II SD card slot, metal body (excluding backplane)

-Z 6 uses about 2400 megapixel backlit CMOS, shoulder screen, CFe B card slot, metal body (including backplane).

Personally, I prefer to cut the fuselage material first and keep the shooting performance as high as possible at as little price as possible.

Compared with other brands, Canon is the most willing to mold the fuselage: EOS R and RP are two fuselages, R6 and R5 are also two fuselages. Now, it puts the imaging core of the R6 Mark II into the body of the EOS R8, which greatly reduces the cost and price (the price difference is as high as 6000 yuan) while ensuring picture quality, focus, continuous shooting and video performance. Without anti-shaking fuselage, the simplified shutter assembly, low-specification viewfinder, single card slot and small battery will not make R6 Mark II users feel backstung.

Like everyone else, I want the R8 to keep the fuselage anti-shake, but where else can there be such a big price difference and not make R6 Mark II users feel backstabbed?

Entry micro-entry-level products are the most difficult to use. Move less to distinguish is not enough, move too much, in fact, there is really no place to move.

Take the newly released Canon R50 as an example, it has exactly the same sensor and processor as the R10, that is, the image quality and focusing performance are basically the same. The official price is 4599 yuan and 5399 yuan respectively (the difference is 800 yuan). In order to control the cost, Canon uses a knife on continuous shooting, manipulation and external flash. It not only retains the original viewfinder, but also improves the LCD screen specification.

Hardware differences between Canon R50 and R10:

-simplified shutter assembly with only electronic front curtains

-the noise reduction microphone has been removed

-removed the traditional hot boot contact

-reduced cache capacity

-reduce UHS-II SD card slot to UHS-I SD card slot

-removal of control components such as AF / MF switch, focus rocker, etc.

-the LCD screen has been upgraded from 3 inch 104 megapixels to 3 inch 162 megapixels.

Reducing the speed of continuous shooting and canceling 4K60p video shooting basically will not affect the cost. The R10 is simplified in two aspects, probably because Canon is worried that the 800 yuan price difference and the above configuration difference is not big enough.

An elegant knife? Above we introduced how to use DSLR and how to use micro-single camera in viewfinder, LCD screen, body material, anti-shake, cache and other details. Finally, we will share with you a more literary and elegant knife method: fuselage modeling.

Olympus / Olympus Heart and Fuji's micro-single products all have two sub-lines of quasi-SLR and quasi-axle. Fuji, in particular, the "dessert" products of the two sub-lines are not only the same imaging core, but also basically the same viewfinder. As a result, the SLR shape is usually a little more expensive than the paraxial shape. For example, X-T30II is 5999 yuan and X-E4 is 5699 yuan. In a sense, this is also a kind of knife method.

But this knife is difficult for other manufacturers to learn.

So, what kind of knife do you prefer?

This article comes from the official account of Wechat: camera Notes (ID:xjbiji), by Teng Fei et

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