What is the meaning of reverse order?

Question 1: What is the meaning of the goods counter single commonly used in trade back to the single The so-called back to the single is the first time the order form and shipments after a variety of reasons (such as good sales or other) and have the customer again under the order form. For example, I do clothing, usually because of a wide range of clothes sell well and have a lot of orders and return orders.

Problem 2: futures reverse single what means lock position generally refers to futures investors in the purchase and sale of futures contracts, when the market appears with their own operation of the opposite trend, open and the original position of the opposite of the new position, also known as the pair of locks, lock single, and even the beautiful name of the butterfly double. Lock position, generally divided into two ways, that is, profit lock position and loss lock position. Profit lock position is that investors buy and sell futures contracts have a certain range of floating profits, investors feel that the original trend has not changed, but the market may be a short fall or rebound, investors do not want to the original low-priced buy orders or high-priced sell orders to easily close the position, they will continue to hold the original position at the same time, the opposite direction of the opening of a new position. Loss lock position is that investors buy and sell futures contracts have a certain degree of floating losses, investors can not see the market, but do not want to float the loss into the actual loss, will continue to hold the original loss position at the same time, the opposite direction to open a new position, in an attempt to lock the risk. To put it plainly, futures is a two-way transaction, you can buy down can buy up you first buy 1 hand of up you buy 1 hand of down so as to offset! The rise and fall and your single have nothing to do!

Question 3: What is the meaning of the return order? The last order reorder

Can not be said to be exchanged or returned, because the exchange or return is the transaction has occurred.

Question 4: What is the meaning of "reverse order" in the apparel business? Should be back to the single, that is, the first batch of goods have been sold out, make up for the first batch after the second batch of goods, the third batch, and so on

Problem 5: What is the meaning of SLR info SLR info is the SLR body of a key, press the key, the display will appear on the camera's current settings of the parameters can be regarded as a camera parameter settings ***, such as the Figure:

In the After pressing the info key, the information will appear as shown in the figure. In addition to checking these parameters, you can also set the parameters. If you need to set the ISO, press the button on the left under the label ISO, at this time only the ISO data in the display is highlighted in white, the other data become gray, and then adjust the ISO value through the dial next to the shooting button.

Tip:

When feeling the abnormal effect of the photos taken, you can quickly check the settings of the shooting parameters through the INFO panel, which can effectively improve the work efficiency.

Question 6: What does it mean to be a DSLR? A DSLR is a single-lens reflex camera. Simply put, it is also generally seen "cannon" (long focal length lens) camera with the body. Now the mainstream SLR Canon, Nikon, Pentax, Sony, Fuji, etc., which has the most fans of Canon and Nikon.

Generally these two brands of camera entry level are 3K ~ 5K, mid-range on the 8K ~ 1.1W, high to 1.2W ~ 2.2W, high-end not quite understand, probably also have to 4W beginning. (All of the above are brand new national line offer).

As for the "poor B play crazy, rich generation play table, rich second generation play car, tasteful rich people play SLR." This statement I do not understand whether the real life portrayal, but I personally do not necessarily have to be rich to play SLR, if you want to play if a mid-range plus wide-angle lens (17 ~ 40MM 4L), mid-zoom (70 ~ 200MM 4L), fixed-focus lens (50 1.8) plus a tripod and a series of accessories such as shutter release line on the OK, and the price is not very expensive, probably 2W around. If you don't buy a new one, if you know a professional, you can buy a used one at a price of 2W.

On the Internet, everyone says that playing with a DSLR is burning money, but the masters around me don't burn much money. A camera, one to two lenses, want to upgrade the lens, then the focal length of the duplicate lens put second-hand sold, and upgrade the lens is also to buy second-hand back, then if you are not in a hurry to upgrade, you can always pick up the cheap, and when you then second-hand put out of the supply of that difference in price at any time you can make a profit.

So I don't agree with the two statements "rich people with taste play DSLR" and "playing DSLR is burning money".

All of the above are personal opinions, purely manual answers, and no plagiarism.

I hope to be able to help the owner to understand the problem you want to know.

Question 7: What is the meaning of a single-lens reflex (SLR) camera When shooting, when the shutter button is pressed, the reflector will pop up, and the shutter curtain in front of the soft film will be opened at the same time, and the light (image) through the lens will be projected onto the soft film to make the film sensitive, and then the reflector will be restored to its original state, and the image will be visible in the viewfinder again. Single-lens reflex camera of this structure, determined that it is completely through the lens focusing shot, it can make the view window and the image seen on the film will always be the same, its range of view and the actual shooting range is basically the same, eliminating the parallax phenomenon of the side-axis panoramic viewfinder camera, from the point of view of the study of photography is very conducive to intuitively framing the composition.　　 SLR camera because the whole imaging system (focusing and shooting) for a lens so there is no parallax, that is to say, framing and imaging is the same. (The traditional machine is mostly a side-axis viewfinder) Secondly, due to the use of an imaging system for a lens, so the coordinated response is faster than the general response of the machine, so the SLR machine to high-speed movement of the object shot better (not because the camera response is slow to miss the scene) Again, the SLR machine as a result of the use of the lens composition of the different photographic system, for example, you can change the wide-angle lens, you can increase the length of the lens, you can add a color film, but also can be used to meet the micro-distance lens and so on. Choose micro-distance lens and so on to meet your different needs. You will not miss the beautiful scenery because the machine lens limitations.　　The last point, due to the SLR machine more natural crystal or fluorite polished lens so the price is much more expensive than the general glass and plastic lenses. Even some of the use of ultrasonic motors to adjust the lens than the mechanical vibration is smaller, some have their own anti-shake patents (such as Canon's EF series of lenses with the IS logo), especially Canon's EF series of lenses with a red line is the so-called pure natural fluorite lens is expensive a lens in the range of 30,000-50,000 between.　　DSLR digital camera is a single lens reflex digital camera, that is, Digital digital, Single alone, Lens lens, Reflex reflective acronym DSLR. market representative models are common in Nikon, Sony, Canon, Pentax, Fuji and so on. These cameras are generally larger and heavier.　　Models that use an electronic viewfinder EVF are also categorized as DSLRs, but they are generally labeled "similar" or indicate that they are EVF viewfinders, such as the Olympus C-2100UZ and the Fujifilm Finepix 6900. In the working system of DSLR digital camera, the light reaches the reflector through the lens, and then refracts to the focusing screen above and forms an image, and through the eyepiece and pentaprism, we can see the outside scene in the viewfinder. In contrast, the general digital camera can only see the image captured through the LCD screen or electronic viewfinder (EVF). Obviously, seeing the image directly is more conducive to shooting than seeing it through processing.　　One of the great features of DSLR digital cameras is the ability to exchange lenses of different specifications, which is an inherent advantage of DSLR cameras that cannot be matched by ordinary digital cameras.　　 CMOS sensor In addition, nowadays, DSLR digital cameras are located in the high-end products of digital cameras, therefore, in the area of the light-sensitive element (CCD or CMOS), which is related to the photographic quality of digital cameras, the area of DSLR digital is much larger than that of ordinary digital cameras, which makes the light-sensitive area of each pixel of DSLR digital cameras is also much larger than that of ordinary digital cameras, so each pixel point can also show a more detailed brightness and color range. Therefore, each pixel can show a more detailed brightness and color range, which makes the photography quality of DSLR cameras significantly higher than that of ordinary digital cameras.　　It can be simply said that DSLR digital camera is not suitable for any user, first of all, having the necessary professional knowledge is one aspect, and secondly, to use a good DSLR digital camera, it must be matched with different types of lenses, which will probably make the cost of lenses higher than the cost of purchasing a digital camera.　　And when traveling, the weight of the camera bag with the lens group is also much higher than an ordinary camera, which will become a serious burden on the traveling process. In addition, DSLR digital cameras are used in a way that exposes the photographic element directly to the air when changing lenses, so it is also important to take care of the camera when using it. Therefore, although the DSLR digital camera shooting quality is higher, and now the price has dropped a lot, but also not suitable for all users, the user to buy or according to the need to choose.

Question 8: What is the meaning of "mid-range DSLR"? This is just a relative concept SLR in accordance with the frame focus body quality image quality and other performance divided into entry (low-end SLR) mid-range (quasi-professional also counts, right) high-end SLR mid-range SLR playability and better imaging quality is more suitable for enthusiasts single price is generally about 10,000 Nikon's D7000 Canon's 7D 60D Pentax's 645D

Question 9: What is the SLR machine single? What does it mean? Single set is with 18-70mm lens

Double lens set is with 18-70mm and 75-300mm lens

Single is no lens

No lens can not take pictures

18-70mm lens is worth 200-300 yuan

75-300mm lens is worth 800-1000 yuan