Nikon D40 DSLR camera, the photosensitive material used in Nikon D40

Nikon D40 set of current market ** is 3200 yuan, Tamron 70-300 lens ** 1250 yuan, second-hand may need to discount half price = 3200 + 1250 = 4450 half discount 2200 or so, change Nikon D80 set with 18-135 head now** 6200 or so, 6200 - your 2200 yuan may need to make up the difference of 4000 yuan, so it is not cost-effective to replace the new, it is recommended that you sell second-hand, Then buy a new machine from the new, maybe you can spend less RMBB The above analysis is for reference only and is not used as the basis for the transaction.

D40 set of hummingbird 2 hand area, shutter 500 or so 98 into a new 2000 or so, 70--300, second-hand area ** almost brand new about 700, invoice warranty card and so on the machine is not money, the landlord himself refers to it, calculate how much you are worth.

Frankly speaking, there are more than 2,900 places in this set now. If you want to sell it now, I estimate that 2500 is already very high, and it is estimated that it will be 2000.

The D40 fuselage changes hands for up to 2000

1855 up to 400

There are more than 3,000 in a full set, and that's it.

You can go to the hummingbird trading area to have a look.

Yes, it is recommended that you take a look at the second-hand trading area of Hummingbird.com: D40 set of shutters, 10,000 shutters, about 2400, Tengfaucet 800

It's all the same thing, so why spend so much more for vanity? It's better to change to D200....

The Nila Hongdakang D40 uses a CCD sensor with an area and has an imaging capability of 6 million pixels. It enables the simplified CAM 530 focusing system to use a three-point focusing method. Its metering system is equipped with Nikon's best-selling 3D matrix second-generation metering system, which has the best key metering and spot metering functions.

The Nikon D40 has an ISO range of ISO200-ISO3200, a flash sync speed of 1 500s, a continuous shooting capability of JPEG for unlimited continuous shooting, and up to 9 shots at a time in RAW format**. The machine uses SD card as the storage medium and is compatible with SDHC memory card.

This problem should be on the lens, if you are using a D-type lens (e.g. it is normal to not be able to autofocus, since the body of the D40 does not have an autofocus motor, and neither does the D-type lens. If you are using a G-type lens (for example, if you can't autofocus, if you make sure that the A M switch of the lens is on the A gear and there is no other problem with the lens, then there must be a problem with the body, and you need to go to the after-sales service or repair department to see!)

Since the body of the machine does not have an AF MF switch, all the reasons for not being able to focus should be found from the lens.

First of all, this model does not have a body-driven focus motor, and it does not support old-fashioned AF lenses, only new-style AFS lenses, so if you use an old-fashioned lens, you can't autofocus and can only focus manually.

Secondly, there are AF MF or MA MF switches on the AFS lenses, which can be dialed to the MF gear for manual focusing, and you need to check whether the gear is set to AF (MA for advanced lenses, i.e., full-time manual priority autofocus).

Third, if the lens is not installed properly, an error message will be displayed in the viewfinder.

I don't recommend Nikon, I feel like Canon is better. Canon's high-end zoom is cheaper than Nikon's, and there are cost-effective F4 small ternary options to choose from, while Nikon's large ternary is more than 1W and very expensive. Personally, I prefer the Canon 60D, which is cost-effective