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The larger the zoom ratio, the worse the image quality. The prime head has the best image quality. The zoom ratio of these two lenses is relatively large, and the image quality of the 18-135 is better than that of the 200, but it is not as convenient as the 200 when traveling.
Therefore, if it is used for tourism, documentary photography, humanistic photography, 200 is very good. If you feel that 200 is expensive and you need a large zoom ratio, 135 is also very convenient, and the daily focal length is covered.
200 is expensive, the picture quality is average, but convenient.
The 135 is cheaper, the image quality is better than the 200, and it covers everyday focal lengths.
In addition, the lenses of these two focal lengths of different brands are different, and it depends on whose lens you use.
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Personally, I think it's 18-135.
The rendering quality of the 18-135 is better than that of the 18-200, and the 18-200 is just a longer focal length.
Actually, there is no big difference, but I personally think 18-135 is very good. I myself used 18-135 and didn't use 18-200
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In general, the larger the zoom range of a lens, the lower the image quality. But for the lenses of these two sets, the slight decline in image quality of the former is basically negligible... Therefore, my suggestion is to buy 18-200 if there is no problem with the money, after all, the focal length is wide and easy to use, and the so-called one lens goes all over the world.
Of course, if you want to pursue professionalism in the future, you should go straight to those lenses.
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The 18-200 zoom is too large, and the imaging quality of the 200 end is poor.
The lenses used in the 18-135 don't seem to be very good.
Why don't you choose 16-85?
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Both lenses are similar, and there is nothing good or bad. They are all set lenses, and the imaging effect is the same. Landlord, if you want to buy a lens, you might as well buy a better lens.
If you have to choose between these two lenses, then I recommend that you go straight with the 18-135 lens! Because the focal length of the zoom of the lens is large, it will affect the shooting effect, so that the quality of the shooting will be reduced. I don't recommend you to buy an 18-200 lens, because the shorter distance is too large, which affects the quality of the film.
So, you better leave the 18-135 shots!
Canon 18-135 elaboration
The Canon EF-S 18-135mm F is a high-magnification standard zoom lens with a high zoom ratio, capable of covering a focal length of 29-216mm when converted to a focal length of 35mm. The IS (Image Stabilizer) mechanism is equipped to compensate for hand shake equivalent to a shutter speed of about 4 stops at all focal lengths from wide-angle to telephoto, and can automatically distinguish between normal shooting and follow-up shooting.
Canon 18-135
Canon 18-135 proof.
Canon 18-135 proof.
Canon 18-135 proof.
Canon 18-200 elaboration
When shooting handheld, the IS optical image stabilization of the EF-S 18-200mm F IS lens is significant, which is equivalent to increasing the shutter speed by about 4 stops, so that you can get sharp images even when shooting in dim environments or indoors. In addition, the lens can automatically determine whether it is a follow-up shot, so as to automatically adjust the anti-shake method to improve the success rate of follow-up shooting. The optical structure of the lens is 16 elements in 12 groups, including 2 UD ultra-low dispersion elements and 2 high-precision glass molded aspherical lenses. By optimizing the lens position and coating technology, the phenomenon of flare and ghosting is reduced, and the optical quality of the lens is improved. The lens's minimum focusing distance is meters across the entire zoom range, and it has excellent close-up capabilities.
With a circular aperture design, you can shoot beautiful bokeh effects. The EF-S 18-200mm F is lens is also equipped with a zoom ring locking device, which prevents the lens from automatically extending to avoid scratching when the lock is turned on, so as to better protect the lens. The lens is made of environmentally friendly lead-free glass.
The filter diameter is 72 mm.
Canon 18-200
Canon 18-200 proof.
Canon 18-200 proof.
Canon 18-200 proof.
Judging from the above two lenses, the shots of the two lenses are almost the same. But after the ** is magnified to 100%, you can tell the difference between the two lenses. The Canon 18-200 lens has a slight weakness in the **, and the 18-135 lens does not.
So in terms of imaging effect, the 18-135 is still better than the 18-200 lens.
Welcome to the Canon 18-200 Forum to communicate.
Welcome to the Canon 18-135 forum to communicate, I hope the above content will be helpful to you!
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1. The difference between 18-105 and 18-135 focal lengths:
The difference between the 18-105 (Nikon) and the 18-135 (Canon) is only in the focal length, and the quality is basically the same.
The 18-105 is 35mm shorter than the 18-135 long focal length, which is a bit short when shooting landscapes and the card machine is much worse than the DSLR because the image quality is much worse, and the lens cannot be changed, so the zoom ratio can be made larger, but the image quality will not be good, which is also a reason.
18-135 is the focal length of the lens, this is a zoom lens, 18 is the wide-angle end, and 135 is the telephoto end.
2. The difference between 18-135 and 24-135 focal lengths:
There is no 24-135, only 24-105 and 28-135. The 24-105 and 28-135 have no wide angle and the 18-135 has only 150°.
Zoom lenses are not easy to do well, and large zoom magnification lenses are even more difficult to do. Because the SLR lens can be replaced, so, in order to pursue image quality, the zoom ratio of a good lens is about 3 times, and there are also lenses with a large zoom ratio, mainly for convenience, no need to change, but those lenses are not good.
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First, the lens structure is different.
1. Nikon lens 18-200: The lens structure is 16 elements in 12 groups (including 2 LED glass elements and 3 aspherical lenses).
2. Nikon lens 18-140: The lens structure is 17 elements in 12 groups (including 1 ED lens and 1 aspherical lens).
Second, the focusing method is different.
1. Nikon lens 18-200: M A (manual priority AF) and M (manual focus).
2. Nikon lens 18-140: inner focus.
3. The focal length range is different.
1. Nikon lens 18-200: The focal length range is 18-200mm.
2. Nikon lens 18-140: The focal length range is 18-140mm.
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Difference 1: **.
18-200 is a bit more expensive, but it's not that much. **Gaps can be disregarded.
Difference 2: focal length.
The 18-200 is the medium telephoto segment and is suitable for telephoto, while the 18-140 is wide-angle, medium-focus, and telephoto all-encompassing.
Difference three: weight.
The 18-200 weighs too much and doesn't have good portability, while the 18-140 doesn't have this problem.
The landlord's problem is very wide, if it is a water temperature that is completely free of cold, it should be close to 30 degrees, such a temperature will heat up and even sweat after swimming for a period of time, the water temperature of winter swimming is generally between 20 and 10 degrees (I am a winter swimmer, this is my experience) but more than 15 degrees, even the air temperature of zero degrees is rarely lower than 12 degrees of water temperature. Most of the time the water temperature is between 15 and 18 degrees. It doesn't seem like much, but as long as it's below 25 degrees, it takes a lot of courage to get into the water.
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