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3

The biggest differences between the two lenses can be seen at 200mm and f/2.8, but that is where many of us use a 70-200 f/2.8 the most. If you ever plan on using a 2x extender with your 70-200 f/2.8, the difference between the two lenses at 400mm are remarkable. In the end, everyone has to decide for themselves what the relationship is between "close ...


2

With a tested Minimum Focus Distance (MFD) of 16.81 inches at 270mm and a Maximum Magnification (MM) of 0.26x, or approximately 1:4, you can't really do Macro photography with that lens. And since it is already slow at f/6.3 at 270mm, the minimal gain you would get in terms of MM by adding extension tubes would make the lens too dark to be very useful.


2

Depending on which Tamron lens you have there could be a switch on the left side of the lens itself to toggle between "AF" and "MF". Make sure it is still set to AF. There are various ways to change the focus mode of the camera itself, but that can vary with the button configuration. You'll need to go through the manual and check the settings in the menus ...


2

VR The Nikkon 18-200 has VR, the Tamron 18-200 does not. VR can give you an advantage worth two or three stops on the aperture. Nikon claim up to four stops There are some relatively cheap Nikon lenses that include VR. For example 18-55mm f/3.5-5.6G AF-S VR DX NIKKOR $197 55-200mm f/4-5.6G AF-S DX Nikkor VR - $247 18-200mm f/3.5-5.6G AF-S DX Nikkor ED ...


2

To quote from the 572D manual: Automatic Focusing (for Nikon/Minolta/Pentax AF SLR) When the camera is on the autofocus mode, the lens focuses automatically. Digging a little further, this thread confirms my suspicion that the Tamron lens doesn't have a built in focusing motor, but instead uses the screw drive motor which exists on higher-end ...


1

It seems like newer Tamrons have problems with the autofocus motor. My 70-200/f2.8 VC had the same symptoms and after a while it stopped focusing but was repaired through warranty. I hear similar stories about the new 24-70/f2.8 VC as well. First of all go back to your camera store and let them check it out and show you how it works. If there's a problem ...


1

There is no "best body" for a given budget and to get a really good answer you have to provide a lot more information about your needs (what kind of photos are you planning to take, what other equipment do you have, do you have a camera body already etc.). Wedding and nightclubs are typical low light scenarios but you can use flash. Go and try some bodies ...


1

Sharpness (measured by careful manual focusing in a lab environment) is important, but remember with a wedding lens AF consistency is equally important. Sharpness: The Tamron is a sharp lens, but it is not quite as sharp as the EF 24-70mm f/2.8 L II. From DxO Mark (click the Measurements tab, then sharpness and profiles and play around with various focal ...


1

I preordered a canon 5dsr but I was wondering if the lens Tamron SP AF Di VC USD 24 - 70 mm will be good with that camera? Summary: You are liable to be happy with this lens on most counts if you are happy with the 24-70 mm zoom range and f/2.8 constant aperture. According to DxO, you cannot get a sharper zoom in the 2X mm - 7Xmm f/2.8 class, although ...


1

Yes. Just make sure that you buy the Canon mount version for this lens, as third party lens makers generally also make versions with mounts for Nikon and other camera brands.


1

If it's low-light work you're primarily intending to do then the f2.8 lenses are a better option as they are an f-stop brighter than the Canon 24-105 f4L. Image stablisation can only do so much and having a wider aperture will give you a head start in low-light environments, making IS less necessary. Also bear in mind you're less likely to need IS at wider ...


1

Using a teleconverter on a a Rebel body with a slow zoom lens is not likely to work well, unfortunately. Autofocus will not work and image quality is going to be poor. You are much better off saving to buy a longer lens.


1

Your example above presumes that there are only 5 possible variables between to two lenses which could contribute towards the price. The fact is that there are many other reasons why the price could be higher: Build Quality Lens Coatings Perceived image quality Maximum aperture Aperture blade type I won't go on, because there are just too many. I would ...


1

There probably won't be a macro facility to 'activate' - the 'Macro' designation just means the lens can focus very close to your subject. If you are using the lens at the closest range available on the focusing scale (probably using the longer end of the zoom range at the same time) then you can safely claim to be practising macro photography. There is no ...


1

The Sony TCs are designed specifically for Sony G lenses and CANNOT be used with other lenses without risk of damaging both the lens and the TC - this is due to the extremely tight tolerance (about a mm gap) between the lens' rear glass and the TC's front glass. Likewise the new Sigma APO TCs are specifically tailored for a limited set of lenses such as the ...



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