I Dare You!

by peter_budo

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3

The short answer is yes, they are trustworthy but your question seems to be more orientated towards the 'should you go for the cheaper version' kind of area. In some cases, people would consider the Tamron/Sigma equivalent to be better, but that's subjective and can take into account many things such as build quality, features, price and of course picture ...


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

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

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 ...


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

Nothing first person, but Photozone.de's tests and reviews are well regarded. Here's the relevant links: http://www.photozone.de/nikon--nikkor-aps-c-lens-tests/642-tamron175028vcdx http://www.photozone.de/nikon--nikkor-aps-c-lens-tests/838-sigma175028os To summarize: Build quality of both is good but not fantastic Neither is a great lens to manual focus ...


1

There's a focus limiting switch - so that when you're doing macro work, it won't hunt through the whole range. Look over the lens and find the switch and turn it off.


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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