800px Close-up lens for Canon 500D
800px close-up lens canon 500d 58mm
Although the specification has referred to in the most recommend the use of lenses for the 70 ~ 300mm. But of course, in fact almost all of the lens can be, and the lens magnification and focus distance are marked. A small number of lenses may not fit in on instructions also have mentioned that.
With a total of three series, but in general most recommend is the 500D. This is the meaning of the representative from the lens composed of two layers, which are reduced in order to improve quality variational design. But also because of this that makes the thickness of the lens a little box, but also a little weight.
When using the 500D when, because of the effect will be magnified, so the recommendations can not be too slow shutter speed, or the use of tripod shooting. The close-up lenses in accordance with its own characteristics, the infinity focus will not be able Hop coke. If you want infinity focus can be, and that the use Teleconverter are, rather than a close-up lenses.
When you start working with true macro ranges such as 1:4 lenses through to 1:1, you may start with inches, but quickly end up counting in millimeters with tiny adjustments in lens placement making the difference between a keeper or a trash bin filler. If you can afford it, a focusing rail or sliding bar attachment, such as the Manfrotto 454 Micro Positioning Plate, to be placed between the camera/lens and the tripod head is nice to have, as this allows you to more easily obtain the optimum macro focusing distance. Kirk and Really Right Stuff also make similar, but very expensive products for the Arca Swiss ball head users.
The alternative to the extension tube is the close-up lens. I use to call it a filter, but a filter implies effecting the scene by way of embellishment or other controlling fashion to saturate colors or hold back contrast whereas a close-up lens affects nothing but the close focusing ability of the master lens. Close-up lenses are clear and as such do not affect the exposure like extension tubes; however, they are like filters in that they screw onto the front of the lens like any other circular filter.
Most close-up lenses on the market are single-element types, which are quite affordable, but are not necessarily the last word in quality. If you want a close-up lens that can come close to the quality offered by a true macro lens you need to look at the dual-element, achromat types.
An achromat lens is made up of two elements (sometimes more) cemented together to provide for control of chromatic and spherical aberrations. The two elements have opposite properties and when put together complement each other. It is perhaps no coincidence that the dual-element achromat close-up lenses are usually recommended for use with telephoto lenses, which can suffer from chromatic aberrations without the use of extra-low dispersion elements. Hardcore optical theory available here.
Nikon has three dual-element achromats available, but I chose not to buy any of them because the maximum diameter offered is 62 mm with the 6T. The lens I wanted to use a close-up lens with is my 70-200mm f2.8 VR lens and thus I needed a close-up lens in 77mm diameter size and over and over again, I have heard very good things about Canon’s 500D. Thus it was recently that I stopped by my local shop of Broadway Camera and ordered one in.
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