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To complete the stylish extension, a number of the property’s existing hardwood windows have also been sympathetically replaced. Tasked with identifying a system that could match the visual appeal of the original wooden frames whilst offering improved quality, usability and security, the Dortech team took the innovative step of suggesting a change to aluminium. After reviewing alternative products on the market, Senior’s high quality PURe® aluminium windows were found to significantly outperform cheaper aluminium systems and offer the perfect solution in terms of both performance and aesthetics. Therefore, when shooting in macro, it is easy to get a shallow depth of field if utilizing a large aperture. We often make use of the F8, F11, F13 such small, and medium-sized aperture to look at photograph to ensure the photo has clear range. If you use a 100mm macro lens to shoot the insects' close-up, even with the F13 aperture, the depth of field is extremely shallow, and sometimes need to utilize the manual focus function to carefully adjust the focus position to spotlight your eyes of insects to make the image more vivid.