 Isidoro |
Sigma 70-300 APO macro super II & canon 250 D I have been experimented problems with close-up filters and the sigma 70-300 apo lens, from 135 mm the image becomes yellowish and with fog. I have tested filters from diferents manufacturers like B+W and Hama, obtaining the same results. I have read that it´s necesary to put achromatic close-up filters with this lens (70-300) but are so expensive only to try. Has anybody had experience with sigma 70-300 and canon 250d? Thank you in advance.
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