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link 11.03.2010 18:28 |
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Subject: wide open T-stops In order to achieve a high quality image even at wide open T-stops, lens designers are using new shapes for the surfaces of individual lens elements.кто-нибудь знает, что это? Спасибо заранее |
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link 11.03.2010 19:12 |
| спасибо)) |
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