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2021年2月27日 星期六

Astro-Berlin Gauss-Tachar 75mm f/2.0 前鏡片嚴重刮傷霉疤痕拋光處理 Polish for front glass serious scratches and fungus scars

這支 Astro-Berlin Gauss-Tachar 75mm f/2.0 前鏡片的外側面有很嚴重的刮傷以及一些發霉長過的疤痕。 這些都是鏡片上永久性的損傷,嚴重的程度已經會影響成像品質。 要讓鏡片恢復乾淨通透,並保有與原本鏡頭一樣的光學表現的唯一方法,就是讓鏡片接受正確的拋光處理。 最後兩張照片可以看到受損的鏡片拋光前後的顯著差異!


The outer surface of the front glass of this Astro-Berlin Gauss-Tachar 75mm f/2.0 was full of scratches and some fungus scars. The defects was too serious to affect the image quality. The only way to make the glass clean and clear again, and preserve the image quality the same as its original one is to make a polishing treatment. As you can see the from last two attached images, its a significant difference.










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