細光圈下懶惰現形

為了試用剛入手SUIRI G20 波頭平台,昨天喜見陽光,立即配上舊有Velbon旅遊細碼腳,繫上背包,跑到家住屋苑後的小山上,於近頂處找得廣闊視野點,架好三腳架,穩好相機,才慢慢的摸索各個鎖扭,還是第一次買有獨立水平鎖的波頭,自然要來個全影照實習實習,設定手動無限遠,A mode @ f18, 從左至右一連七次曝光,如事者加減曝光再來兩三次….。回家後才發覺CCD上的塵垢,於細光圈下完全現形,所有照片皆出現多處明顯黑點,尤以天空位置份外明顯,掃慶之餘又要花功夫清潔CCD,想來都很久沒有做清潔保養了,懶之過!

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