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如何不用撈起魚?……….測量魚長度方法分享.
我ㄉ魚到底幾公分???

要量測魚長度…..總是要把魚撈起來才準? 但是礁岩造景擺滿缸…不好撈吧?
就算勉強撈到………魚已經飽受驚嚇….體質弱ㄉ.或神經質ㄉ愛魚…會不會可能就此歸天???
若是大型兇猛蓋刺.倒吊等魚種..
...更要小心............以免掛彩!!!!!
經常看到魚友用目測法…去目測魚長約X 公分!!!…

傳說中之---高手級ㄉ魚友
.
....用目測法目測誤差極小(0.5cm內) 
但我又不是高手級ㄉ..也可不用撈起魚..誤差極小(0.5cm內)
方法分享.
一.準備比例物(本次使用魚缸常見溫度計)
二.拍照..取平面角度..將比例物連魚拍下..存入電腦打開圖片.
試量一下.....哇!!!魚長12公分(魚長ㄉ太快了吧)....
比例明顯不對
三...拿出比例物..調整圖片比例與比例物(溫度計)同大
調整圖片比例
(1)比例調整為25%
(2)比一下比例物(溫度計)同大
溫度計刻度相同(PS因為我有兩隻溫度計.所以相片看起來不大一樣)
比例物可為任意物
四.即可任意測量魚..完成
原來我ㄉ小藍面正確長度是8公分

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因為站內找不到相關文章.....(果然傳說中用目測法目測之------高手級ㄉ魚友眾多
.
)
因此自己想出此法-----胡亂搞搞-----------提供參考囉!!!!!!

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-------簡單fo小缸----沒有貴重的寶貝---------
--只有一隻孤獨自賞的小藍面,與藍腳相依為命----
https://www.ph84.idv.tw/vbb/showthread.php?t=161793&highlight=
餵食影片
https://www.wretch.cc/video/wu52002000&func=single&vid=6533090&o=time_d&p=0





要量測魚長度…..總是要把魚撈起來才準? 但是礁岩造景擺滿缸…不好撈吧?
就算勉強撈到………魚已經飽受驚嚇….體質弱ㄉ.或神經質ㄉ愛魚…會不會可能就此歸天???

若是大型兇猛蓋刺.倒吊等魚種..



經常看到魚友用目測法…去目測魚長約X 公分!!!…


傳說中之---高手級ㄉ魚友



但我又不是高手級ㄉ..也可不用撈起魚..誤差極小(0.5cm內)
方法分享.
一.準備比例物(本次使用魚缸常見溫度計)
二.拍照..取平面角度..將比例物連魚拍下..存入電腦打開圖片.
試量一下.....哇!!!魚長12公分(魚長ㄉ太快了吧)....


三...拿出比例物..調整圖片比例與比例物(溫度計)同大
調整圖片比例
(1)比例調整為25%
(2)比一下比例物(溫度計)同大
溫度計刻度相同(PS因為我有兩隻溫度計.所以相片看起來不大一樣)
比例物可為任意物
四.即可任意測量魚..完成

原來我ㄉ小藍面正確長度是8公分


-------------------------------------------------------------------------------------
因為站內找不到相關文章.....(果然傳說中用目測法目測之------高手級ㄉ魚友眾多


因此自己想出此法-----胡亂搞搞-----------提供參考囉!!!!!!



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-------簡單fo小缸----沒有貴重的寶貝---------

--只有一隻孤獨自賞的小藍面,與藍腳相依為命----

https://www.ph84.idv.tw/vbb/showthread.php?t=161793&highlight=
餵食影片
https://www.wretch.cc/video/wu52002000&func=single&vid=6533090&o=time_d&p=0
最後編輯: