近日收到不少網友意見,指 DCFever.com「吹水閒聊」充斥愈來愈多粗言穢語、人身攻擊、誹謗等不理性討論。作為 一個以攝影興趣為主題的網站,此等漫罵式討論已超出 DCFever.com 設立討論區之原意。DCFever.com 呼籲大家以 攝影交流為目的作理性討論,並正密切留意事態的發展。
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digtial_sniper
註冊: 2004-11-30
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~~~ Panasonic DMC-TZ1.... 10x FOLDABLE ZOOM LENS design~~~~ Post time: 2 月 15 日 |
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Should be the world (so far) smallest 10x zoom camera and the longest foldable-zoom-lens design regarding the zoom range.....impressive!
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gzhu
註冊: 2005-09-05
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Re: ~~~ Panasonic DMC-TZ1.... 10x FOLDABLE ZOOM LENS design~~~~ Post time: 2 月 15 日 |
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Fx9都幾多noise,仲話iso1600 ?唔好啦.
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digtial_sniper
註冊: 2004-11-30
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Re: ~~~ Panasonic DMC-TZ1.... 10x FOLDABLE ZOOM LENS design~~~~ Post time: 2 月 15 日 |
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instead of olympus, i think panasonic really should team up with Fuji .....
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dcnut
註冊: 2003-05-27
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Re: ~~~ Panasonic DMC-TZ1.... 10x FOLDABLE ZOOM LENS design~~~~ Post time: 2 月 15 日 |
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"Should be the world (so far) smallest 10x zoom camera"
Nikon S4 is about the same size and weight.
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d2c
註冊: 2005-05-05
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Re: ~~~ Panasonic DMC-TZ1.... 10x FOLDABLE ZOOM LENS design~~~~ Post time: 2 月 15 日 |
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會員戶口已被刪除,資料已被標示為不顯示
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d2c
註冊: 2005-05-05
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Re: ~~~ Panasonic DMC-TZ1.... 10x FOLDABLE ZOOM LENS design~~~~ Post time: 2 月 15 日 |
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會員戶口已被刪除,資料已被標示為不顯示
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balance01
註冊: 2004-12-03
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Re: ~~~ Panasonic DMC-TZ1.... 10x FOLDABLE ZOOM LENS design~~~~ Post time: 2 月 15 日 |
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d2c, i think prism is less loss than mirror.
(learnt from physic lesson)
:)
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d2c
註冊: 2005-05-05
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Re: ~~~ Panasonic DMC-TZ1.... 10x FOLDABLE ZOOM LENS design~~~~ Post time: 2 月 15 日 |
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會員戶口已被刪除,資料已被標示為不顯示
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balance01
註冊: 2004-12-03
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Re: ~~~ Panasonic DMC-TZ1.... 10x FOLDABLE ZOOM LENS design~~~~ Post time: 2 月 15 日 |
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Besides, please note that the coating under mirror is never really flat. This is uncontrollable in light reflection.
Moreover, there is still loss in pure reflection. The reflected light is always dimmer than the original source.
You can have an experiment using several mirrors (say, 5) for reflection and you will finally find that the final light is less than 50% of the original.
Do you study optical cable?
It uses the principal of refraction, not reflection.
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d2c
註冊: 2005-05-05
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Re: ~~~ Panasonic DMC-TZ1.... 10x FOLDABLE ZOOM LENS design~~~~ Post time: 2 月 15 日 |
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會員戶口已被刪除,資料已被標示為不顯示
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balance01
註冊: 2004-12-03
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Re: ~~~ Panasonic DMC-TZ1.... 10x FOLDABLE ZOOM LENS design~~~~ Post time: 2 月 15 日 |
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其實呢部 Pan dmc-tz1 咪又係潛望鏡?
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hippo
註冊: 2002-06-10
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Re: ~~~ Panasonic DMC-TZ1.... 10x FOLDABLE ZOOM LENS design~~~~ Post time: 2 月 15 日 |
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要高倍光學變焦, 而又要薄身, 潛望鏡似乎是惟一選擇.
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balance01
註冊: 2004-12-03
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Re: ~~~ Panasonic DMC-TZ1.... 10x FOLDABLE ZOOM LENS design~~~~ Post time: 2 月 15 日 |
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how about Nikon S4?
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k1803003
註冊: 2005-05-12
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Re: ~~~ Panasonic DMC-TZ1.... 10x FOLDABLE ZOOM LENS design~~~~ Post time: 2 月 15 日 |
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if S4 have VR system, I believe it would be more 買得
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digtial_sniper
註冊: 2004-11-30
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Re: ~~~ Panasonic DMC-TZ1.... 10x FOLDABLE ZOOM LENS design~~~~ Post time: 2 月 16 日 |
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very disappoint @ Nikon S4's movie mode.....only 15 fps : (
if it has 30fps, also the Aparture 2.8 instead of 3.5, will be a big hit : P
yeah....pretty much the same size ... TZ1 abit shorter.... 2.29 inch tall, vs. S4's 2.7 inch.
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