Canon EF-S 18-55mm vs Tamron SP AF 17-50mm

[m4az]

سلام !

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Tamron SP AF 17-50mm

Canon EF-S 18-55mm
8)

[snnamagh]

salam
hamoontor ke midoonid dar morede in lens ( tamron 17-50 f2.8 ) matalebe ziadi dar website ha va froum haye mokhtalef neveshte shode. man khodam, moddate ziadi ghabl az in ke in lens ro bekharam raje behesh tahghigh kardam. ba tamame inha rastesh man khodam ham faghat be arzyabi ha va nazarate afrad tooye website ha ektefa nakardam. vaghti ke lens ro daryaft kardam roosh azmash haye ziadi anjam nadadam. Baraye azmayesh lens haye zir ro dar sharayete kamelan yeksan moghayese kardam:

1- Tamron 17-50 f2.8 XR
2- Sigma 18-50 f2.8 DC EX (not macro version)
3- Canon EFS 18-55 f3.5-5.6

Nataayej shakhsi man bar mabnaaye nemoonehayee ke dashtam:

1- do lens tamron va sigma keyfiate kheyli shabitari nesbat be ham dashtand va dar majmoo har do behtar az canon.
2- behtarin khosoosiat tamron in bood ke dar tamame renge 17-50 hatta dar f2.8 betore ghabele ghabooli sharp bood. az lahaaz moghayese mitoonam begam ke vozoohe tasvir dar noghaate mokhtalefe aks (markaz va gooshe haye mokhtalef ) dar tanzimate entehayee mesle 17-18mm ya 50mm va f3.5 tamron va sigma har do behtar az canon boodand. har chand ke in tafaavot dar morede tamron va sigma dar moghayese ba yek digar kamtar ehsas mishod, vali baz ham tamron dar morede vozooh dar goosheha va kenarehaye tavir az sigma andaki bahtar amal kard.
3- dar morede "Distortion" tamron ashkara az har do lens digar behtar amal kard (dar tamaame renge 17-18 ta 50mm)
4- Na gofte namanad ke albateh dar tanzimati mesle 24-35mm va f8,f11 va dar nazar gereftan navahi markazi aks, taghriban besyar moshkel bood ke beshe goft koddom lens sharp tare (hatta canon ham be khoobie Tamron va Sigma bood.
5- nokteye digar inke har chand 17mm va 18 mm kheyli tafavote kami darand, vali amalan agar be lenz wide ehtiaj darin oono daste kam negirid. man khodam shakhsan onno tajrobe kardam va dar amal mishe goft 17mm tamron be nesbate 18mm sigma ya canon yek tafaavote mahsoos va dar vaghe yek maziat ghabele tavajohe.
MA'AYEBE TAMRON:
1-taghriban lense por saro sedayee be nesbate 2 lense dige hast. har chand ke taghriban daram be sedash aadat mikonam va gahi vaghta ke tooye mohite biroon aks migiram dige khodam ham motevagehe sedash nemisham. vali be har hal fek nemikonam ke tooye ye concerte mosighi age bekhain aks begirin tavagohe afrade kenaritoon roo be khodesh jalb nakone!!
2-dar halate moghayese, akshaye in lens ghadri be nesbate har do lense sigma va canon tire tar hastand( ba tanzimate va sharayete noori kamelan yeksan)

Rooye ham rafte man az lens tamron razi tar az 2 lens Canon va Sigma boodam va lens sigma ro ham pas ferestadam.

Chand nokteye digar:

1-Baraye tamaame akshayee ka jahate moghayeseye lens ha gefereftam az lavaazem va sharayete zir ro bekar bordam ta ehtemale khataa kamtar beshe:
1- Remote control: Canon RS-60E3
2-tripod: bogen 3001, head 3030
3- mirror lock up (baraye hameye aks ha)

2- har chand ke man lens tamron ro az yek forooshande dar JAPAN sefaaresh dadam az khode Japan baram ersaal shod, vali jaalebe ke bedoonin rooye ghesmate tahtani badaneye lens kamrang neveshte shode: " Assembled in China". bad ham vaghti ke be yeki az frooshgah haye digar tooye shahre khodemoon moraje kardam va yek nemoone az tamron 17-50 roo didam, oon ham hamin ro neveshteh bood. dar haali ke man tooye tablighaat bazi website ha didam ke rooye badane besoorate vazeh neveshteh shode "Made in JAPAN" be har hal shayad nashe natije giri kard ke lozooman noskheye Japoni bahtare, vali onoo matrah kardam ke bedoonin.

3- ye nokteye dige ke motmaen hastam khodetoon ham midoonin vojoode f2.8 dar tamaame renge 17-50 baraye tamron hast ke dar bazi sharaye noori vaghean komake bozorgie.

agar maayel be didan nemooneye azmayesh ha boodid mitoonam baratoon ersaal konam.

ba tashakkor
Sh.N

(mibakhshid ke natoonestam az horoofe farsi estefaade konam
)

[EHSAN2]

سلام...
فکر کنم این لنز بیش از قیمتش ارزش داشته باشه:
http://www.the-digital-picture.com/R...mp=0&APIComp=0
و خیلی بالاتر از canon 18-55 f3.5-5.6 باشه
http://www.photozone.de/8Reviews/len...ikon/index.htm
و همچنین بهتر از 18-50 f2.8 sigma
و فقط ca زیادی داره
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