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| DT 18-250 and Minolta 100-200mm | |
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| Tweet Topic Started: Mar 16 2011, 09:28 PM (2,079 Views) | |
| blaz7 | Mar 16 2011, 09:28 PM Post #1 |
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Alpha Happy Member
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I am just very puzzled why does the my 18-250mm @ 250mm looks shorter than my Minolta 100-200mm @ 200mm? Is there something wrong with my 18-250mm or is there something special with the 100-200mm? Anyone has tested either one or both of these lenses? DT 18-250 @250mm ![]() Minolta 100-200mm @200mm
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| My Flickr | |
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| Long | Mar 17 2011, 12:39 PM Post #2 |
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Alpha Newbie
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It could be the max. magnification at the zoom end for the minolta is better ? im not so sure. |
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A850/ Tamron 2875 F2.8/ Minolta 70210 F4/ Minolta 50 F1.7/ Hvl58am Flickr | |
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| blaz7 | Mar 17 2011, 04:41 PM Post #3 |
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Alpha Happy Member
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Never heard of anything like you mentioned, to me 250mm should show me a bigger object than 200mm when shooting from the same spot using the same camera. |
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| cjng | Mar 17 2011, 06:05 PM Post #4 |
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Emeritus Alphadslr Official Passerby~shooting badly since 2004 and continuing
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It was discussed before on the net. Can't recall exactly which site |
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My Fotogallery Hello CZ! bye bye G! | |
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| blaz7 | Mar 17 2011, 06:11 PM Post #5 |
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Alpha Happy Member
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So do you remember their findings? I tried googling last night but could not find anything regarding this topic hence I decided to post here. |
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| cjng | Mar 17 2011, 07:01 PM Post #6 |
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Emeritus Alphadslr Official Passerby~shooting badly since 2004 and continuing
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Can't recall it word for word vaguely recall It something to with the smaller image circle of the digital Lens vs the larger ff lens. |
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My Fotogallery Hello CZ! bye bye G! | |
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| blaz7 | Mar 17 2011, 08:37 PM Post #7 |
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Alpha Happy Member
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Some discussion i am having in flickr |
| My Flickr | |
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| cjng | Mar 18 2011, 12:48 AM Post #8 |
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Emeritus Alphadslr Official Passerby~shooting badly since 2004 and continuing
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i in the wrong, the symptom is knw as breathing http://en.wikipedia.org/wiki/Breathing_%28lens%29 http://www.flickr.com/groups/356195@N23/discuss/72157626009166844/ |
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My Fotogallery Hello CZ! bye bye G! | |
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| blaz7 | Mar 18 2011, 06:15 AM Post #9 |
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Alpha Happy Member
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Thanks for finding this out.
Edited by blaz7, Mar 18 2011, 06:15 AM.
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| My Flickr | |
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| tuckloong | Mar 18 2011, 09:04 AM Post #10 |
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Alpha Newbie
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Ya breathing at close focus...infinity should be ok ok de... |
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18_250.jpg (118.14 KB)




3:03 AM Jul 12