question about crop and full frame?

Started 10 months ago | Questions thread
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ak1981 Regular Member • Posts: 394
question about crop and full frame?


I want to know something about full frame and crop sensor.

lets say i used 50mm lens on Sony A77/A77 II or Sony A68 as this is crop field of view would 50mm x 1.5= 75mm. if 24MP, 6000px longer side.

The same lens used in A99/A99 II and Crop mode is on. it changed into crop sensor and field of view would 50mm x 1.5= 75mm too. the size reduce and it around 4000px longer side.

I know the size reduction would be there but how about quality? which camera gives better quality? the crop one or the crop converted full frame one?

if crop gives better quality then it wont make much sense to use crop lens and crop mode on FF, if FF gives better result than its smart choice to buy FF and use both FF and Crop lens? The different is only pixel size.

Am i wrong? right? so much confusion any one know the reality any experience would be helpful.

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Afzal Khan
Kathmandu, Nepal

 ak1981's gear list:ak1981's gear list
Sony Alpha a99 Sony 50mm F1.4 Tamron SP 90mm F2.8 Di VC USD 1:1 Macro (F004) +2 more
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