Crop sensor vs Full Frame for Wildlife/Birds

Started Jul 4, 2014 | Discussions thread
Calico Jack Senior Member • Posts: 2,306
Re: Crop sensor vs Full Frame for Wildlife/Birds

Ahoy!

The images have around 75% dead space so need cropping.  What are the 100% crops like in terms of IQ?  It's likely not the camera, it's the lens (over 300mm it basically isn't good at all unless the subject is static).  If these are over 300mm, then IQ will take a big hit (especially with moving subjects) as AF speed even in CAF mode in addition to the low aperture due to lens design isn't conducive for such shooting and locking AF can be very hit and miss.  You'll be better off with either a Tokina 300/4, Sigma/Minolta 300/2.8 or Tokina/Sigma 100-300/4 and maybe a 1.4x TC.

I would bin the A77M2 and the SAL 70-400mm and get a cheaper superior optic (of which there are several options).

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Mark (aka Pirate!)

 Calico Jack's gear list:Calico Jack's gear list
Sony Alpha DSLR-A850 Konica Minolta Maxxum 7D Sony Alpha DSLR-A100 Sony DT 11-18mm F4.5-5.6 Tamron SP AF 90mm F/2.8 Di Macro +26 more
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