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Sigma 150-600mm Contemporary + 1.4x extender vs Canon RF800mm F11

Started 3 months ago | Questions thread
rmexpress22 Senior Member • Posts: 2,304
Re: Sigma 150-600mm Contemporary + 1.4x extender vs Canon RF800mm F11

My Sigma softens up above 300mm, and is acceptable, but softer at 500-600mm. The 1.4x III TC makes it pretty soft wide open at 600mm. The advantage of the Sigma is the versatility, not necessarily the sharpness. I've seen a lot of sharp, good shots with both the Canon 600mm and the 800mm. It's hard to knock the lenses at f/11 for what they deliver.

 rmexpress22's gear list:rmexpress22's gear list
Canon EOS 5D Mark IV Canon EOS M6 Canon EF-M 22mm f/2 STM Sigma 85mm F1.4 Art Canon PowerShot G16 +20 more
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