The Sony a73 camera already has a Canon 70-200 lens. Is it necessary to choose the same model of Sony lens?

Sony a73 is a Sony E-mount mirrorless body.

The Canon 70-200 lens is a Canon EF mount SLR lens.

This body and this lens have different bayonet mounts, so they cannot be used directly together and can only be connected through an adapter. Compatibility issues may arise when using an adapter ring to match the camera body with a lens. Or, there may be a problem that some functions of the lens cannot be used...for example, today's anti-shake function cannot be used, or even the autofocus function of the lens cannot be used in some cases, etc.

Therefore, the result of lens transfer may be a decrease in user experience, or even affect the user's normal shooting.

So, the best way to use a SLR or mirrorless camera is to use the original lens with the camera body. This can achieve the best compatibility, allowing all functions of the body and lens to be fully utilized, and get the best use experience.

Of course, there may not necessarily be compatibility issues when using a Sony mirrorless body with a Canon SLR lens adapter. If the various functions of the body and lens can be used normally after being transferred, then such an transfer is a very cost-effective thing... When you have photographic equipment from different manufacturers, you can use the transfer to give full play to the equipment. Maximum potential, can save a lot of expenses.

As for the performance difference between this year’s 70-200 lens and the Sony lens of the same model, you don’t have to worry too much... Both are large triple-level zoom lenses, and they are both top-notch lenses. , the image quality is very good, and the performance gap between them is very small. Therefore, as long as the lens in your hand can be used normally, there is no need to choose another lens of the same model from another manufacturer... You can use this Invest your budget in another lens to get a better experience.