Compatibility Check: Is Sony a9 III and Sony E 18-200mm F3.5-6.3 PZ OSS compatible?

Below you will find your chosen camera and lens with a short product summary. Further down you will see details around their compatibility, if they are compatible or not.

Can you combine these two?

Last updated: December 2024

This is the short answer:

The camera and lens you have chosen might work but in a cropped mode since the lens is constructed for a smaller APS-C sensor.

Cropped Mode and Lower Resolution

This lens has focal length:
18-200 mm

You will experience:
27-300 mm

Using a lens constructed for an APS-C sensor can result in the resolution being lower than the 25,2 MP that the Sony a9 III has.

Focal Length

The Sony camera has a sensor of type Full frame which means that your experienced Focal length will be the same as the lens specification tells us.

This lens has focal length:
18-200 mm

Since Sony a9 III does not have a Full Frame sensor the experienced focal length you will experience will be:
27-300 mm

Total weight

When you are looking at a combination of a camera and a lens you must always consider the total weight. Each product weighs in at:

Sony a9 III
617 gram

Sony E 18-200mm F3.5-6.3 PZ OSS
649 gram

Together they have a total weight of 1266 gram (equal to 2.79 lb).

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Validation Status: Valid
Valid Camera: Yes
Valid Lens: Yes
Compatible: 3
Compatibility Check ID: 3303

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