The autofocus problems of the Tamron 150-600mm G2 include slow and inconsistent focusing, especially in low light conditions or when tracking moving subjects. Some users have reported issues with the autofocus accuracy, with the lens occasionally missing the intended focus point. Additionally, there have been complaints about the autofocus motor being noisy during operation, which can be distracting in quiet shooting environments. Overall, while the lens offers a versatile zoom range and good image quality, its autofocus performance may not meet the expectations of some users. **

Yes, the Tamron 150-600mm lens is compatible with the Canon EOS 450D. The lens uses a Canon EF mount, which is the same mount used by the EOS 450D. This means that the lens will fit perfectly on the camera body and can be used to capture long-range shots with the 450D. **

To remove wall paint from a cork wall, you can start by gently scraping off the paint using a plastic putty knife or a scraper. Be careful not to damage the cork surface while doing this. If scraping alone doesn't work, you can try using a mild solvent like rubbing alcohol or a mixture of water and dish soap to help loosen the paint. Test the solvent on a small, inconspicuous area of the cork wall first to ensure it doesn't damage the material. **

No, a 150-600mm lens has a longer reach than a 100-400mm lens. The maximum focal length of a lens determines its reach, and the 150-600mm lens has a longer maximum focal length of 600mm compared to the 400mm maximum focal length of the 100-400mm lens. This means that the 150-600mm lens can zoom in closer to distant subjects, making it more suitable for capturing faraway objects. **

No, the Canon Extender 2x III EF is not compatible with the Sigma 150-600mm lens. The Canon Extender 2x III EF is designed to work with Canon EF lenses, and it may not fit or function properly with non-Canon lenses such as the Sigma 150-600mm. It is important to use compatible equipment to ensure optimal performance and avoid potential damage to the camera or lens. **

To remove plastic wall plugs from the wall, you can use a few different methods. One way is to use a pair of pliers to grip the plug and then gently pull it out of the wall. Another method is to use a screwdriver to push the plug into the wall, which will loosen it and allow you to pull it out. You can also use a drill to carefully drill a hole into the center of the plug and then use a screw to pull it out. Be sure to proceed with caution to avoid damaging the wall. **

To remove wall paint from an unpainted concrete wall, you can start by using a wire brush or scraper to loosen and remove as much of the paint as possible. Then, you can apply a chemical paint stripper or solvent to the remaining paint, following the manufacturer's instructions. After allowing the stripper to work for the recommended time, use a pressure washer or hose to rinse off the paint and stripper residue. Finally, you can use a concrete cleaner or degreaser to remove any remaining traces of paint and stripper from the concrete surface. **

You may not be able to deactivate or delete your Instagram account if you have recently logged into your account, changed your password, or made any changes to your account settings. Instagram has a security measure in place to prevent unauthorized access to accounts, so you may need to wait a certain period of time before you can deactivate or delete your account. Additionally, if you have violated Instagram's community guidelines or terms of service, your account may be restricted from deactivation or deletion. **