The correct answer is: Only conclusion II follows.
The statement says that Company X has a record of manufacturing cameras of quality and the latest design so that you do not spoil even a single shot irrespective of the weather conditions. This does not mean that no other company except X is reputed in the camera industry. It is possible that there are other companies that are also reputed in the camera industry. However, the statement does say that Company X has a record of manufacturing cameras of quality and the latest design so that you do not spoil even a single shot irrespective of the weather conditions. This means that anyone can take an acceptable shot with a camera from Company X.
Conclusion I: No other company except X is reputed in the camera industry.
This conclusion does not follow from the statement. The statement only says that Company X has a record of manufacturing cameras of quality and the latest design so that you do not spoil even a single shot irrespective of the weather conditions. This does not mean that no other company except X is reputed in the camera industry. It is possible that there are other companies that are also reputed in the camera industry.
Conclusion II: Anyone can take an acceptable shot with camera X.
This conclusion does follow from the statement. The statement says that Company X has a record of manufacturing cameras of quality and the latest design so that you do not spoil even a single shot irrespective of the weather conditions. This means that anyone can take an acceptable shot with a camera from Company X.