A good product gallery is a sequence of answers, not eight similar pictures. Decide what doubt each frame should remove before creating another asset.
Main packshot
Show the complete product clearly, with a neutral background and a silhouette that remains legible as a thumbnail.
Second angle and detail
Use the second view to reveal depth and hidden elements, then a detail view to justify material quality, mechanism or finish.
Dimension graphic
Show the few dimensions a buyer needs to make a decision. Keep arrows and labels readable and use verified technical values only.
Product infographic
Explain three to five differentiating features. Do not turn one image into the entire instruction manual.
Scale and use context
A real environment or reference object can communicate size and intended use faster than a number alone. Keep the scene physically plausible.
Consistency across the set
Keep crop, perspective logic, typography and colour system consistent. A series looks more professional when every slide clearly belongs to the same product story.