A bottle of champagne & glasses are never the easiest of subjects to photograph under strobe lighting in a studio environment mainly because of reflections.
In this shot the use of one light positioned relatively close to the product to the right with a softbox fitted to diffuse the light gave even illumination.
A white card was positioned to the left of the product to bounce light back on the subject giving an even glow.
It is well documented that the Canon 135mm f2L lens is ultra sharp – I believe this image is proof of that.
Shot with the canon 5D III with a 135mm f2.0L lens. 1/25th @ f8. ISO 250