The lyres on the INV-3 are 43mm wide. The lyre's on the INV-6 & INV-7 are 70mm.
If getting in close to use X/Y is essential, the INV-3 would be the practical choice.
On the INV-3, the lyres are Shore 72.
Description: InVision INV-3
Order Code: 041103
Web link: www.rycote.com/products/041103 UK