Check the listing for details. Aetna Series VII To 52mm. Condition: New. Listed at 9.95 USD. This Aetna Series VII To 52mm filter holder is a must-have for any photography enthusiast. Designed to securely hold your favorite filters, this holder is compatible with a variety of cameras and lenses. Its durable construction ensures that your filters stay secure and protected, while its compact size makes it easy to carry around. Whether you're a professional photographer or just starting out, this filter holder is a great addition to your gear. Its sleek design and sturdy build make it a reliable choice for keeping your filters safe and secure. So why wait? Order now and take your photography to the next level!