The Promaster Spectrum 7 Auto Extension Tube Set Canon EF is a high-quality macro accessory designed to turn your standard Canon EF/EF-S lenses into powerful close-up tools.
Unlike basic manual tubes, this DG version features full electronic contacts, allowing autofocus and aperture control to work seamlessly between your camera and lens.
Perfect for macro photography such as insects, jewelry, textures, and product shots.
 
Key Features
🔍 Macro Conversion Turns any compatible lens into a macro lens
Full Electronic Contacts (DG) Supports AF & Auto Exposure
📷 Modular Tube System Use individually or stack for higher magnification
🪄 No Optical Elements Maintains original image quality
🛡 Metal Mount Construction Strong and durable fit
 
📊 Technical Specifications
Mount Type: Canon EF / EF-S
Tube Sizes: 12mm, 20mm, 36mm
Connectivity: Full electronic (AF + aperture control)
Material: Metal mounts
 
📦 Whats Included
12mm Extension Tube
20mm Extension Tube
36mm Extension Tube
Front Cap
Rear Cap
 
🛠 Condition
Excellent condition
 
🎯 Ideal For
Macro photography 🐜
Product photography 📦
Jewelry & detail shots 💍
Creative close-up work 📸