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Product Description
Enhance your reach with optical precision. The compact RF Extender 2X features 9 elements in 5 groups, measures just 71.2 × 39.3 mm (2.8 × 1.5 in), and weighs 340 g (12 oz). It adds a 2-stop light loss while delivering superb image quality with minimized chromatic aberration, ghosting, and overheating. Fully compatible with birding and sports telephotos like RF 400 mm F2.8, RF 600 mm F4/11, RF 800 mm F5.6/11, RF 100‑500 mm F4.5‑7.1, RF 200‑800 mm F6.3‑9, and RF 100‑300 mm F2.8 lenses—all with retained autofocus, metering, and stabilization.
Specifications
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Model Number: 4114C002
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Magnification Factor: 2.0× (doubles focal length)
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Light Transmission: Loses 2 stops of light (e.g., f/4 becomes f/8)
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Optical Construction: 9 elements in 5 groups, optimized coatings to minimize chromatic aberration, ghosting, and overheating
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Mount Type: Canon RF mount, retains full communication for autofocus, metering, image stabilization, and EXIF transmission
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Dimensions: Approximately 2.8 in (71.2 mm) diameter × 1.5 in (39.3 mm) length
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Weight: Around 12 oz (340 g)
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Exterior: Heat-shield white coating, dust- and water-resistant build
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Compatibility Highlights:
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RF 100–500 mm f/4.5–7.1 L IS USM
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RF 400 mm f/2.8 L IS USM
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RF 600 mm f/4 L IS USM / f/11 IS STM
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RF 800 mm f/5.6 L IS USM / f/11 IS STM
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RF 1200 mm f/8 L IS USM
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RF 200–800 mm f/6.3–9 IS USM
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In the Box: Extender RF 2X, front and rear caps, LP811 lens case, two-year Canon warranty
Frequently Asked Questions
No. When used with high-end RF primes like the 400 mm F2.8 or 100‑300 mm F2.8, image quality remains excellent with minimal loss.
A 2× × teleconverter reduces light by 2 stops. For example, an RF 100‑500 mm F4.5‑7.1 lens becomes approximately F9‑14.
Yes—full autofocus, image stabilization, metering, and EXIF data transmission are maintained throughout.
Absolutely—designed to withstand dust and moisture, with a rugged heat‑shield exterior.
Works with RF 400 mm F2.8 L IS USM; RF 600 mm F4/11 IS STM; RF 800 mm F5.6/11; RF 100‑500 mm F4.5‑7.1 L; RF 200‑800 mm F6.3‑9; RF 100‑300 mm F2.8 USM; RF 70‑200 mm F2.8 Z. Always check lens manual for full compatibility.
