
Sigma 870956 2.0x Teleconverter TC-2001 Lens
Extend Your Reach with Enhanced Telephoto CapabilityIntroducing the Sigma 2.0x Teleconverter TC-2001, designed for Sigma lenses. This teleconverter doubles the focal length of your lens while maintaining optical quality, featuring SLD glass and a dust and splash-proof design. Magnification: 2.0...
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Extend Your Reach with Enhanced Telephoto Capability
Introducing the Sigma 2.0x Teleconverter TC-2001, designed for Sigma lenses. This teleconverter doubles the focal length of your lens while maintaining optical quality, featuring SLD glass and a dust and splash-proof design.
- Magnification: 2.0x
- Glass Elements: SLD Glass
- Durability: Dust and splash-proof construction
Key Features
SLD Glass
Best Glass
Dust and splash proof
Specifications
Pros & Cons
👍 Pros
- Increases the effective focal length of compatible lenses by 2.0x, allowing you to capture subjects at greater distances.
- Utilizes SLD (Special Low Dispersion) Glass, which is beneficial for reducing chromatic aberrations and enhancing image clarity.
- Constructed with what is described as "Best Glass," suggesting a focus on high optical performance.
- Features a dust and splash-proof design, providing enhanced durability and reliability for outdoor or challenging shooting environments.
- The 2.0x magnification is ideal for photographers needing significant focal length extension without carrying multiple large lenses.
👎 Cons
- The 2.0x magnification typically results in a loss of two stops of light, potentially impacting low-light performance or requiring higher ISO settings.
- This teleconverter requires specific compatible lenses to function, meaning it may not work with all existing camera gear.
- While "Best Glass" is mentioned, detailed specifications of the optical design are not provided to fully assess its quality.
- The dust and splash-proof feature, while beneficial, does not imply full waterproofing or protection from heavy immersion.
- No specific mention of camera mount compatibility is made in the provided features, which is critical for a teleconverter.