Metabones Contax N to Emount Speed Booster ULTRA 0.71x (MB_SPCN-E-BT1)

Metabones Contax N to Emount Speed Booster ULTRA 0.71x (MB_SPCN-E-BT1)

Specifications

• Product name: Metabones Contax N Lens to Sony E-mount Smart Adapter (MB-CN-E-BT1)
• Dimension: 31.4 x 72.3 x 76.0mm
• Weight: 207g
• Color: Black Satin exterior; Black Matte interior

Electronic Features:

• AF with Contax N mount lens (refer to the above supported lenses list for details)
• 5-axis in-body image stabilization on A9, A7 Mark III series, A7 Mark II series and A6500.

Optical Features:

• Advanced 5-element/4-group optical design incorporating ultra-high index tantalum-based optical glass by Caldwell Photographic in the USA (patent granted).
• Increase maximum aperture by 1 stop.
• Increase MTF.
• Makes lens 0.71x wider.
• Felt material flocked inside to reduce internal reflections.

Rubber gasket protects E-mount connection from dust and moisture.

Tripod Mount: Detachable and compatible with Arca Swiss, Markins and Photo Clam ball heads.

• PDAF support*

  A9 II, A9, A7R IV, A7R III, A7S III, A7III, A7R II, A7II, A6600, A6500, A6400, A6300

  * Contax N lenses are not compatible with contrast-detection autofocus mirrorless cameras - no AF support for E-mount cameras other than the models listed above.

• IBIS support (full 5-axis in-body image stabilization) **

  A9 II, A9, A7R IV, A7R III, A7 III, A7RII, A7II, A7SIII, A6600, A6500

  ** Contax 645 Makro-Planar 4/120 lens does not report distance information and supports only 3-axis in-body image stabilization

Lens Compatibility Chart

When using the Contax N to E Speed Booster ULTRA on a full-frame E-Mount camera such as the A9 and the A7 series, it is required to be set to APS-C mode or Auto sensor size. The Speed Booster ULTRA is designed for APS-C format.