Why need to use speed booster/focal reducer adapter?

It converts fullframe lenses into APS-C lenses. The advantage is to get the fullfame field of view onto the APS-C sensor.

Feature:

Built-In aperture control for adjusting the amount of light let into your camera.

Increase exposure to 1 stop, and you can use faster shutter speed to shoot an image.Works fine, closely combined with the bayonet smooth, like the original lens.Full manual operation, manual focus, manual iris adjustment can be achieved with body manual exposure, aperture priority exposure, combined infinite focus.

Specification:

• Max. f-stop pass through: 1.4
• Optical design (lenses / groups): 4/3
• Focal length extension: 0.7x
• Image diameter (mm): 28.5
• Bayonet front: 135 full frame lens
• Bayonet back: For Sony NEX / For Fuji X / For Micro 4/3

Note:

You must set the camera to “Shooting without lens” mode to ON before use.Avoid direct shooting to light sources, or otherwise blue spot occurs.

Compatible with:

For Canon EF lens (Not EF-S lens)

For Micro Four Thirds 4/3 Camera

For Panasonic LUMIX GX9 GX85 GX8 GX85 GX7 GX1

G85 G9 G7 G5 G3 G2 G1 G10

GF10 GF8 GF7 GF6 GF5 GF3 GF2 GF1

GH5 GH4 GH3 GH2 GM1

For Olympus OM-D E-M10 III E-M1 II E-M10 II E-M5 II E-M1 E-M5 E-M10

Pen E-PL9 E-PL8 PEN-F E-PL7 E-PL6 E-P5 E-PL5 E-PM2 E-P3 E-PL3 E-PM1 E-PL2 E-PL1 E-P2 E-P1

Package Include:

From USA UK：

• 1 X speed booster/focal reducer lens adapter
• 1 X rear cap
• 1 X body cap