XCD 20-35E - FAQ


What is a leaf shutter? How does it work?

The leaf shutter is built into the lens structure. Its most significant advantage is that it can achieve flash synchronisation at all speeds (e.g., flash sync speed of up to 1/2000s). This helps capture fast-moving subjects when a flash is used and is also helpful for wide-aperture portraits in strong lighting conditions or outdoors. Due to the special design of the leaf shutter, it generates significantly reduced vibration when triggered, efficiently producing quality shots.

For cameras with a focal-plane shutter, when using flash, the shutter speed is limited to 1/125s or 1/250s, posing restrictions for creativity.


Does the XCD 3,2-4,5/20-35E lens support full MF?

Yes. Full-time manual focus is always available. Adjust the focus ring at any time, regardless of whether you use AF or MF mode.


How do I correct lens distortions?

Distortions can be corrected in Phocus or other image-processing software for more accurate optical effects. The camera itself does not support lens correction.


What is the equivalent focal length of the XCD 3,2-4,5/20-35E lens?

The equivalent focal length is approximately 16-27mm.


What is the optical structure of the XCD 3,2-4,5/20-35E lens?

Sixteen elements in twelve groups, including three aspherical elements.


What focus motor does the XCD 3,2-4,5/20-35E lens use?

A stepping motor.


What is the focus type of the XCD 3,2-4,5/20-35E lens?

Internal focusing.


What are the weight and size of the XCD 3,2-4,5/20-35E lens?

XCD 3,2-4,5/20-35E weighs 805g and measures 81 × 117mm. For more details, refer to the datasheet.


What is the filter diameter of the XCD 3,2-4,5/20-35E lens?

XCD 3,2-4,5/20-35E adopts a filter thread with a diameter of 77mm, which supports installing all types of 77mm-diameter filters.


What is the ingress protection rating of the XCD 3,2-4,5/20-35E lens?

XCD 3,2-4,5/20-35E includes some sealing at the seams, but it is not rated for dust or water resistance. It is recommended to avoid using this lens in dusty or wet conditions.