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Rokinon SP 10mm F3.5 Lens User Manual

Quick guide for the Rokinon SP 10mm F3.5 lens. Includes instructions on attaching and detaching the lens, manual focusing techniques, cleaning procedures, and technical specifications for Canon and Nikon mounts.

Table of contents

Quick guide from the manual

The Rokinon SP 10mm F3.5 is a high-performance, super wide-angle lens designed for Canon and Nikon cameras. This manual provides essential safety, installation, and maintenance instructions. Always ensure the camera is turned off before attaching or detaching the lens. Due to the extreme wide-angle nature of this lens, manual focusing requires care; utilize your camera's focus confirmation or Live View magnification features for the best results.

Safety Cautions

  • Sunlight Warning: Never look directly at the sun through the lens, as it may cause permanent vision impairment.
  • Mounting: Do not apply excessive force when attaching the lens. Ensure it clicks into place to prevent it from detaching.
  • Environment: Protect the lens from water, high humidity, and extreme temperatures.
  • Temperature Changes: Avoid drastic temperature changes to prevent condensation or mold. If moving from cold to warm, place the lens in a sealed bag until it reaches room temperature.
  • Maintenance: Do not modify or attempt to repair the lens, as this will void the warranty.

Attaching and Detaching the Lens

Attaching:

  1. Remove the rear lens cap and the camera body cap.
  2. Align the red dot (Canon) or white focusing scale line (Nikon) on the lens with the index mark on the camera mount.
  3. Insert the lens and rotate clockwise (Canon) or counterclockwise (Nikon) until it clicks and locks. Do not insert at an angle.

Detaching:

  1. Attach the front lens cap.
  2. Hold down the lens release button on the camera body.
  3. Rotate the lens counterclockwise (Canon) or clockwise (Nikon) until it stops, then separate it from the body.

Focusing

Achieving optimum focus with an extreme wide-angle lens can be difficult with the unaided eye. Use the following methods:

  • Manual Focus (MF): Set your camera to "MF" mode. Rotate the focusing ring until the focus confirmation indicator in the viewfinder lights up or the subject appears sharpest.
  • Live View: Use the magnifying feature of "Live View" on your camera's LCD screen to adjust the focus ring until the image is sharpest.

Cleaning

Proper maintenance is crucial to prevent scratches and damage:

  • Dusting: Use a lens blower or soft brush to remove grit before wiping.
  • Wiping: Use a clean microfiber cloth and wipe in a circular motion from the center outwards.
  • Stubborn Spots: Use one or two drops of ethanol or reputable lens cleaner on the cloth.
  • Prohibited: Do not use organic solvents such as paint thinner, alcohol, or benzene.

Specifications

The lens features 18 elements in 11 groups, including 3 Aspherical, 3 Extra Low Dispersion, and 1 High Refractive Index element. The aperture range is F3.5 to F22, with a minimum focusing distance of 10.2 inches (0.26m). The lens is available in Canon EF and Nikon F mounts.

Contact

For support, contact Elite Brands Inc. at 800.441.1100 or 212.947.7100. You can also reach out via [email protected] or visit rokinon.com.

Manufacturer information

Rokinon

Brand profile

Practical help

Common problems

Difficulty achieving sharp focus

Use the camera's Focus Confirmation indicator or the 'Live View' magnification feature to ensure the subject is sharp.

Condensation or mold inside the lens

Avoid drastic temperature changes. When moving from cold to warm environments, seal the lens in a bag until it warms up to room temperature.

Lens not communicating with camera

Ensure the lens is properly mounted and that the electronic contacts on the mount are clean and free of contamination.

Before use

  • Remove the rear lens cap and camera body cap.
  • Set the camera's focus mode to 'MF' (Manual Focus).
  • Ensure the lens clicks into place when mounting.
  • Dust off the lens surface with a blower or brush before cleaning.
  • Store the lens with the cap on in a dry, well-ventilated area.

Specs in practice

Angle of View
130° (Full Frame), 104° (Canon APS-C), 107.3° (Nikon APS-C).
Aperture Range
F3.5 to F22, allowing for control over depth of field and light intake.
Minimum Focusing Distance
10.2 inches (0.26m) from the image sensor to the object.

Model compatibility

  • Available for Canon EF and Nikon F mounts.
  • Supported functions may vary depending on the specific camera model.

Manual page author

Michael Turner

Technical manual editor

Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.