Canon RF-S 7.8mm F4 STM DUAL Instructions Manual
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Canon RF-S 7.8mm F4 STM DUAL Instructions Manual

Canon RF-S 7.8mm F4 STM DUAL Instructions Manual

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Instructions
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Summary of Contents for Canon RF-S 7.8mm F4 STM DUAL

  • Page 1 Instructions...
  • Page 2 Thank you for purchasing a Canon product. Canon RF-S7.8mm F4 STM DUAL is a 3D Camera Firmware and image production lens for use with EOS R series Camera Applications cameras compatible with RF-S lenses. Please use the latest versions of firmware and To get the most from your lens, we recommend applications with the camera in use.

  • Page 3: Safety Precautions

    Safety Precautions Precautions to ensure that the camera is used Details pertaining to risks that may Caution safely. Read these precautions thoroughly. Make result in injury or damage to other sure all details are observed in order to prevent objects. risks and injury to the user and other people.
  • Page 4 Safety Precautions Be sure to follow the instructions carefully Details pertaining to risks that may Caution when viewing 3D images. result in injury or damage to other objects. Details pertaining to risks that may Warning Those who cannot see the images clearly result in death or serious injury.

  • Page 5: General Precautions

    General Precautions Handling Precautions Shooting Precautions Do not leave the product in excessive heat such as Focus again after recovering from the auto power in a car in direct sunlight. High temperatures can off status. cause the product to malfunction. To maintain the focus position in the shooting-ready If the lens is taken from a cold environment into a status, set [Auto power off] to [Disable] on the...
  • Page 6 This device complies with Part 15 of the FCC Rules. CAN ICES-3 (B) / NMB-3 (B) Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
  • Page 7 Nomenclature Left-right focus difference adjustment mode switch (→ 11) Lens mount index (→ 7) Filter mounting thread (→ 13) Right lens (→ 10) Left lens (→ 10) Contacts (→ 7) Focusing/Control ring (→ 8) Lens mount (→ 7) For detailed information, reference page numbers are provided in parentheses (→ **). ENG-6...

  • Page 8: Attaching And Detaching The Lens

    1. Attaching and Detaching the Lens Lens mount index Set the camera’s power switch to OFF when attaching or detaching the lens. Attach the lens cap before detaching the lens from the camera. After detaching the lens, place the lens with the rear end up and attach the dust cap to prevent the lens surface and contacts from getting scratched.
  • Page 9 2. Focusing/Control ring Use as a Focusing Ring The focusing/control ring can be used as either a focusing ring or a control ring. Set the focus mode (AF/MF) on the camera. To shoot in autofocus (AF) mode, set the Focusing/Control ring camera’s focus mode to [AF].
  • Page 10 Focusing/Control ring The lens does not have a focus mode switch or This lens’ focusing/control ring is electronic. a focusing/control selector switch. It is possible to set cameras that support Delayed focus may occur if the focusing ring electronic fulltime manual focusing to manual (focusing/control ring) is quickly turned.
  • Page 11 3. Checking/adjusting left and right focus Checking Left and Right Focus When first mounting this lens on the camera, or when using it after being transported for an extended period, use the following steps to check the difference between left and right focus. Display an enlarged image from the Switch to an enlarged image from the left lens, then either use the camera’s...
  • Page 12 Checking/adjusting left and right focus Adjusting left and right focus Leaving the enlarged image from the right lens showing, adjust using the following steps. Left-right focus difference adjustment mode switch Focusing/Control ring Slide the left-right focus difference Turn the focusing/control ring to adjust. adjustment mode switch to the ADJUST side.
  • Page 13 Checking/adjusting left and right focus If the right lens focus goes notably out of range while correcting for focus differences in the left and right lenses, slide the left-right focus difference adjustment mode switch back and forth three times within 6 seconds, starting from the ADJUST side.
  • Page 14 4. Filters (Sold separately) You can attach filters (Φ58) to the filter mounting thread on the front of the lens. Only one filter may be attached. If you need a polarizing filter, use the Canon Circular Polarizing Filter PL-C B. ENG-13...
  • Page 15 5. Exposure Photographing with AE (auto exposure) is possible at all focusing distances even with this lens attached. AE metering range is restricted to within the image circle in the left lens. Using this lens for flash photography on close-up subjects can cause very inaccurate AE exposure measurements.

  • Page 16: Specifications

    Specifications Focal Length/Aperture 7.8mm f/4 Lens Construction 7 groups, 9 elements (per optical system) Maximum Aperture Minimum Aperture f/16 Angle of View Horizontal: 63°, Vertical: 63°, Diagonal: 63° Min. Focusing Distance 0.15 m/0.49 ft. Max. Magnification 0.07x Baseline Length (Central point between left and Approx.
  • Page 17 The maximum diameter, length and weight listed are for the lens itself only. Close-up Lens 250D/500D cannot be attached because there is no size that fits the lens. You cannot use extenders. All data listed is measured according to Canon standards. Product specifications and appearance are subject to change without notice. ENG-16...
  • Page 18 CT1-D360-A 0624Ni © CANON INC. 2024...

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