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OLYMPUS M.Zuiko Digital ED 300mm F4 IS PRO Lens Instruction Manual

OLYMPUS M.Zuiko Digital ED 300mm F4 IS PRO Lens FEATURE

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OLYMPUS M.Zuiko Digital ED 300mm F4 IS PRO Lens

OLYMPUS M.Zuiko Digital ED 300mm F4 IS PRO Lens PRODUCT

About Olympus

Olympus Corporation is a Japanese multinational corporation specializing in manufacturing and selling optical and imaging products, medical equipment, and scientific equipment. The company has a long history and has significantly contributed to various fields, including photography, medical imaging, and scientific research.


Thank you for purchasing this Olympus product. To ensure your safety, please read this instruction manual before use, and keep it handy for future reference.

Names of partsOLYMPUS M.Zuiko Digital ED 300mm F4 IS PRO Lens-FIG 1

  1. Distance indicator
  2. Focus ring
  3. Focus limiter switch
  4. IS switch
  5. L-Fn button
  6. Decoration ring
  7. Tripod mount
  8. Lens hood

Changing focus methods

Change between AF/MF by sliding the focus ring.

  • A:  Position in which distance indicator cannot be seen AF/MF You can switch between AF/MF by using the camera’s settings.
  • B:  Position in which distance indicator can be seen MF AF does not operate. Rotate the focus ring to adjust the focus.

Focus limiter switch

Sets the range of the photographing distance. Focusing is done within the range that is set.

IS switch

  • ON:  Stabilizing functions in the lens and camera operation. The IS operates according to the IS setting in the camera.
  • OFF:  Stabilizing functions in both the lens and camera are off.

About the stabilizing functions

Please use the latest firmware for the camera. The operation of this function will change in the following cameras. For more information, please visit our home page.

  • E-M5, E-M10 series, E-P series, E-PL series, E-PM series

Contact the other manufacturer to mount the lens on another manufacturer’s digital camera.

L-Fn button

The AF stops functioning when the button is pressed.

Removing the tripod mount and attaching the decoration ring

  • Removing the tripod mount: Turn the knob of the tripod mount to the left to loosen it 1. Turn the tripod mount to the left, align it with mark 2, and remove it from the lens body 3.
  • Attaching the decoration ring: Align the marks and insert the decoration ring 1, then turn it to the right until it stops (until you hear it snap) 2.

How to use the lens hood

  • Pull it outward until it stops 1, and then turn it to the right 2.
  • The lens hood cannot be removed from the lens.

Notes on Shooting

  • Edges of pictures may be cut off if more than one filter is used or if a thick filter is used.
  • When using a flash, the flashlight may be blocked by the lens body, lens hood, etc.
  • The focus distance may change when the focusing method is switched from MF to AF/MF and then back to MF. Readjust the focus distance.
  • The distance indicator is intended as a guide only.
  • Usage conditions may lower the number of images that can be captured.
  • Do not hold only the camera body without holding the lens. The waterproofing characteristic or optical performance may not be maintained.

Main Specifications

  • Mount: Micro Four Thirds mount
  • Focal distance:  300 mm (equivalent to 600 mm on a 35 mm camera)
  • Max. aperture: f4.0
  • Image angle: 4.1°
  • Lens configuration:  10 groups, 17 lenses
  • Iris control: f4.0 to f22
  • Shooting range:  1.4 m (55.1 in.) to ) (infinite)
  • Focus adjustment: AF/MF switching
  • Weight: 1,270 g (44.8 oz.) (excluding cap, tripod mount, and decoration ring)
  • Dimensions: Max. dia. Ø 92.5 (3.6 in.) × length 227 mm (8.9 in.)
  • Lens hood: Internal
  • Filter mount thread diameter:  Ø 77 mm (3.0 in.)

Can be used with the MC-14

  • Specifications are subject to change without any notice or obligation on the part of the manufacturer.


Be Sure to Read the Following

 Warnings: Safety Precautions

  • Do not view the sun through the lens. It may cause blindness or vision impairment.
  • Do not leave the lens without the cap. If solar light is converged through the lens, a fire may result.
  • Do not point the camera lens at the sun. Sunlight will converge in the lens and focus inside the camera, possibly causing a malfunction or fire.

Micro Four Thirds and the Micro Four Thirds logo are trademarks or registered trademarks of OLYMPUS CORPORATION.

For customers in North America, Central  America, South America, and the Caribbean

FCC Notice

This device complies with part 15 of the FCC rules. 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.

Any unauthorized changes or modifications to this equipment would void the user’s authority to operate. This Class B digital apparatus complies with

  • Canadian ICES-003. CAN ICES-3(B)/NMB-3(B)

Technical Support

(U.S.A. / Canada)

For customers in EuropeOLYMPUS M.Zuiko Digital ED 300mm F4 IS PRO Lens-FIG 2

  • The “CE” mark indicates that this product complies with the European requirements for safety, health, environment, and customer protection. CE-mark products are for sale in Europe.

OLYMPUS M.Zuiko Digital ED 300mm F4 IS PRO Lens-FIG 3

  • This symbol [crossed-out wheeled bin WEEE Annex IV] indicates a separate collection of waste electrical and electronic equipment in the EU countries.
  • Please do not throw the equipment into the domestic refuse.
  • Please use the return and collection systems available in your country for the disposal of this product.

European Technical Customer Support

FAQS About OLYMPUS M.Zuiko Digital ED 300mm F4 IS PRO Lens

What is the Olympus 300mm f4 Pro’s minimum focus distance?

1.4 m

What are some uses for 300mm lenses?

a big, bulky telephoto lens for photographing birds or aircraft.

Describe a Zuiko lens.

Olympus Corporation produced optical lenses under the Zuiko brand, which were popular up until and during the Four Thirds system era.

What distinguishes Zuiko lenses from M Zuiko lenses?

While Olympus Zuiko symbolizes previous medium format and 35mm film lenses as well as the defunct Four Thirds standard, M. Zuiko Digital lenses are for the current Micro Four Thirds format.

How far can the attention be focused?

a depth of field’s outermost boundary is set to infinity.

What is a lens’ maximum focusing distance?

Most lenses can focus at infinity (have an infinite maximum focus distance).

Can a 300mm lens see very far?

56.5 yards

Which lens works best for distance shots?

optical zoom

A 300mm lens can magnify how many times?

Divide 300 by 50 to obtain 6x magnification for a 300mm lens.

Who manufactures Zuiko optics?


How is an Olympus lens mounted?

The Micro Four Thirds lens mount is used by Olympus mirrorless cameras.

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