• Micro Four Thirds System
  • 600mm (35mm Equivalent)
  • Aperture Range: f/4 to f/22
  • Three Super ED Elements
  • Three HR Elements, One E-HR Element
  • Z Coating Nano
  • MSC AF System, Manual Focus Clutch
  • Optical Image Stabilization, Sync IS
  • Programmable L-Fn Function Button
  • Weather-Resistant Construction
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5-axis Sync IS: the world’s most powerful[1] image stabilisation

This is the first Olympus interchangeable lens to be equipped with in-lens IS (image stabilisation). Combining in-lens IS and in-body 5-axis IS, 5-axis Sync IS[2] achieves the world’s most powerful[1]image stabilisation, equivalent to 6 shutter speed steps. This makes previously difficult hand-held super-telephoto shooting possible.

  • 1 : According to CIPA standards. When correction is carried out on two axes (yaw and pitch), image stabilisation during halfway press: Off. Camera bodies: OM-D E-M1 V4.0/E-M5 Mark II V2.0 (as of December 2015)
  • 2 : 5-axis Sync IS compatible camera bodies: OM-D E-M1 V4.0/OM-D E-M5 Mark II V2.0 or later (as of January 2016)
  • In-lens IS performance is equivalent to 4 shutter speed steps.


Amazing mobility with a compact, lightweight design

 OM-D E-M1+ M.Zuiko Digital ED 300mm f/4.0 IS PRO

This is a compact, lightweight lens weighing only 1270 g with a length of 227 mm, featuring dustproof, splashproof and freezeproof construction. Its excellent mobility and powerful image stabilisation makes it useful in a variety of fields without needing a tripod.


Dustproof and splashproof

 Hermetic sealing in 17 locations

The hermetic sealing in 17 locations powerfully protects against ingress of dust and water droplets for excellent dustproof and splashproof performance.


The highest resolution in Olympus history

 MTF chart

  1. Super ED lenses
  2. HR lenses
  3. E-HR lens

Olympus’s best-ever resolution is achieved by including 3 Super ED (extra-low dispersion) lenses, an HR (high-refractive) lens and an E-HR (Extra-High Refractive) lens for correcting colour bleeding and aberrations that tend to occur when using telephoto lenses.

  • When more precise resolution is required, Anti-Shock mode or Silent mode is recommended.


New lens coating: Z Coating Nano

  1. Air layer
  2. Nanoparticles
  3. Incident light
  4. Reflected light
  5. Vapour deposit film
  6. Lens

New coating technology, Z Coating Nano, significantly reduces ghosts and flares for sharp, clear image quality. By adding a layer of nano-sized particles with a layer of air in the center to the surface of the lens, the coating achieves a refractive index similar to that of air for reduced surface reflections.


High-speed, high-precision autofocus

High-precision, thin lens fabrication technology makes the focus lens element lightweight. This contributes to the high-speed, high-precision lens drive and the overall small package. When combined with the OM-D E-M1, high-speed AF of 400 ms or less is possible.

  • According to Olympus testing conditions


Telemacro shooting with a maximum image magnification of 0.48x

Telemacro performance with a closest focusing distance of 1.4 m (1.15 m from the end of the lens) and a maximum image magnification of 0.48x[1] is now possible.  These features open up a new world of telemacro shooting with hand-held and free angle possibilities.


Hand-held 840mm super-telephoto shooting

 600mm equivalent[1]
OM-D E-M1 + M.Zuiko Digital ED 300mm f/4.0 IS PRO

 840mm equivalent[1]
OM-D E-M1 + MC-14 + M.Zuiko Digital ED 300mm f/4.0 IS PRO

When combined with the 1.4x teleconverter MC-14, 840mm[1] hand-held super-telephoto photography is possible.


Premium, fine quality expected of the PRO lens series

The sophisticated design features a MF (manual focus) clutch mechanism for instantly switching shooting styles, and switches on the lens barrel for changing settings without changing your grip.

1: MF clutch mechanism: pull the focusing ring toward you to switch to a preset focal position. This makes it possible to instantly switch from AF shooting to prefocus shooting.
2: Lens barrel switch: a focus limit switch (all range, near/far distance), IS switch (ON/OFF), and L-Fn (for registering all functions) button are located on the side of the lens barrel. These controls make it possible to change settings with a single action.


A new world made possible with the super-telephoto lens and silent shutter

Combining the silent shooting mode with this super-telephoto lens let you shoot silently in environments where it is difficult to approach the subject, such as concerts, etc.


A wealth of system accessories

Olympus offers lens accessories bearing the Zuiko name that maintain excellent image quality and expand functionality.


MC-14 M.Zuiko Digital 1.4x Teleconverter

The MC-14 can extend the focal distance of the lens attached to 1.4x. This converter has 6 lens elements (including 1 HR lens) in 3 groups, packaged in a compact metal body. Image degradation is kept to an absolute minimum, and it also provides dustproof, splashproof and freezeproof performance. The MC-14 is compatible with the M.Zuiko Digital ED 40-150mm F2.8 PRO and the M.Zuiko Digital ED 300mm F4 IS PRO.

  • Aperture value drops 1 EV.


PRF-ZD77 PRO Protect Filter

This is a protection filter for the M.Zuiko Digital ED 300mm f/4.0 IS PRO. To reduce flares and ghosts due to reflections, Zero Coating is used in addition to black-edged glass, and a satin finish on the black alunite/aluminum frame removes glossiness to prevent unwanted reflections.


EE-1 Dot Sight

This is an externally-mounted dot sight suitable for super-telephoto shooting. The EE-1 is splashproof, and has a sliding lever to pop the unit open. Because it is powered by a coin-shaped battery, it can be used if you have a accessory shoe. The reticle position and brightness can be adjusted for easier framing when shooting far-away subjects.


LC-77B Lens Cap (included)

Lens cap for lenses with a filter diameter of 77mm.


LSC-1127 Lens Case (included)

A three-layer construction purse-string type lens case (included in the box) securely protects the lens. The lens can be stored in this case with the lens cap, protection filter, tripod collar, and teleconverter attached to the lens.


DR-79 Decoration Ring (included)

This decoration ring covers the screws that get exposed when the tripod collar is removed. Not only does it maintain the texture of the body when the collar is removed, but provides a better grip for hand-held shooting.

  • 1 : 35mm equivalent
  • Pictures are for illustrative purposes only.



Focal Length 300mm (35mm equivalent focal length: 600mm)
Lens Construction 17 Elements in 10 Groups (3 Super ED lenses, 3 HR lenses,1 E-HR lens)
Splashproofing Dustproof and splashproof mechanism
Focusing System High-speed imager AF (MSC)
Angle of View 4.1°
Closest Focusing Distance 1.4m
Maximum Image Magnification 0.24x (35mm equivalent maximum image magnification: 0.48x)
Minimum Field Size 72.1 x 54.2mm
Number of Diaphragm Blades 9 (circular aperture diaphragm)
Maximum Aperture f/4
Minimum Aperture f/22
Lens IS Mechanism VCM
IS Performance 5-axis Sync IS: 6 Steps*
Lens IS: 4 Steps

  • According to CIPA standards. When correction is carried out on two axes (yaw and pitch), image stabilisation during halfway press: Off. Camera bodies: OM-D E-M1 V4.0/E-M5 Mark II V2.0 (as of December 2015)
Filter size Ø77mm
Lens hood Screw-on type
Size: maximum diameter x length Ø92.5 x 280 mm (hood use position) / Ø92.5 x 227 mm (hood shorten position)
Weight 1,270 g (tripod not included) / 1,475 g (tripod included)
Box Contents LC-77B Lens Cap, LR-2 Lens Rear Cap, DR-79 Decoration Ring, LSC-1127 Lens Case, Instruction Manual, Warranty Card

Depth of field

When focusing on a subject, there is an area behind and in front of the focused point that is also in focus. This area is called depth of field. The amount of area behind a focused point will always be greater than the area in front of the focused point regardless of aperture. Depth of field becomes deeper when the focal length is short (wide-angle lens), the focusing distance is long, and aperture is small.

Depth of field tables (focal length : 300mm)

Columns : aperture values / Rows: focusing distance (m) [1]

1.4 1.7 2 3 5 7 10 20 30
4.0 1.399 to 1.401 1.698 to 1.702 1.997 to 2.003 2.993 to 3.007 4.981 to 5.019 6.962 to 7.038 9.922 to 10.08 19.69 to 20.32 29.30 to 30.73 1,248 to ∞
5.6 1.398 to 1.402 1.697 to 1.703 1.996 to 2.004 2.991 to 3.009 4.974 to 5.027 6.948 to 7.053 9.892 to 10.11 19.57 to 20.45 29.04 to 31.03 899.5 to ∞
8 1.397 to 1.403 1.696 to 1.704 1.994 to 2.006 2.987 to 3.013 4.963 to 5.038 6.926 to 7.076 9.848 to 10.16 19.40 to 20.64 28.66 to 31.48 636.5 to ∞
11 1.396 to 1.404 1.694 to 1.706 1.992 to 2.008 2.981 to 3.019 4.947 to 5.054 6.896 to 7.107 9.787 to 10.22 19.160 to 20.92 28.140 to 32.13 450.3 to ∞
16 1.395 to 1.405 1.692 to 1.708 1.989 to 2.011 2.974 to 3.027 4.926 to 5.077 6.854 to 7.153 9.701 to 10.32 18.830 to 21.33 27.430 to 33.11 318.4 to ∞
22 1.393 to 1.408 1.689 to 1.712 1.984 to 2.016 2.963 to 3.038 4.896 to 5.109 6.795 to 7.218 9.583 to 10.46 18.38 to 21.93 26.50 to 34.59 225.2 to ∞
  • 1 The diameter of the permissible circle of confusion is 1/60mm.
  • Specifications are subject to change without notice.


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