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Sony SEL90M28G FE 90mm Macro G OSS Prime Lens Operating Instruction

Sony SEL90M28G FE 90mm Macro G OSS Prime Lens FEATURE


Sony SEL90M28G FE 90mm Macro G OSS Prime Lens

Sony SEL90M28G FE 90mm Macro G OSS Prime Lens PRODUCT

About SONY
Sony was founded in 1946 by Masaru Ibuka and Akio Morita, originally as Tokyo Tsushin Kogyo. The company started with a focus on producing innovative consumer electronics, such as radios and tape recorders, and later expanded into various other areas, including televisions, audio equipment, cameras, video game consoles, and mobile devices.

Here are some key aspects and divisions of Sony:

  1. Electronics: Sony is widely recognized for its wide range of consumer electronics, including televisions, home audio systems, digital cameras, smartphones, tablets, laptops, and gaming consoles. The company has been at the forefront of technological advancements and has introduced many groundbreaking products over the years.
  2. Entertainment: Sony is also heavily involved in the entertainment industry. It owns and operates Sony Picture Entertainment, which produces and distributes movies and television shows globally. Additionally, Sony Music Entertainment is one of the largest music labels in the world, representing a wide array of artists across various genres.
  3. PlayStation: Sony’s PlayStation brand is a dominant force in the gaming industry. The PlayStation consoles, including the latest PlayStation 5, have gained immense popularity among gamers worldwide. Sony also develops and publishes a range of video games through its subsidiary, Sony Interactive Entertainment.
  4. Imaging: Sony is a major player in the digital imaging market, producing high-quality cameras, lenses, and other imaging equipment. Its Alpha series of mirrorless cameras has garnered critical acclaim and is favored by both amateur and professional photographers.

Sony continues to innovate and expand its presence in different sectors, including virtual reality, robotics, and artificial intelligence. The company is known for its commitment to technological advancements, design excellence, and delivering high-quality products and experiences to its customers.

Interchangeable Lens

Operating Instructions


This instruction manual explains how to use lenses. Notes on use are found in the separate “Precautions before using”. Be sure to read both documents before using your lens.

This lens is designed for Sony α camera system E-mount cameras. You cannot use it on A-mount cameras.

The FE 90mm F2.8 Macro G OSS is compatible with the range of a 35mm format image sensor.

A camera equipped with a 35mm format image sensor can be set to shoot at APS-C size. For details on how to set your camera, refer to its instruction manual.

For further compatibility information, visit the website Sony in your area, or consult your dealer of Sony or the local authorized service facility of Sony.

Notes on use

  • When carrying a camera with the lens attached, always firmly hold both the camera and the lens.
  • This lens is not water-proof, although designed with dust-proofness and splash-proofness in mind. If using in the rain etc., keep water drops away from the lens.

Precautions on using a flash

  • You cannot use a built-in camera flash with this lens. Use an external flash (sold separately). When shooting close to a subject, use an external macro flash (sold separately).


  • When using the lens, the corners of the screen become darker than the center. To reduce this phenomenon (called vignetting), close the aperture by 1 to 2 stops.

Identifying the parts

  1. Lens hood index
  2. Focusing ring
  3. Distance scale / Magnification scale
  4. Distance index
  5. Lens contacts*
  6. Focus-hold button
  7. Focus-range limiter
  8. Shake compensation switch
  9. Mounting index

*Do not touch the lens contacts.

Attaching/detaching the lens

To attach the lens (See illustration B–1.)

  • Remove the rear and front lens caps and the camera body cap.
  1. You can attach/detach the front lens cap in two ways, (1) and (2). When you attach/detach the lens cap with the lens hood attached, use method (2).
  • Align the white dot on the lens barrel with the white dot on the camera (mounting index), then insert the lens into the camera mount and rotate it clockwise until it locks.
  1. Do not press the lens release button on the camera when mounting the lens.
  2. Do not mount the lens at an angle.

To remove the lens (See illustration B–2.)

While holding down the lens release button on the camera, rotate the lens counterclockwise until it stops, then detach the lens.

Attaching the lens hood

It is recommended that you use a lens hood to reduce flare and ensure maximum image quality.

Align the red line on the lens hood with the red line on the lens (lens hood index), then insert the lens hood into the lens mount and rotate it clockwise until it clicks into place and the red dot on the lens hood is aligned with the red line on the lens (lens hood index).

  • When using an external flash (sold separately), remove the lens hood to avoid blocking the flashlight.
  • When storing, fit the lens hood onto the lens backward.


There are three ways to focus.

  • Autofocus
    The camera focuses automatically.
  • DMF (Direct manual focus)
    After the camera focuses in auto focus, you can make a fine adjustment manually.
  • Manual focus
    You focus manually.
  • The focus mode of this lens cannot be switched with some camera models.

For further information on compatibility, visit the website of Sony in your area, or consult your dealer of Sony or the local authorized service facility of Sony.

To switch AF (auto focus)/MF (manual focus)

The focus mode can be switched between AF and MF on the lens.

For AF photography, both the camera and lens should be set to AF. For MF photography, either or both the camera or lens should be set to MF.

To set the focus mode on the lens (1)
AF: Set the focus ring to the X position.
MF: Set the focus ring to the Y position.

  • Refer to the camera manuals to set the focus mode of the camera.
  • In MF, turn the focusing ring to adjust the focus (2) while looking through the viewfinder, etc. The distance scale is only a rough guide.
  • When you move the focus ring from AF mode X to MF mode Y, the focus is adjusted to the distance indicated on the distance scale.

To use a camera equipped with an AF/MF control button

  • Press the AF/MF control button to switch AF to MF when both the camera and lens are set to AF.
  • Press the AF/MF control button to switch MF to AF when the camera is set to MF and the lens is set to AF.

Using the shake compensation function

Shake compensation switch

  • ON: Compensate for camera shake.
  • OFF: Does not compensate for camera shake. We recommend setting the shake compensation switch to OFF when shooting with a tripod.

Using focus-hold buttons

  • The focus-hold button of this lens does not function with some camera models.

For further information on compatibility, visit the website of Sony in your area, or consult your dealer of Sony or the local authorized service facility of Sony.

Press the focus-hold button in AF to cancel AF. The focus is fixed and you can release the shutter on the fixed focus. Release the focus-hold button while pressing the shutter button halfway to start AF again.

Switching focus range (AF range)

The focus-range limiter enables you to reduce the auto-focusing time. This is useful when the subject’s distance is definite.

Slide the focus-range limiter to select the focus range.

  • FULL: AF is set to the minimum focusing distance to infinity.
  • ∞ – 0.5m: AF is set to 0.5 m (1.64 feet) to infinity.
  • 0.5m-0.28m: AF changes from 0.5 m (1.64 feet) to the minimum focus length.*

* Depending on the camera model, AF may be set to the same focus range as when setting the focus range limiter to FULL. For further information on compatibility, visit the website of Sony in your area, or consult your dealer of Sony or the local authorized service facility of Sony.

Macro photography

Magnification ratios

The magnification scale is located on the distance scale.

  • As the magnification increases, the camera is more vulnerable to shaking. Use a tripod to steady the camera when shooting.

Precautions on using a commercially available exposure meter or manual flash shooting function

When shooting close to a subject, the brightness of the lens is reduced.

When shooting in automatic exposure mode or metered manual mode (for example, the camera’s AUTO mode), the exposure is adjusted automatically.

When using a commercially available exposure meter or shooting with the manual flash function available on some external flash units, set the exposure higher than the indicated value. (For information on the exposure compensation, refer to the exposure compensation table H.)

Exposure compensation table

  • Exposure correction
  • Magnification ratios
  • Distance
  • The relationship between magnification and distance shown in the table is a rough guide.



*1 This is the equivalent focal length in 35mm format when mounted on an Interchangeable Lens Digital Camera equipped with an APS-C-sized image sensor.

*2 Angle of view 1 is the value for 35mm cameras, and angle of view 2 is the value for Interchangeable Lens Digital Cameras equipped with an APS-C sized image sensor.

*3 Minimum focus is the distance from the image sensor to the subject.

  • Depending on the lens mechanism, the focal length may change with any change in shooting distance. The focal lengths given above assume the lens is focused at infinity.

Included items: Lens (1), Front lens cap (1), Rear lens cap (1), Lens hood (1), Lens case (1), Set of printed documentation
Designs and specifications are subject to change without notice.

FAQS About Sony SEL90M28G FE 90mm Macro G OSS Prime Lens

What is the Sony FE 90mm F/2.8 macro’s minimum focus distance?

11 in

What is the Sony 90mm macro’s working distance?

28 cm is the minimum focus distance.

What are some uses for a 90mm macro lens?

achieving ideal facial proportions.

Are Sony’s 90mm macro lenses weatherproof?

climate sealing

What is a macro lens’ ideal focus distance?

roughly 30 cm.

What is a lens’s shortest focus distance?

Each lens has a minimum focusing distance at which it may capture an image.

What is the Sony 90mm’s focus speed?

The autofocus goes much more quickly in the region of 0.5 meters to infinity; the focusing process takes just 0.4–0.5 of a second, which is excellent.

Sony 90mm macro lens autofocus?

The Sony 90mm / 2.8 Macro lens focussed rather quickly for a macro lens.

When was the Sony 90mm 2.8 lens released?


What makes macro lenses unique?

An optically enhanced camera lens designed specifically for handling extremely short focusing distances is known as a macro lens.

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