OM System 40-150mm F4.0 PRO is a Fixed aperture Auto Focus (AF)
Telephoto Zoom lens with FourThirds max sensor coverage, and it is designed to be used with
MFT cameras.
What type of photography is the OM System 40-150mm F4.0 PRO lens good for?
The type of photography that you are planning to use the OM System 40-150mm F4.0 PRO is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
Reasons to Buy OM System 40-150mm F4.0 PRO Lens
Here we've included a summary of the advantages and disadvantages of the OM System 40-150mm F4.0 PRO lens in a list form to help you determine whether it offers the features you need.
| Weather-sealed |
| Autofocus |
| Distance Scale |
| Hood supplied |
| Full-time Manual Focusing |
| Fast Aperture at Tele end |
| Constant f4 aperture throughout the range |
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| Lens Extents while zooming |
Lens Mount
OM System 40-150mm F4.0 PRO is compatible with cameras that have a Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are Panasonic G9 II, OM System OM-5 and Panasonic GH6.
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. OM System 40-150mm F4.0 PRO has a maximum diameter of 69mm and total length of 99mm when not extended. It weighs 382g / 13.5 oz.
![https://cameradecision.com/lenses/img/other/OM-System-40-150mm-F4.0-PRO-inhand.jpg]()
OM System 40-150mm F4.0 PRO Size
OM System 40-150mm F4.0 PRO has a filter thread of 62mm. Below are links to the filters that we recommend you to consider for your OM System 40-150mm F4.0 PRO:
Focal Range
OM System 40-150mm F4.0 PRO has a focal range of 40-150mm and 3.8X zoom ratio which has a 35mm equivalent focal range of 80-300mm when used on a FourThirds format camera.
Weather Sealings
![https://cameradecision.com/lenses/img/other/OM-System-40-150mm-F4.0-PRO-sealing.jpg]()
Weather Sealings of the OM System 40-150mm F4.0 PRO
The OM System 40-150mm F4.0 PRO is a weather-sealed lens, which provides extra protection to prevent water and dust get inside the lens and camera body under light rain, snow and wind. In order to have effective protection, you have to pair the OM System 40-150mm F4.0 PRO with a weather-sealed camera body such as the Panasonic G9 II, OM System OM-5 and Panasonic GH6.
Optical Image Stabilization
OM System 40-150mm F4.0 PRO doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Alternatively, you can check the Panasonic 45-150mm F4-5.6 OIS in Micro Four Thirds mount that have similar focal range but features Optical Image Stabilization.
Lenses Similar to OM System 40-150mm F4.0 PRO With Optical Image Stabilization
Zoom Method
OM System 40-150mm F4.0 PRO features Rotary (extending) zoom method where the length of the lens changes as you zoom in or out. This makes it possible to design the lens with a smaller minimum length ( generally when it is zoomed out) compared to internal zoom lenses. The disadvantages of this design are being harder to seal against dust and moisture, weight balance shifting while zooming and zoom creep in certain lenses.
Maximum Magnification Ratio
OM System 40-150mm F4.0 PRO has a Max Magnification Ratio of 0.21x and has a minimum focusing distance of 0.7m.
Aperture
OM System 40-150mm F4.0 PRO is a fixed aperture lens with a constant max aperture of f4 from 40mm all the way to the 150mm .
| Focal Length |
Max Aperture |
Min Aperture |
|
40mm
|
F4 |
F22 |
|
150mm
|
F4 |
F22 |
Optical Formula
OM System 40-150mm F4.0 PRO's optical formula consists of 15 elements in 9 groups . Following special elements are used in this design:
- 2 ED lens
- 1 super ED lens
- 1 HR lens
- 2 aspherical lens
![https://cameradecision.com/lenses/img/other/OM-System-40-150mm-F4.0-PRO-optical-structure.jpg]()
Optical Construction of the OM System 40-150mm F4.0 PRO
Lens Hood
OM System 40-150mm F4.0 PRO comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
![https://cameradecision.com/lenses/img/other/OM-System-40-150mm-F4.0-PRO-hood.jpg]()
OM System 40-150mm F4.0 PRO Lens Hood
Body Colour
OM System 40-150mm F4.0 PRO is available in Black color.
Popular Comparisons of OM System 40-150mm F4.0 PRO
Here are the eight most popular comparisons of the OM System 40-150mm F4.0 PRO amongst Camera Decision readers.
Top Alternatives of OM System 40-150mm F4.0 PRO Lens
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