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Panasonic LUMIX G Vario 100-300mm f/4-5.6 II POWER O.I.S. Lens

BH #PA1003004A • MFR #H-FSA100300
86 reviews
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Panasonic LUMIX G Vario 100-300mm f/4-5.6 II POWER O.I.S. Lens
Key Features
  • Micro Four Thirds System
  • 200-600mm (35mm Equivalent)
  • Aperture Range: f/4 to f/22
  • One Extra-Low Dispersion Element
A long-reaching telephoto zoom for Micro Four Thirds cameras, the LUMIX G Vario 100-300mm f/4-5.6 II POWER O.I.S. Lens from Panasonic spans an equivalent 200-600mm range, making it well-suited to wildlife, nature, and sports shooting. The optical design incorporates one extra-low dispersion element to reduce color fringing throughout the zoom range, as well as to provide improved clarity and color accuracy. Benefitting the optics, the lens also houses a quick, quiet, and precise linear autofocus motor as well as a POWER Optical Image Stabilizer, which supports the Dual I.S. function in select LUMIX cameras. Additionally, the lens also sports a splash and dustproof construction for use in trying environmental conditions.
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Panasonic Lumix G Vario 100-300mm f/4-5.6 II Overview

A long-reaching telephoto zoom for Micro Four Thirds cameras, the LUMIX G Vario 100-300mm f/4-5.6 II POWER O.I.S. Lens from Panasonic spans an equivalent 200-600mm range, making it well-suited to wildlife, nature, and sports shooting. The optical design incorporates one extra-low dispersion element to reduce color fringing throughout the zoom range, as well as to provide improved clarity and color accuracy. Benefitting the optics, the lens also houses a quick, quiet, and precise linear autofocus motor as well as a POWER Optical Image Stabilizer, which supports the Dual I.S. function in select LUMIX cameras. Additionally, the lens also sports a splash and dustproof construction for use in trying environmental conditions.

Telephoto zoom designed for Micro Four Thirds mirrorless cameras, this lens offers a 200-600mm equivalent focal length range.
One extra-low dispersion element is featured in the optical design to minimize color fringing and chromatic aberrations for improved clarity and color fidelity.
Linear autofocus motor delivers fast AF performance that is also precise, smooth, and near-silent to benefit both stills and video applications.
POWER Optical Image Stabilizer minimizes the appearance of camera shake for sharper handheld shooting, and also supports the Dual I.S. function for increased stabilization performance.
Splash and dustproof design benefits working in inclement weather conditions.
Rounded seven-blade diaphragm contributes to a smooth and pleasing bokeh quality.
UPC: 885170310964

Panasonic Lumix G Vario 100-300mm f/4-5.6 II Specs

Focal Length
100 to 300mm (35mm Equivalent: 200 to 600mm)
Aperture
Maximum: f/4 to 5.6
Minimum: f/22
Lens Mount
Micro Four Thirds
Lens Format Coverage
Micro Four Thirds
Angle of View
12° to 4.1°
Minimum Focus Distance
4.9' / 1.5 m
Magnification
1:4.7 Macro Reproduction Ratio
0.21x Magnification
Optical Design
17 Elements in 12 Groups
Aperture/Iris Blades
7, Rounded
Focus Type
Autofocus
Image Stabilization
Yes
Filter Size
67 mm (Front)
Dimensions
2.9 x 5" / 73.6 x 126 mm (Diameter x Length)
Weight
1.1 lb / 520 g
Packaging Info
Package Weight
1.69 lb
Box Dimensions (LxWxH)
8.25 x 4.55 x 4.5"

Panasonic Lumix G Vario 100-300mm f/4-5.6 II Reviews

Autofocus issues

By Luis
Rated 3 out of 5
Date: 2026-09-03

This lens offers good quality images, but its specs are for wildlife and sports, and for that its requires an excellent autofocus. It is not for action shots. I miss many good photos because of that. If it is used for stationary objects, then it is very good. Because this lens doesn’t meet my requirements, i tried to return it, but B&H would not accept the return because they claim my company had too many returns in 2025. After doing business with B&H for over 22 years and hundreds of thousands of dollarsin purchases, they have basically decided to terminate the commercial relationship. Never mind that all the returns were due to defective or subpar products. If this is their policy towards long term clients, then good luck to them.

A Winner in My Book

By Greg
Rated 4 out of 5
Date: 2025-06-09

I normally shoot sports using a Nikon D750 with the Tamron G2's, either the 70-200mm or the 150-600mm. But this is a very heavy kit, so I decided to try my Panasonic G85 and purchased this lens. I also wanted to achieve a slightly higher frame rate with the G85. I've only taken the lens on one shoot so far, but I was pleasantly surprised. Attached is a sample image: 1/1000, f5.6, ISO 800 at 246 mm (about 500 mm equivalent), RAW converted to JPEG. I was shooting from behind the fence in centerfield using a tripod to help with framing. I think the result is exceptional, both in resolution and color. And this shot is a vertical crop from a landscape image. I haven't really tested the lens with the image stabilization, or for video, but I am pleased with its performance in my first foray, and I believe it represents surprising value in terms of price. My rating of 4 stars may not be fair. It should be 5 stars with an asterisk, but I clipped it because of the variable aperture, not any inherent flaw in the lens itself. I covet the same lens, but with a fixed f4 aperture throughout the zoom range.

See any errors on this page?

Will this lens work on a Lumix Gx7?

Will this lens work on a Lumix Gx7?
Asked by: Zach
Hello! The H-FSA100300 is a compatible lens for Lumix GX7. You can check the other compatible lenses for this model here: https://av.jpn.support.panasonic.com/support/global/cs/dsc/connect/gx7.html
Answered by: Panasonic Team
Date published: 2021-07-15

question

I want to buy some MFT lenses for my JVC LS300. Are all the Panasonic MFT lenses parfocal and will they all work with the LS300 rocker zoom?
Asked by: Denis T.
The Panasonic Lumix G X Vario PZ 45-175mm f/4-5.6 ASPH. POWER O.I.S. Lens B&H # PA451754XB and the Panasonic Lumix G X Vario PZ 14-42mm f/3.5-5.6 ASPH. POWER O.I.S. Lens B&H # PA144235XS can be used with the LS300 and be zoomed by the rocker switch. These lenses are not parfocal and rely on Auto Focus to maintain focus. Also note, the LS300 must crop the sensor to work with these MFT format lenses.
Answered by: Dennis A L.
Date published: 2018-08-27

What is the length of the lens when fully zoomed i

What is the length of the lens when fully zoomed in at 300mm?
Asked by: Elan
Panasonic LUMIX G Vario 100-300mm f/4-5.6 II POWER O.I.S. Lens is 7.5 inches when fully extended or zoomed in at 300mm.
Answered by: Gary L
Date published: 2026-04-21

question

Is the manual focus ring tied to the autofocus system or is it a true manual focus with measured markings? Asking because my Olympus 75-300 just failed and is not even usable as a manual focus lens. Hope this is clear?
Asked by: scott m.
There are no measured markings on this lens.
Answered by: Andrea O.
Date published: 2021-04-27

Is this lens compatible with the Panasonic GH5?

Is this lens compatible with the Panasonic GH5?
Asked by: Debra
Yes, it works with the GH5.
Answered by: Rob
Date published: 2021-01-21

question

I am using a MeFoto backpacker tripod for my Olympus 10 Mark ii camera for which a tripod collar is needed with the 40-150mm pro lens (wt. 1.7lbs). Will I need a tripod collar for this lens (wt. 1.15lb)? If so, is one available?
Asked by: Anonymous
There is no tripod collar accessory for 100-300, You should will fine using it without one.
Answered by: James B.
Date published: 2018-08-27

B&H specs show the maximum magnification for this ...

B&H specs show the maximum magnification for this lens is 0.21x. A 2x multiplication factor to convert from micro 4/3 sensors to a 35mm equivalent for lens focal length and f/stop. Should the 2.1x max magnification be multiplied by 2 to yield a 4.2 max magnification?
Asked by: Robert
Yes all MFT lenses give two times the magnification of FF (full-frame) lenses-including the 100-300mm. It works from very close distances all the way to the Moon. I don't think f/stop has anything to do with magnification. The best way to get really close to the subject is with a MFT macro lens, which gives 2x magnification of a FF macro.
Answered by: R
Date published: 2021-06-06

question

Is anyone using a teleconverter with this lens? If so, which one? Thanks.
Asked by: Jon
Unfortunately, B&H does not carry a teleconverter that would be compatible with the Panasonic Lumix G Vario 100-300mm f/4-5.6 II POWER O.I.S. Lens. Im not aware of one on the market.
Answered by: Christina S.
Date published: 2024-04-06
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