Hands-On With the Panasonic Lumix S 100-500mm f/5-7.1 O.I.S.: Compact Reach With Surprising Stabilization

The Panasonic Lumix S 100-500mm f/5-7.1 O.I.S. lens is a surprising release. It manages to pack a long focal range into a lens that feels smaller and easier to handle than you’d expect. If you shoot sports or wildlife, you already know how rare it is to find reach like this in a package that won’t demand a huge bag or tripod every time you take it out.

Coming to you from Gareth Evans with Park Cameras, this detailed video looks at the Panasonic Lumix S 100-500mm f/5-7.1 O.I.S. lens. One of the first points Evans highlights is size. This lens covers full frame and stretches to 500mm, yet it’s compact enough to slide into a bag without rearranging everything else. That’s possible because of the slower maximum aperture, f/5 to f/7.1, which keeps it lighter. Some might hesitate at those numbers, but Evans makes the case that modern stabilization and ISO performance largely erase the drawbacks. He tested it in poor light, not just sunshine, and was still impressed with how usable the images turned out.

Evans also points to Panasonic’s claim of best-in-class stabilization for this lens, calling it bold but accurate. He shot handheld at 400mm with shutter speeds as slow as 1/50 second and still managed sharp results. That’s a huge win when paired with cameras like the Lumix S1R II, which handle higher ISO values well. In practice, Evans found he rarely needed to push past ISO 6400, keeping noise under control while capturing sharp, vibrant shots. The images he shared showed pleasing separation, smooth background blur, and reliable sharpness. Autofocus also tracked fast-moving subjects, including birds in flight, without slipping.

Key Specs

• Focal Length: 100 to 500mm

• Aperture: Maximum f/5 to 7.1; Minimum f/29 to 40

• Lens Mount: L Mount

• Format: Full frame

• Minimum Focus Distance: 2.6' (wide) to 4.9' (tele)

• Magnification: 0.16 to 0.36x, 1:2.8 macro ratio

• Optical Design: 19 elements in 12 groups

• Blades: 11, rounded

• Focus Type: Autofocus

• Image Stabilization: Yes 

• Tripod Mounting: Removable collar

• Filter Size: 82mm

• Dimensions: 3.6 x 7.7 in / 92 x 196.1 mm

• Weight: 2.8 lb / 1.3 kg

Evans does point out one ergonomic quirk. The tripod collar sits close to the lens body, which made it tight for his grip. His workaround was rotating the collar slightly off-center to clear space for his hand, a small adjustment but worth knowing if you often shoot handheld. Beyond that, he noted the customizable control ring, zoom tension adjustment, and onboard switches for autofocus and stabilization. These may not redefine handling, but they give you flexibility in use. Check out the video above for the full rundown from Evans.