One Lens, Two Subjects with Tamron 18-300mm

Featuring the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD

I shoot mostly wildlife, and birding is where my heart is. So when I picked up the Tamron 18-300mm F/3.5-6.3 Di III-A VC VXD, my main goal was simple: find an interesting migratory bird and bring it home cleanly.

But I also wanted to push the lens somewhere completely different, so I gave it a second test on fast-moving vehicles around town. One small lens, two very different jobs, all shot here in Singapore on my Canon EOS R5 Mark II.

My brief: two very different subjects

The birds came first. I had my eye on a Blue-winged Pitta over at Red Hill, the kind of subject that rewards patience and punishes a slow lens. The vehicle session at Bugis and Millenia Walk was deliberate.

I wanted to see how the lens handled moving subjects, and how fast and how sharp it could focus when things were not sitting still. Two genres in one outing told me a lot about where this lens fits.

Why I chose Tamron 18-300mm

This is an APS-C lens, but on my full-frame R5 Mark II I shoot it in crop mode, and that pushes the reach out to roughly 28-480mm.

From a lens this tiny, that still surprises me. For me it is one of those must-have travel lenses you just keep in the bag.

The maths is the appeal: one lens that can stand in for my 24-70mm, my 70-200mm and my 100-500mm. I don’t have to carry three lenses to cover a day.

Wildlife at Red Hill

I photographed the Blue-winged Pitta on a cloudy day. Shooting at 480mm equivalent at F6.3, I had to push ISO up to 3200 to keep my shutter speed usable.

There was noise, as I expected, but it stayed within a reasonable range. It did eat into the finest detail, which is the trade-off you accept in that light. What I really liked was the bokeh.

At 480mm and F6.3 the background rendered nicely, and the bird separated cleanly from it. For a compact all-rounder, that pleased me.

Panning the streets

Over at Bugis and Millenia Walk the job flipped completely. I worked panning shots at 41mm, 1/80s, F8 and ISO50, tracking a dirt bike as it cut past a red Ferrari and letting the background blur into motion.

With ISO down at base, the sharpness and detail were really good.

The same held with a liveried Porsche 911 GT3 RS. I shot it front three-quarter, side-on and from the rear, working between 103mm and 300mm. For slower, more predictable movement and street work, the lens kept up with me.

Small lens, big advantage

Honestly, the size is what won me over. At 620g it is light enough to swing quickly, and small enough that I don’t draw a stranger’s eye while I’m working on a project.

I can react fast, and still reach out to a subject far away. Across a full day handheld, having 18-300mm in one barrel covers nearly every focal length I reach for.

An honest verdict

I’ll be straight about where this lens sits. Point to point against my native Canon RF glass, it can’t match the fastest focusing speed or the outright sharpness.

For fast, unpredictable subjects like birds in flight, my hit rate was around 50/50. The autofocus tended to hunt, and I noticed the focus breathing more than I’m used to. To be fair, I spend a lot of time behind a 600mm F4, so my standards there are high.

But that is not really what this lens is for. For everyday shooting or as a travel lens, it is more than good enough.

The build quality, the size and the weight make it a true all-in-one that I’m glad to have with me.

I’d recommend it for street and travel photography without hesitation. For high-speed birding, I’d hold back a little.

About Chang Khai Lun