Best Fuji Wildlife lens?

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So far the thread has leaned heavily on the older 100-400mm, but for serious birding, you really need to look at the newer glass that fits your $2k budget. Honestly, the 100-400 is getting a bit long in the tooth regarding autofocus speed and total reach. Here is a technical breakdown of why you should pivot your search: 1. Fujinon XF 150-600mm f/5.6-8 R LM OIS WR: This is the current birding king for X-mount. It uses an internal zoom mechanism, meaning the physical length doesn't change and the balance stays centered on a gimbal. The Triple Linear Motors (LM) are significantly faster for tracking small birds in flight compared to the older 100-400.
2. Tamron 150-500mm f/5-6.7 Di III VC VXD: This is a great alternative if you want a slightly faster aperture. The VXD (Voice-coil eXtreme-torque Drive) is incredibly precise. Basically, skip using teleconverters on the shorter zooms. They introduce light loss and can degrade contrast. With your budget, you can afford the native reach of the 150-600mm, which is optically optimized for that 600mm (914mm equivalent) focal length.

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Fujinon XF100-400mm! I love it. Tack sharp, used it for years. Fantastic reach, especially for birds!

For birds, consider the used market! You might snag a Fuji 100-400mm for around $1500. Sharp enough, and leaves money for accessories. Worth checking out, right?

Consider the 100-400mm. Sharpness is decent wide open; stopping down to f/8 improves it. Check MTF charts.

After 5 years, the Fuji 100-400mm still impresses. Consider a used copy; be careful of lens creep.

Wildlife, eh? Skip chasing Fuji sharpness alone. Honestly, I've had issues with their telephoto reliability. For birds and $2000, research Tamron. Their newer long zooms for Fuji are punching way above their weight class, reliability data is solid, and you get more reach for the money. Don't just look at brand loyalty, look at market trends.

For birds, consider the Fuji 100-400mm. Be careful shooting near roads; always prioritize your safety and secure footing. Sharpness isn't worth risking a fall!

Hey! For DIY maintenance, maybe consider older lenses + teleconverter? Tamron 1.4x works well, but research first! Might need pro calibration to be super sharp. No complaints so far!

Whatever you get, budget $200 for a yearly Fuji service. Keeps things sharp!

Hey! Up here in the Pacific Northwest, humidity's a killer. Consider weather sealing *seriously*. While I haven't shot birds specifically, the Fuji 100-400mm is a decent option. Sharp enough, but maybe rent it first? Coastal fog's a beast; make sure your gear can handle it! Also, check with a local pro shop – they'll know what works best in our soggy climate.

Sharpness is key, like handling on a track! Forget reach. The Fuji 100-400mm is decent, but for pure 'cornering' ability (resolution), find a used XF 70-200mm f/4 and a good teleconverter. Think nimble, not just powerful.