Head-to-head

Canon - RF 24-70mm f/2.8L IS USM vs Voigtländer - APO-Lanthar 50mm f/2 SE

Last updated 2026년 5월 31일 · How Mars Score works

Probe A

Canon

RF 24-70mm f/2.8L IS USM

55.3/ 100D

Optics55· 55%

Build—· 35%

Mount—· 10%

Probe B

Voigtländer

APO-Lanthar 50mm f/2 SE

57.6/ 100D

Optics58· 55%

Build—· 35%

Mount—· 10%

Quick verdict

Between the RF 24-70mm f/2.8L IS USM and APO-Lanthar 50mm f/2 SE, the RF 24-70mm f/2.8L IS USM comes out ahead in weather sealed and optical stabilization, while the APO-Lanthar 50mm f/2 SE wins on weight and min focal. Overall, the RF 24-70mm f/2.8L IS USM scores 55.3 and the APO-Lanthar 50mm f/2 SE scores 57.6 on our Mars Score.

Buying advice

Which should you buy?

These two are nearly even on the Mars Score (55.3 vs 57.6). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.

Pick the RF 24-70mm f/2.8L IS USM if you care most about weather sealed and optical stabilization. The biggest gaps in its favor are weather sealed, optical stabilization, max focal.

Pick the APO-Lanthar 50mm f/2 SE if you carry the device everywhere and weight or thickness has been the deciding factor before. Its strongest claims are weight, min focal.

There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.

Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.

Why Canon - RF 24-70mm f/2.8L IS USM wins

▲Has Weather sealed.
▲Has Optical stabilization.
▲Max focal: 70 (vs 50).

Why Voigtländer - APO-Lanthar 50mm f/2 SE wins

▲Weight — 536.00 g less. 364 vs 900.
▲Min focal: 50 (vs 24).

Full readout

Spec comparison

Optics

Spec	Canon - RF 24-70mm f/2.8L IS USM	Voigtländer - APO-Lanthar 50mm f/2 SE
Min focal	24 mm	50 mmlead
Max focal	70 mmlead	50 mm
Max aperture	f/2.8	f/2
Min aperture	f/22	f/22

Build

Spec	Canon - RF 24-70mm f/2.8L IS USM	Voigtländer - APO-Lanthar 50mm f/2 SE
Weight	900 g	364 glead
Weather sealedⓘ	truelead	false
Optical stabilizationⓘ	truelead	false

Mount

Spec	Canon - RF 24-70mm f/2.8L IS USM	Voigtländer - APO-Lanthar 50mm f/2 SE
Lens mount	Canon RFlead	Sony E

Reader questions

Frequently asked

Drill down

Spec-level deep dives

Min focal→Max focal→Max aperture→Min aperture→Weight→Weather sealed→Optical stabilization→Lens mount→

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