Canon 50mm f/0.95 vs. Canon 50mm f/1.0 L

Ray-traced side by side from their optical patents at a 2.0 m upper-body portrait distance: compare how the Canon 50mm f/0.95 (52.6 mm entrance pupil) and Canon 50mm f/1.0 L (50.0 mm entrance pupil) differ in background blur size, edge bokeh, and depth of field.

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Portretvergelijking in één oogopslag (bovenlichaam)

Optical & Portrait Metric Canon 50mm f/0.95 Canon 50mm f/1.0 L What It Means in Practice
Upper-Body Working Distance 2.01 m 2.01 m Identical working distance—both frame an upper-body portrait from the exact same spot.
Effective Focal Length (Breathing) 51.8 mm (+3.5%) 49.3 mm (-1.4%) At 2.0 m, Canon 50mm f/0.95 frames like a 51.8 mm lens while Canon 50mm f/1.0 L frames like a 49.3 mm lens.
Depth of Field (Sharp Zone) 14 cm (1.95 m – 2.08 m) 14 cm (1.95 m – 2.09 m) Both lenses deliver the exact same 14 cm sharp focus zone.
Entrance Pupil Diameter 52.6 mm (f/0.95) 50.0 mm (f/1) Nearly identical distant background blur size at equal framing.
Minimum Focus Distance 1 m 0.6 m Canon 50mm f/1.0 L focuses 40 cm closer (1 m vs. 0.6 m) for tighter close-ups.
Patent Prescription US2836102A (7/5) US4717245A (11/9) Published optical prescriptions traced in the 3D simulator above.

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Which blurs the background more, Canon 50mm f/0.95 or Canon 50mm f/1.0 L?

At the same subject framing, distant background blur scales with the entrance pupil diameter (focal length ÷ f-number). Canon 50mm f/0.95 at f/0.95 has a 52.6 mm entrance pupil, while Canon 50mm f/1.0 L at f/1 has a 50.0 mm entrance pupil.

How does working distance differ between Canon 50mm f/0.95 and Canon 50mm f/1.0 L?

For an upper-body portrait, Canon 50mm f/0.95 stands 2.01 m from the subject (sharp zone 14 cm, from 1.95 m to 2.08 m), whereas Canon 50mm f/1.0 L stands 2.01 m away (sharp zone 14 cm, from 1.95 m to 2.09 m).

How do the optical designs of Canon 50mm f/0.95 and Canon 50mm f/1.0 L compare?

Canon 50mm f/0.95 uses 7 elements in 5 groups (US2836102A, effective focal length 51.8 mm at portrait distance). Canon 50mm f/1.0 L uses 11 elements in 9 groups (US4717245A, effective focal length 49.3 mm).

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Zie ook: scherptediepte, bokeh, cropfactor, compressie.