Sigma fp: what each focal length frames
The Sigma fp has a full-frame sensor, so every lens frames exactly as marked. A 50 mm lens on the Sigma fp frames like 50 mm, with a horizontal angle of view of 39.6°.
Lens mount: L-Mount.
Compare focal lengths on the Sigma fp over a photo
How the frames nest on the Sigma fp
Focal length table for the Sigma fp
| Focal length | Full-frame equivalent | Horizontal angle | Vertical angle | Diagonal angle |
|---|---|---|---|---|
| 14 mm | 14 mm | 104.3° | 81.2° | 114.2° |
| 16 mm | 16 mm | 96.7° | 73.7° | 107.0° |
| 18 mm | 18 mm | 90.0° | 67.4° | 100.5° |
| 20 mm | 20 mm | 84.0° | 61.9° | 94.5° |
| 24 mm | 24 mm | 73.7° | 53.1° | 84.1° |
| 28 mm | 28 mm | 65.5° | 46.4° | 75.4° |
| 35 mm | 35 mm | 54.4° | 37.8° | 63.4° |
| 40 mm | 40 mm | 48.5° | 33.4° | 56.8° |
| 50 mm | 50 mm | 39.6° | 27.0° | 46.8° |
| 70 mm | 70 mm | 28.8° | 19.5° | 34.3° |
| 85 mm | 85 mm | 23.9° | 16.1° | 28.6° |
| 100 mm | 100 mm | 20.4° | 13.7° | 24.4° |
| 135 mm | 135 mm | 15.2° | 10.2° | 18.2° |
| 200 mm | 200 mm | 10.3° | 6.9° | 12.3° |
| 300 mm | 300 mm | 6.9° | 4.6° | 8.2° |
Classic full-frame looks on the Sigma fp
To get the framing a full-frame shooter means by these focal lengths, use these on the Sigma fp:
- To frame like 24 mm on full frame, use 24 mm on the Sigma fp.
- To frame like 35 mm on full frame, use 35 mm on the Sigma fp.
- To frame like 50 mm on full frame, use 50 mm on the Sigma fp.
- To frame like 85 mm on full frame, use 85 mm on the Sigma fp.
- To frame like 135 mm on full frame, use 135 mm on the Sigma fp.
What each lens covers at a distance on the Sigma fp
Width x height of the scene each focal length captures on the Sigma fp, held horizontally. Close up, real lenses frame a little tighter than this.
| Focal length | At 1 m | At 2 m | At 3 m | At 5 m | At 10 m |
|---|---|---|---|---|---|
| 24 mm | 1.5 × 1.0 m | 3.0 × 2.0 m | 4.5 × 3.0 m | 7.5 × 5.0 m | 15.0 × 10.0 m |
| 35 mm | 1.0 × 0.7 m | 2.1 × 1.4 m | 3.1 × 2.1 m | 5.1 × 3.4 m | 10.3 × 6.9 m |
| 50 mm | 0.7 × 0.5 m | 1.4 × 1.0 m | 2.2 × 1.4 m | 3.6 × 2.4 m | 7.2 × 4.8 m |
| 85 mm | 0.4 × 0.3 m | 0.8 × 0.6 m | 1.3 × 0.8 m | 2.1 × 1.4 m | 4.2 × 2.8 m |
| 135 mm | 0.3 × 0.2 m | 0.5 × 0.4 m | 0.8 × 0.5 m | 1.3 × 0.9 m | 2.7 × 1.8 m |
Portrait distances on the Sigma fp
How far to stand from the subject with the Sigma fp held vertically, so the subject fills 90% of the frame height. Full body means a 1.8 m person, head and shoulders about 0.5 m.
- With 35 mm on the Sigma fp: about 1.9 m (6.4 ft) for a full-body portrait, 0.5 m (1.8 ft) for head and shoulders.
- With 50 mm on the Sigma fp: about 2.8 m (9.1 ft) for a full-body portrait, 0.8 m (2.5 ft) for head and shoulders.
- With 85 mm on the Sigma fp: about 4.7 m (15 ft) for a full-body portrait, 1.3 m (4.3 ft) for head and shoulders.
- With 135 mm on the Sigma fp: about 7.5 m (25 ft) for a full-body portrait, 2.1 m (6.8 ft) for head and shoulders.
Questions
What does a 50 mm lens look like on the Sigma fp?
It frames like 50 mm on full frame, with a horizontal angle of view of 39.6°.
Which lens gives a 50 mm full-frame look on the Sigma fp?
A lens of about 50 mm. It frames like 50 mm on full frame.
How far do I stand for a full-body portrait with an 85 mm lens on the Sigma fp?
About 4.7 m (15 ft) from the subject, with the camera held vertically. That fits a 1.8 m person in 90% of the frame height. For head and shoulders, stand about 1.3 m (4.3 ft) away.
How much does a 35 mm lens cover at 3 m on the Sigma fp?
About 3.1 × 2.1 m, width by height, with the camera held horizontally. At 10 m it covers about 10.3 × 6.9 m.
Can I see these focal lengths on the Sigma fp before buying a lens?
Yes. Prospekt for iPhone has the Sigma fp built in. Pick it, choose a focal length and point your phone to see the framing live.
Other cameras with the same sensor size
Canon R5 II, Canon R6 III, Canon R8, Canon R6 II, Canon EOS R, Canon EOS 5D IV, Canon EOS 6D, Canon EOS 6D II, Sony A1, Sony A9 III, Sony A7R V, Sony A7 IV, Sony A7C II, Nikon Z9, Nikon Z8, Nikon Z6 III, Nikon Z5 II, Nikon Zf, Panasonic S5 IIX, Panasonic S5 II, Panasonic S1H, Leica M11, Leica SL3, Leica Q3, Pentax K-1 III, Pentax K-1 II, Sigma fp L