Specifications#
- Brand
- Samsung
- Model
- EX2F
- Camera type
- Compact
- Sensor size
- 7.4 × 5.8 mm (1/1.7" sensor)
- Crop factor
- 4.60×
Specifications merged from Wikidata, Lensfun and openMVG. Spot an error? Tell us.
Sensor size compared#
Focal length equivalents & field of view#
Multiply any focal length by 4.60 to get the full-frame field of view. For fixed-lens cameras use the real focal length printed on the lens (e.g. “6.1–18.3 mm”), not the 35 mm equivalent.
| Lens on this camera | Full-frame equivalent | Horizontal | Vertical | Diagonal |
|---|---|---|---|---|
| 4 mm | 18 mm | 85.8° | 71.4° | 99.2° |
| 4.5 mm | 21 mm | 79.2° | 65.1° | 92.5° |
| 5 mm | 23 mm | 73.3° | 59.8° | 86.5° |
| 6 mm | 28 mm | 63.6° | 51.2° | 76.2° |
| 8 mm | 37 mm | 49.9° | 39.5° | 60.9° |
| 10 mm | 46 mm | 40.8° | 32.1° | 50.4° |
| 12 mm | 55 mm | 34.4° | 26.9° | 42.8° |
| 15 mm | 69 mm | 27.9° | 21.7° | 34.8° |
| 20 mm | 92 mm | 21.1° | 16.4° | 26.5° |
| 25 mm | 115 mm | 16.9° | 13.1° | 21.3° |
| 30 mm | 138 mm | 14.1° | 10.9° | 17.8° |
| 40 mm | 184 mm | 10.6° | 8.2° | 13.4° |
| 50 mm | 230 mm | 8.5° | 6.6° | 10.7° |
| 70 mm | 322 mm | 6.1° | 4.7° | 7.7° |
| 100 mm | 460 mm | 4.3° | 3.3° | 5.4° |
| 150 mm | 690 mm | 2.8° | 2.2° | 3.6° |
Depth of field table#
Total depth of field at each subject distance, using a circle of confusion of 6.5 µm (the 0.030 mm full-frame standard scaled by the crop factor).
| Focal | Aperture | 50.0 cm | 1.00 m | 2.00 m | 3.00 m | 5.00 m | 10.0 m | Hyperfocal |
|---|---|---|---|---|---|---|---|---|
| 4 mm | f/2 | 48.3 cm | 4.76 m | ∞ | ∞ | ∞ | ∞ | 1.23 m |
| 4 mm | f/2.8 | 83.3 cm | ∞ | ∞ | ∞ | ∞ | ∞ | 88.0 cm |
| 4 mm | f/4 | 2.33 m | ∞ | ∞ | ∞ | ∞ | ∞ | 61.8 cm |
| 4 mm | f/8 | ∞ | ∞ | ∞ | ∞ | ∞ | ∞ | 31.1 cm |
| 9 mm | f/2 | 8.0 cm | 32.7 cm | 1.43 m | 3.76 m | 22.7 m | ∞ | 6.22 m |
| 9 mm | f/2.8 | 11.2 cm | 47.0 cm | 2.25 m | 7.41 m | ∞ | ∞ | 4.45 m |
| 9 mm | f/4 | 16.2 cm | 71.0 cm | 4.35 m | 79.5 m | ∞ | ∞ | 3.11 m |
| 9 mm | f/8 | 35.1 cm | 2.15 m | ∞ | ∞ | ∞ | ∞ | 1.56 m |
| 15 mm | f/2 | 2.8 cm | 11.5 cm | 46.6 cm | 1.07 m | 3.15 m | 17.4 m | 17.3 m |
| 15 mm | f/2.8 | 3.9 cm | 16.1 cm | 66.1 cm | 1.54 m | 4.84 m | 47.1 m | 12.3 m |
| 15 mm | f/4 | 5.6 cm | 23.1 cm | 97.2 cm | 2.36 m | 8.67 m | ∞ | 8.64 m |
| 15 mm | f/8 | 11.4 cm | 48.2 cm | 2.34 m | 7.97 m | ∞ | ∞ | 4.33 m |
| 25 mm | f/2 | 1.0 cm | 4.1 cm | 16.5 cm | 37.4 cm | 1.05 m | 4.35 m | 48.0 m |
| 25 mm | f/2.8 | 1.4 cm | 5.7 cm | 23.2 cm | 52.5 cm | 1.48 m | 6.37 m | 34.3 m |
| 25 mm | f/4 | 2.0 cm | 8.2 cm | 33.2 cm | 75.6 cm | 2.17 m | 10.1 m | 24.0 m |
| 25 mm | f/8 | 4.0 cm | 16.4 cm | 67.8 cm | 1.59 m | 5.02 m | 54.2 m | 12.0 m |
Equivalent aperture#
Exposure is identical at the same f-number on any format; equivalence only describes depth of field and total light.
Night-sky exposure limits#
Longest exposure before stars trail. The NPF rule accounts for pixel pitch and is stricter than the classic 500 rule — use it for pin-sharp stars on high-resolution sensors. (NPF needs a known resolution and is omitted here.)
| Focal length | 500 rule |
|---|---|
| 4 mm (18 mm eq.) | 27.2 s |
| 5 mm (23 mm eq.) | 21.7 s |
| 6 mm (28 mm eq.) | 18.1 s |
| 8 mm (37 mm eq.) | 13.6 s |
| 11 mm (51 mm eq.) | 9.9 s |
Handheld shutter speed guide#
The reciprocal rule uses the equivalent focal length. High-resolution sensors may need one stop faster than this for pixel-sharp results.
| Focal length | No stabilisation (1/equiv. focal) | With 3-stop IS | With 5-stop IBIS |
|---|---|---|---|
| 5 mm | 1/25 s | 0.3 s | 1.3 s |
| 11 mm | 1/50 s | 1/6 s | 0.6 s |
| 22 mm | 1/100 s | 1/13 s | 0.3 s |
| 43 mm | 1/200 s | 1/25 s | 1/6 s |
Lens#
The Samsung EX2F has a built-in, non-interchangeable lens. Use the real focal length of that lens with the tables above; its full-frame equivalent is that number × 4.60.
Similar cameras#
Other 1/1.7" cameras from around the same time.
Frequently asked questions#
What is the crop factor of the Samsung EX2F?
The Samsung EX2F has a crop factor of 4.60× relative to 35 mm full frame (diagonal 9.4 mm vs 43.3 mm).
What size is the Samsung EX2F sensor?
7.4 × 5.8 mm (1/1.7"), an area of 43 mm² — 5% of full frame.
Is the Samsung EX2F full frame?
No — its sensor is 1/1.7", which is 20.2× smaller in area than full frame.
How long can I expose the night sky with the Samsung EX2F?
With a 5 mm lens (23 mm equivalent) the 500 rule gives 22 s.
Sources & licences#
- Wikidata Q140487504 — CC0
- Lensfun camera database — CC BY-SA 3.0
- openMVG sensor width database — MPL-2.0
Last updated October 03, 2026 · How we calculate · Sources