Specifications#
- Brand
- Konica Minolta
- Model
- Dimage G400
- Camera type
- Compact
- Sensor size
- 5.6 × 4.2 mm (1/2.5" sensor)
- Crop factor
- 6.14×
Specifications merged from Wikidata and Lensfun. Spot an error? Tell us.
Sensor size compared#
Focal length equivalents & field of view#
Multiply any focal length by 6.14 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 | 25 mm | 70.3° | 55.7° | 82.7° |
| 4.5 mm | 28 mm | 64.1° | 50.3° | 76.1° |
| 5 mm | 31 mm | 58.8° | 45.9° | 70.3° |
| 6 mm | 37 mm | 50.3° | 38.8° | 60.8° |
| 8 mm | 49 mm | 38.8° | 29.6° | 47.5° |
| 10 mm | 61 mm | 31.4° | 23.9° | 38.8° |
| 12 mm | 74 mm | 26.4° | 20.0° | 32.7° |
| 15 mm | 92 mm | 21.3° | 16.1° | 26.4° |
| 20 mm | 123 mm | 16.0° | 12.1° | 20.0° |
| 25 mm | 154 mm | 12.8° | 9.7° | 16.0° |
| 30 mm | 184 mm | 10.7° | 8.1° | 13.4° |
| 40 mm | 246 mm | 8.1° | 6.1° | 10.1° |
| 50 mm | 307 mm | 6.4° | 4.8° | 8.1° |
| 70 mm | 430 mm | 4.6° | 3.5° | 5.8° |
| 100 mm | 614 mm | 3.2° | 2.4° | 4.0° |
| 150 mm | 922 mm | 2.2° | 1.6° | 2.7° |
Depth of field table#
Total depth of field at each subject distance, using a circle of confusion of 4.9 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 | 33.3 cm | 1.93 m | ∞ | ∞ | ∞ | ∞ | 1.64 m |
| 4 mm | f/2.8 | 51.7 cm | 6.17 m | ∞ | ∞ | ∞ | ∞ | 1.17 m |
| 4 mm | f/4 | 95.6 cm | ∞ | ∞ | ∞ | ∞ | ∞ | 82.3 cm |
| 4 mm | f/8 | ∞ | ∞ | ∞ | ∞ | ∞ | ∞ | 41.4 cm |
| 7 mm | f/2 | 9.9 cm | 41.2 cm | 1.89 m | 5.56 m | 1.0 km | ∞ | 5.02 m |
| 7 mm | f/2.8 | 14.0 cm | 60.0 cm | 3.22 m | 16.6 m | ∞ | ∞ | 3.59 m |
| 7 mm | f/4 | 20.4 cm | 93.9 cm | 8.61 m | ∞ | ∞ | ∞ | 2.52 m |
| 7 mm | f/8 | 46.5 cm | 4.24 m | ∞ | ∞ | ∞ | ∞ | 1.26 m |
| 12 mm | f/2 | 3.3 cm | 13.5 cm | 54.9 cm | 1.27 m | 3.82 m | 25.0 m | 14.8 m |
| 12 mm | f/2.8 | 4.6 cm | 18.9 cm | 78.3 cm | 1.85 m | 6.10 m | 188 m | 10.5 m |
| 12 mm | f/4 | 6.6 cm | 27.3 cm | 1.16 m | 2.91 m | 12.5 m | ∞ | 7.38 m |
| 12 mm | f/8 | 13.5 cm | 57.7 cm | 3.04 m | 14.2 m | ∞ | ∞ | 3.70 m |
| 20 mm | f/2 | 1.2 cm | 4.8 cm | 19.4 cm | 43.9 cm | 1.23 m | 5.18 m | 41.0 m |
| 20 mm | f/2.8 | 1.6 cm | 6.7 cm | 27.2 cm | 61.8 cm | 1.75 m | 7.72 m | 29.3 m |
| 20 mm | f/4 | 2.3 cm | 9.6 cm | 39.0 cm | 89.2 cm | 2.58 m | 12.8 m | 20.5 m |
| 20 mm | f/8 | 4.7 cm | 19.3 cm | 80.3 cm | 1.91 m | 6.37 m | 389 m | 10.3 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 (25 mm eq.) | 20.3 s |
| 5 mm (31 mm eq.) | 16.3 s |
| 6 mm (37 mm eq.) | 13.6 s |
| 7 mm (43 mm eq.) | 11.6 s |
| 8 mm (49 mm eq.) | 10.2 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 |
|---|---|---|---|
| 4 mm | 1/25 s | 0.3 s | 1.3 s |
| 8 mm | 1/50 s | 1/6 s | 0.6 s |
| 16 mm | 1/100 s | 1/13 s | 0.3 s |
| 33 mm | 1/200 s | 1/25 s | 1/6 s |
Lens#
The Konica Minolta Dimage G400 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 × 6.14.
Similar cameras#
Other 1/2.5" cameras from around the same time.
Frequently asked questions#
What is the crop factor of the Konica Minolta Dimage G400?
The Konica Minolta Dimage G400 has a crop factor of 6.14× relative to 35 mm full frame (diagonal 7.0 mm vs 43.3 mm).
What size is the Konica Minolta Dimage G400 sensor?
5.6 × 4.2 mm (1/2.5"), an area of 24 mm² — 3% of full frame.
Is the Konica Minolta Dimage G400 full frame?
No — its sensor is 1/2.5", which is 36.3× smaller in area than full frame.
How long can I expose the night sky with the Konica Minolta Dimage G400?
With a 5 mm lens (31 mm equivalent) the 500 rule gives 16 s.
Sources & licences#
- Wikidata Q140487239 — CC0
- Lensfun camera database — CC BY-SA 3.0
Last updated October 03, 2026 · How we calculate · Sources