Compact

Sony Cyber-shot DSC-H400

The Sony Cyber-shot DSC-H400 is a compact with a 1/2.3" sensor measuring 6.2 × 4.5 mm and 20 megapixels. Its crop factor is 5.64×, so a 50 mm lens frames like 282 mm on full frame. Every number below is calculated for this exact sensor.

1/2.3"5.64× crop20 MP
Sony Cyber-shot DSC-H400 camera
Photo: DKMcLaren, CC BY-SA 4.0, via Wikimedia Commons
5.64×
Crop factor
6.2×4.5 mm
Sensor size
28 mm²
Area · 3% of full frame
20 MP
Resolution
1.20 µm
Pixel pitch
f/1.8
Diffraction-limited aperture

Specifications#

Brand
Sony
Model
Cyber-shot DSC-H400
Also known as
DSC-H400
Camera type
Compact
Sensor size
6.2 × 4.5 mm (1/2.3" sensor)
Crop factor
5.64×
Resolution
20 MP (5,152 × 3,864 px)
Fastest shutter
1/2,000 s
Continuous shooting
1 fps
Max video resolution
720p
Weight
655 g (23.1 oz)
Sensor type
CCD
Dimensions
130 x 95 x 122mm (5.1 x 3.74 x 4.81 inches)
Lens
25-1550mm equivalent
Drive
1 frame per second
Video
720p at 30fps

Specifications merged from Wikipedia, Wikidata and openMVG. Spot an error? Tell us.

Sensor size compared#

1" (one-inch) sensorSony Cyber-shot DSC-H400
The Sony Cyber-shot DSC-H400 sensor (highlighted) drawn to scale against common formats. Its area is 3% of a full-frame sensor, which collects about 4.9 stops less total light at the same exposure.

Focal length equivalents & field of view#

Multiply any focal length by 5.64 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 cameraFull-frame equivalentHorizontalVerticalDiagonal
4 mm23 mm75.3°59.3°87.6°
4.5 mm25 mm68.9°53.6°80.8°
5 mm28 mm63.3°48.9°74.9°
6 mm34 mm54.4°41.5°65.1°
8 mm45 mm42.2°31.7°51.2°
10 mm56 mm34.3°25.6°41.9°
12 mm68 mm28.8°21.5°35.4°
15 mm85 mm23.2°17.2°28.7°
20 mm113 mm17.5°13.0°21.7°
25 mm141 mm14.1°10.4°17.4°
30 mm169 mm11.7°8.7°14.6°
40 mm226 mm8.8°6.5°10.9°
50 mm282 mm7.1°5.2°8.8°
70 mm395 mm5.0°3.7°6.3°
100 mm564 mm3.5°2.6°4.4°
150 mm847 mm2.4°1.7°2.9°

Depth of field table#

Total depth of field at each subject distance, using a circle of confusion of 5.3 µm (the 0.030 mm full-frame standard scaled by the crop factor).

FocalAperture50.0 cm1.00 m2.00 m3.00 m5.00 m10.0 mHyperfocal
4 mmf/237.0 cm2.35 m∞∞∞∞1.51 m
4 mmf/2.858.6 cm13.1 m∞∞∞∞1.08 m
4 mmf/41.17 m∞∞∞∞∞75.7 cm
4 mmf/8∞∞∞∞∞∞38.0 cm
8 mmf/28.2 cm33.9 cm1.49 m3.96 m26.5 m∞6.03 m
8 mmf/2.811.6 cm48.7 cm2.36 m8.09 m∞∞4.31 m
8 mmf/416.8 cm73.9 cm4.71 m500 m∞∞3.02 m
8 mmf/836.6 cm2.33 m∞∞∞∞1.51 m
14 mmf/22.6 cm10.7 cm43.6 cm99.8 cm2.92 m15.3 m18.5 m
14 mmf/2.83.7 cm15.1 cm61.7 cm1.43 m4.42 m35.7 m13.2 m
14 mmf/45.3 cm21.6 cm90.4 cm2.17 m7.65 m∞9.23 m
14 mmf/810.7 cm44.8 cm2.12 m6.70 m∞∞4.62 m
22 mmf/21.1 cm4.3 cm17.4 cm39.4 cm1.11 m4.60 m45.5 m
22 mmf/2.81.5 cm6.0 cm24.4 cm55.4 cm1.57 m6.77 m32.5 m
22 mmf/42.1 cm8.6 cm35.0 cm79.9 cm2.30 m10.9 m22.8 m
22 mmf/84.2 cm17.3 cm71.7 cm1.69 m5.41 m75.8 m11.4 m

Equivalent aperture#

Exposure is identical at the same f-number on any format; equivalence only describes depth of field and total light.

Aperture on this cameraFull-frame equivalent (depth of field)Hyperfocal at 8 mm
f/1.2f/6.810.0 m
f/1.4f/7.98.61 m
f/1.8f/10.26.70 m
f/2f/11.36.03 m
f/2.8f/15.84.31 m
f/4f/22.63.02 m
f/5.6f/31.62.16 m
f/8f/45.21.51 m

Diffraction & pixel pitch#

With 1.20 µm pixels, diffraction starts to soften pixel-level detail around f/1.8. For maximum sharpness keep landscapes between f/2.8 and f/2; stopping down further trades detail for depth of field.

ApertureAiry disk diameterSpread overAt 100% view
f/2.83.8 µm3.1 pxvisibly soft
f/45.4 µm4.5 pxvisibly soft
f/5.67.5 µm6.3 pxvisibly soft
f/810.7 µm9.0 pxvisibly soft
f/1114.8 µm12.3 pxvisibly soft
f/1621.5 µm17.9 pxvisibly soft
f/2229.5 µm24.7 pxvisibly soft

Maximum print sizes#

At 20 MP the Sony Cyber-shot DSC-H400 produces 5,152 × 3,864 pixel images. See the 20 megapixel guide or the print size calculator.

ResolutionTypical useInchesCentimetres
300 DPIPhoto-lab quality17.2 × 12.9 in44 × 33 cm
240 DPIFine-art inkjet21.5 × 16.1 in55 × 41 cm
200 DPIWall print25.8 × 19.3 in65 × 49 cm
150 DPIPoster, viewed from 1 m+34.3 × 25.8 in87 × 65 cm

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.

Focal length500 ruleNPF f/1.8NPF f/2.8NPF f/4
4 mm (23 mm eq.)22.1 s24.7 s33.5 s44.0 s
5 mm (28 mm eq.)17.7 s19.8 s26.8 s35.2 s
6 mm (34 mm eq.)14.8 s16.5 s22.3 s29.3 s
7 mm (40 mm eq.)12.7 s14.1 s19.1 s25.1 s
9 mm (51 mm eq.)9.8 s11.0 s14.9 s19.5 s

Open the NPF / 500 rule calculator →

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 lengthNo stabilisation (1/equiv. focal)With 3-stop ISWith 5-stop IBIS
4 mm1/25 s0.3 s1.3 s
9 mm1/50 s1/6 s0.6 s
18 mm1/100 s1/13 s0.3 s
35 mm1/200 s1/25 s1/6 s

Lens#

The Sony Cyber-shot DSC-H400 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 × 5.64.

Frequently asked questions#

What is the crop factor of the Sony Cyber-shot DSC-H400?

The Sony Cyber-shot DSC-H400 has a crop factor of 5.64× relative to 35 mm full frame (diagonal 7.7 mm vs 43.3 mm).

What size is the Sony Cyber-shot DSC-H400 sensor?

6.2 × 4.5 mm (1/2.3"), an area of 28 mm² — 3% of full frame.

Is the Sony Cyber-shot DSC-H400 full frame?

No — its sensor is 1/2.3", which is 30.8× smaller in area than full frame.

How many megapixels does the Sony Cyber-shot DSC-H400 have?

20 megapixels (5,152 × 3,864 pixels), enough for a 17 × 13 inch print at 300 DPI.

How long can I expose the night sky with the Sony Cyber-shot DSC-H400?

With a 5 mm lens (28 mm equivalent) the 500 rule gives 18 s and the stricter NPF rule at f/2.8 gives 27 s.

Sources & licences#

Last updated October 03, 2026 · How we calculate · Sources