Compact

Olympus FE-340

The Olympus FE-340 is a compact with a 1/2.5" sensor measuring 5.8 × 4.3 mm and 8 megapixels. Its crop factor is 6.01×, so a 50 mm lens frames like 300 mm on full frame. Every number below is calculated for this exact sensor.

1/2.5"6.01× crop8 MP
Olympus FE-340 camera
Photo: O'Dea, CC BY-SA 4.0, via Wikimedia Commons
6.01×
Crop factor
5.8×4.3 mm
Sensor size
25 mm²
Area · 3% of full frame
8 MP
Resolution
1.76 µm
Pixel pitch
f/2.6
Diffraction-limited aperture

Specifications#

Brand
Olympus
Model
FE-340
Camera type
Compact
Sensor size
5.8 × 4.3 mm (1/2.5" sensor)
Crop factor
6.01×
Resolution
8 MP (3,266 × 2,449 px)
Sensor
1/2.35” CCD
Storage
xD Picture Card and 48MB internal memory
Metering
Digital ESP metering
Flash
Built-in
Dimensions
96.9 mm × 57.5 mm × 22.6 mm ; (3.8 × 2.3 × 0.9 inches) battery = Lithium ion (LI-42B) 3.7 volt rechargeable
Lens
6.3 – 31.5mm (36 – 180mm equivalent in 35mm photography), 5× zoom ratio, F3.5 - F5.6

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

Sensor size compared#

1/2.3" sensorOlympus FE-340
The Olympus FE-340 sensor (highlighted) drawn to scale against common formats. Its area is 3% of a full-frame sensor, which collects about 5.1 stops less total light at the same exposure.

Focal length equivalents & field of view#

Multiply any focal length by 6.01 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 mm24 mm71.5°56.7°84.0°
4.5 mm27 mm65.2°51.3°77.3°
5 mm30 mm59.9°46.7°71.5°
6 mm36 mm51.3°39.6°61.9°
8 mm48 mm39.6°30.2°48.5°
10 mm60 mm32.1°24.4°39.6°
12 mm72 mm27.0°20.4°33.4°
15 mm90 mm21.7°16.4°27.0°
20 mm120 mm16.4°12.3°20.4°
25 mm150 mm13.1°9.9°16.4°
30 mm180 mm11.0°8.2°13.7°
40 mm240 mm8.2°6.2°10.3°
50 mm300 mm6.6°4.9°8.2°
70 mm421 mm4.7°3.5°5.9°
100 mm601 mm3.3°2.5°4.1°
150 mm901 mm2.2°1.7°2.7°

Depth of field table#

Total depth of field at each subject distance, using a circle of confusion of 5.0 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/234.2 cm2.03 m∞∞∞∞1.61 m
4 mmf/2.853.4 cm7.17 m∞∞∞∞1.15 m
4 mmf/41.00 m∞∞∞∞∞80.5 cm
4 mmf/8∞∞∞∞∞∞40.5 cm
7 mmf/210.1 cm42.2 cm1.95 m5.83 m∞∞4.91 m
7 mmf/2.814.3 cm61.6 cm3.36 m18.9 m∞∞3.51 m
7 mmf/420.9 cm96.8 cm9.55 m∞∞∞2.46 m
7 mmf/847.9 cm4.69 m∞∞∞∞1.23 m
12 mmf/23.4 cm13.8 cm56.2 cm1.30 m3.93 m26.6 m14.4 m
12 mmf/2.84.7 cm19.4 cm80.2 cm1.90 m6.32 m323 m10.3 m
12 mmf/46.8 cm27.9 cm1.19 m3.00 m13.3 m∞7.22 m
12 mmf/813.8 cm59.3 cm3.17 m15.9 m∞∞3.62 m
20 mmf/21.2 cm4.9 cm19.8 cm44.9 cm1.26 m5.31 m40.1 m
20 mmf/2.81.7 cm6.9 cm27.8 cm63.2 cm1.79 m7.94 m28.6 m
20 mmf/42.4 cm9.8 cm39.9 cm91.3 cm2.65 m13.3 m20.1 m
20 mmf/84.8 cm19.8 cm82.3 cm1.96 m6.61 m2.8 km10.0 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 7 mm
f/1.2f/7.28.19 m
f/1.4f/8.47.02 m
f/1.8f/10.85.46 m
f/2f/12.04.91 m
f/2.8f/16.83.51 m
f/4f/24.02.46 m
f/5.6f/33.71.76 m
f/8f/48.11.23 m

Diffraction & pixel pitch#

With 1.76 µm pixels, diffraction starts to soften pixel-level detail around f/2.6. For maximum sharpness keep landscapes between f/2.8 and f/3; stopping down further trades detail for depth of field.

ApertureAiry disk diameterSpread overAt 100% view
f/2.83.8 µm2.1 pxslight softening
f/45.4 µm3.0 pxvisibly soft
f/5.67.5 µm4.3 pxvisibly soft
f/810.7 µm6.1 pxvisibly soft
f/1114.8 µm8.4 pxvisibly soft
f/1621.5 µm12.2 pxvisibly soft
f/2229.5 µm16.7 pxvisibly soft

Maximum print sizes#

At 8 MP the Olympus FE-340 produces 3,266 × 2,449 pixel images. See the 8 megapixel guide or the print size calculator.

ResolutionTypical useInchesCentimetres
300 DPIPhoto-lab quality10.9 × 8.2 in28 × 21 cm
240 DPIFine-art inkjet13.6 × 10.2 in35 × 26 cm
200 DPIWall print16.3 × 12.2 in41 × 31 cm
150 DPIPoster, viewed from 1 m+21.8 × 16.3 in55 × 41 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 (24 mm eq.)20.8 s29.0 s37.7 s48.2 s
5 mm (30 mm eq.)16.6 s23.2 s30.2 s38.6 s
6 mm (36 mm eq.)13.9 s19.3 s25.2 s32.2 s
7 mm (42 mm eq.)11.9 s16.6 s21.6 s27.6 s
8 mm (48 mm eq.)10.4 s14.5 s18.9 s24.1 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
8 mm1/50 s1/6 s0.6 s
17 mm1/100 s1/13 s0.3 s
33 mm1/200 s1/25 s1/6 s

Lens#

The Olympus FE-340 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 × 6.01.

Frequently asked questions#

What is the crop factor of the Olympus FE-340?

The Olympus FE-340 has a crop factor of 6.01× relative to 35 mm full frame (diagonal 7.2 mm vs 43.3 mm).

What size is the Olympus FE-340 sensor?

5.8 × 4.3 mm (1/2.5"), an area of 25 mm² — 3% of full frame.

Is the Olympus FE-340 full frame?

No — its sensor is 1/2.5", which is 34.7× smaller in area than full frame.

How many megapixels does the Olympus FE-340 have?

8 megapixels (3,266 × 2,449 pixels), enough for a 11 × 8 inch print at 300 DPI.

How long can I expose the night sky with the Olympus FE-340?

With a 5 mm lens (30 mm equivalent) the 500 rule gives 17 s and the stricter NPF rule at f/2.8 gives 30 s.

Sources & licences#

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

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