Rollei d33 com vs. Olympus Stylus 1s

Comparison

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Rollei d33 com

Olympus Stylus 1s

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Megapixels

3.31

12.00

Max. image resolution

2048 x 1536

3968 x 2976

Sensor

Sensor type

CCD

CMOS

Sensor size

1/1.8" (~ 7.11 x 5.33 mm)

1/1.7" (~ 7.53 x 5.64 mm)

Sensor resolution

2099 x 1578

4011 x 2993

Diagonal

8.89 mm

9.41 mm

Sensor size comparison

Sensor size is generally a good indicator of the quality of the camera. Sensors can vary greatly in size. As a general rule, the bigger the sensor, the better the image quality.

Bigger sensors are more effective because they have more surface area to capture light. An important factor when comparing digital cameras is also camera generation. Generally, newer sensors will outperform the older.

Learn more about sensor sizes »

Actual sensor size

Note: Actual size is set to screen → change »

	vs
1	:	1.12
(ratio)

Rollei d33 com		Olympus Stylus 1s

Surface area:

37.90 mm²

42.47 mm²

Difference: 4.57 mm² (12%)

1s sensor is approx. 1.12x bigger than d33 com sensor.

Note: You are comparing sensors of vastly different generations. There is a gap of 14 years between Rollei d33 com (2001) and Olympus 1s (2015). Fourteen years is a huge amount of time, technology wise, resulting in newer sensor being much more efficient than the older one.

Pixel pitch

3.39 µm

1.88 µm

Pixel pitch tells you the distance from the center of one pixel (photosite) to the center of the next. It tells you how close the pixels are to each other.

The bigger the pixel pitch, the further apart they are and the bigger each pixel is. Bigger pixels tend to have better signal to noise ratio and greater dynamic range.

Difference: 1.51 µm (80%)

Pixel pitch of d33 com is approx. 80% higher than pixel pitch of 1s.

Pixel area

11.49 µm²

3.53 µm²

Pixel or photosite area affects how much light per pixel can be gathered. The larger it is the more light can be collected by a single pixel.

Larger pixels have the potential to collect more photons, resulting in greater dynamic range, while smaller pixels provide higher resolutions (more detail) for a given sensor size.

Relative pixel sizes:

Pixel area difference: 7.96 µm² (225%)

A pixel on Rollei d33 com sensor is approx. 225% bigger than a pixel on Olympus 1s.

Pixel density

8.72 MP/cm²

28.37 MP/cm²

Pixel density tells you how many million pixels fit or would fit in one square cm of the sensor.

Higher pixel density means smaller pixels and lower pixel density means larger pixels.

Difference: 19.65 µm (225%)

Olympus 1s has approx. 225% higher pixel density than Rollei d33 com.

To learn about the accuracy of these numbers, click here.

Specs

Rollei d33 com

Olympus 1s

Crop factor

4.87

4.6

Total megapixels

12.76

Effective megapixels

12.00

Optical zoom

Yes

10.7x

Digital zoom

Yes

ISO sensitivity

Auto, 100 - 12800

RAW

Manual focus

Normal focus range

80 cm

10 cm

Macro focus range

8 cm

5 cm

Focal length (35mm equiv.)

38 - 114 mm

28 - 300 mm

Aperture priority

Yes

Max. aperture

f3.4 - f3.6

f2.8

Max. aperture (35mm equiv.)

f16.6 - f17.5

f12.9

Metering

Centre weighted

Multi, Center-weighted, Spot

Exposure compensation

±2 EV (in 1/3 EV steps)

±3 EV (in 1/3 EV steps)

Shutter priority

Yes

Min. shutter speed

2 sec

60 sec

Max. shutter speed

1/500 sec

1/2000 sec

Built-in flash

External flash

Viewfinder

Optical

Electronic

White balance presets

Screen size

1.8"

Screen resolution

1,040,000 dots

Video capture

Max. video resolution

1920x1080 (30p)

Storage types

CompactFlash type I

SD/SDHC/SDXC

USB

USB 1.1

USB 2.0 (480 Mbit/sec)

HDMI

Wireless

GPS

Battery

4x AA

BLS-50 Lithium-Ion battery

Weight

280 g

402 g

Dimensions

116 x 73 x 62 mm

116.2 x 87 x 56.5 mm

Year

2001

2015

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Diagonal

Diagonal is calculated by the use of Pythagorean theorem:

Diagonal = √

w² + h²

where w = sensor width and h = sensor height

Rollei d33 com diagonal

The diagonal of d33 com sensor is not 1/1.8 or 0.56" (14.1 mm) as you might expect, but approximately two thirds of that value - 8.89 mm. If you want to know why, see sensor sizes.

w = 7.11 mm
h = 5.33 mm

Diagonal = √

7.11² + 5.33²

= 8.89 mm

Olympus 1s diagonal

The diagonal of 1s sensor is not 1/1.7 or 0.59" (14.9 mm) as you might expect, but approximately two thirds of that value - 9.41 mm. If you want to know why, see sensor sizes.

w = 7.53 mm
h = 5.64 mm

Diagonal = √

7.53² + 5.64²

= 9.41 mm

Surface area

Surface area is calculated by multiplying the width and the height of a sensor.

d33 com sensor area

Width = 7.11 mm
Height = 5.33 mm

Surface area = 7.11 × 5.33 = 37.90 mm²

1s sensor area

Width = 7.53 mm
Height = 5.64 mm

Surface area = 7.53 × 5.64 = 42.47 mm²

Pixel pitch

Pixel pitch is the distance from the center of one pixel to the center of the next measured in micrometers (µm). It can be calculated with the following formula:

Pixel pitch =	sensor width in mm	× 1000
	sensor resolution width in pixels

d33 com pixel pitch

Sensor width = 7.11 mm
Sensor resolution width = 2099 pixels

Pixel pitch =	7.11	× 1000	= 3.39 µm
	2099

1s pixel pitch

Sensor width = 7.53 mm
Sensor resolution width = 4011 pixels

Pixel pitch =	7.53	× 1000	= 1.88 µm
	4011

Pixel area

The area of one pixel can be calculated by simply squaring the pixel pitch:

Pixel area = pixel pitch²

You could also divide sensor surface area with effective megapixels:

Pixel area =	sensor surface area in mm²
	effective megapixels

d33 com pixel area

Pixel pitch = 3.39 µm

Pixel area = 3.39² = 11.49 µm²

1s pixel area

Pixel pitch = 1.88 µm

Pixel area = 1.88² = 3.53 µm²

Pixel density

Pixel density can be calculated with the following formula:

Pixel density = (	sensor resolution width in pixels	)² / 1000000
	sensor width in cm

One could also use this formula:

Pixel density =	effective megapixels × 1000000	/ 10000
	sensor surface area in mm²

d33 com pixel density

Sensor resolution width = 2099 pixels
Sensor width = 0.711 cm

Pixel density = (2099 / 0.711)² / 1000000 = 8.72 MP/cm²

1s pixel density

Sensor resolution width = 4011 pixels
Sensor width = 0.753 cm

Pixel density = (4011 / 0.753)² / 1000000 = 28.37 MP/cm²

Sensor resolution

Sensor resolution is calculated from sensor size and effective megapixels. It's slightly higher than maximum (not interpolated) image resolution which is usually stated on camera specifications. Sensor resolution is used in pixel pitch, pixel area, and pixel density formula. For sake of simplicity, we're going to calculate it in 3 stages.

1. First we need to find the ratio between horizontal and vertical length by dividing the former with the latter (aspect ratio). It's usually 1.33 (4:3) or 1.5 (3:2), but not always.

2. With the ratio (r) known we can calculate the X from the formula below, where X is a vertical number of pixels:

(X × r) × X = effective megapixels × 1000000 →

X = √	effective megapixels × 1000000
	r

3. To get sensor resolution we then multiply X with the corresponding ratio:

Resolution horizontal: X × r
Resolution vertical: X

d33 com sensor resolution

Sensor width = 7.11 mm
Sensor height = 5.33 mm
Effective megapixels = 3.31

r = 7.11/5.33 = 1.33

X = √	3.31 × 1000000	= 1578
	1.33

Resolution horizontal: X × r = 1578 × 1.33 = 2099
Resolution vertical: X = 1578

Sensor resolution = 2099 x 1578

1s sensor resolution

Sensor width = 7.53 mm
Sensor height = 5.64 mm
Effective megapixels = 12.00

r = 7.53/5.64 = 1.34

X = √	12.00 × 1000000	= 2993
	1.34

Resolution horizontal: X × r = 2993 × 1.34 = 4011
Resolution vertical: X = 2993

Sensor resolution = 4011 x 2993

Crop factor

Crop factor or focal length multiplier is calculated by dividing the diagonal of 35 mm film (43.27 mm) with the diagonal of the sensor.

Crop factor =	43.27 mm
	sensor diagonal in mm

d33 com crop factor

Sensor diagonal in mm = 8.89 mm

Crop factor =	43.27	= 4.87
	8.89

1s crop factor

Sensor diagonal in mm = 9.41 mm

Crop factor =	43.27	= 4.6
	9.41

35 mm equivalent aperture

Equivalent aperture (in 135 film terms) is calculated by multiplying lens aperture with crop factor (a.k.a. focal length multiplier).

d33 com equivalent aperture

Crop factor = 4.87
Aperture = f3.4 - f3.6

35-mm equivalent aperture = (f3.4 - f3.6) × 4.87 = f16.6 - f17.5

1s equivalent aperture

Crop factor = 4.6
Aperture = f2.8

35-mm equivalent aperture = (f2.8) × 4.6 = f12.9

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