Olympus Stylus 1 vs Pentax KP

The Olympus Stylus 1 and the Pentax KP are two digital cameras that were revealed to the public, respectively, in October 2013 and January 2017. The Stylus 1 is a fixed lens compact, while the KP is a DSLR. The cameras are based on a 1/1.7-inch (Stylus 1) and an APS-C (KP) sensor. The Olympus has a resolution of 11.8 megapixels, whereas the Pentax provides 24.1 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications

Olympus Stylus 1		Pentax KP
Fixed lens compact camera		Digital single lens reflex
28-300mm f/2.8		Pentax K mount lenses
11.8 MP – 1/1.7" sensor		24.1 MP – APS-C sensor
1080/30p Video		1080/60i Video
ISO 100-12,800		ISO 100-819,200
Electronic viewfinder (1440k dots)		Optical viewfinder
3.0" LCD – 1040k dots		3.0" LCD – 921k dots
Tilting touchscreen		Tilting screen (no touchscreen)
7 shutter flaps per second		7 shutter flaps per second
Lens-based stabilization		In-body stabilization
not weather sealed		Weathersealed body
410 shots per battery charge		390 shots per battery charge
116 x 87 x 57 mm, 402 g		132 x 101 x 76 mm, 703 g

Check Stylus 1 offers at
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Check KP offers at
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Going beyond this snapshot of core features and characteristics, what are the differences between the Olympus Stylus 1 and the Pentax KP? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The physical size and weight of the Olympus Stylus 1 and the Pentax KP are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three consecutive views from the front, the top, and the rear side are shown. All size dimensions are rounded to the nearest millimeter.

The KP can be obtained in two different colors (black, silver), while the Stylus 1 is only available in black.

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Pentax KP is notably larger (32 percent) than the Olympus Stylus 1. It is noteworthy in this context that the KP is splash and dust-proof, while the Stylus 1 does not feature any corresponding weather-sealing.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the Stylus 1 has a lens built in, whereas the KP is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup.

Concerning battery life, the Stylus 1 gets 410 shots out of its Olympus BLS-5 battery, while the KP can take 390 images on a single charge of its Pentax D-LI109 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you want to switch the focus of the display and review another camera pair, you can move across to the CAM-parator tool and choose from the broad selection of possible camera comparisons there.

Body Specifications

#		Camera Model	Camera Width	Camera Height	Camera Depth	Camera Weight	Battery Life	Weather Sealing	Camera Launch	Launch Price (USD)	Street Price
1.		Olympus Stylus 1	116 mm	87 mm	57 mm	402 g	410	n	Oct 2013	699	ebay.com
2.		Pentax KP	132 mm	101 mm	76 mm	703 g	390	Y	Jan 2017	1,099	ebay.com
3.		Canon G1 X Mark II	116 mm	74 mm	66 mm	553 g	240	n	Feb 2014	799	ebay.com
4.		Canon G16	109 mm	76 mm	40 mm	356 g	360	n	Aug 2013	549	ebay.com
5.		Canon G1 X	117 mm	81 mm	65 mm	534 g	250	n	Jan 2012	799	ebay.com
6.		Fujifilm X30	119 mm	72 mm	60 mm	423 g	470	n	Aug 2014	599	ebay.com
7.		Fujifilm X20	117 mm	70 mm	57 mm	353 g	270	n	Jan 2013	599	ebay.com
8.		Nikon P7800	119 mm	78 mm	50 mm	399 g	350	n	Sep 2013	549	ebay.com
9.		Olympus Stylus 1s	116 mm	87 mm	57 mm	402 g	450	n	Apr 2015	699	ebay.com
10.		Olympus XZ-2	113 mm	65 mm	48 mm	346 g	340	n	Sep 2012	599	ebay.com
11.		Panasonic LF1	103 mm	62 mm	28 mm	192 g	250	n	Apr 2013	499	ebay.com
12.		Pentax K-70	126 mm	93 mm	74 mm	688 g	410	Y	Jun 2016	649	ebay.com
13.		Pentax K-S2	123 mm	91 mm	73 mm	678 g	410	Y	Feb 2015	749	ebay.com
14.		Pentax K-3 II	131 mm	100 mm	77 mm	800 g	720	Y	Apr 2015	1,099	ebay.com
15.		Pentax K-3	131 mm	100 mm	77 mm	800 g	560	Y	Oct 2013	1,299	ebay.com
16.		Pentax MX-1	122 mm	61 mm	51 mm	391 g	290	n	Jan 2013	499	ebay.com
17.		Pentax K-5 II	131 mm	97 mm	73 mm	760 g	740	Y	Sep 2012	1,099	ebay.com
Note: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
Convert to Imperial

The price is, of course, an important factor in any camera decision. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The Stylus 1 was launched at a lower price than the KP, despite having a lens built in. Usually, retail prices stay at first close to the launch price, but after several months, discounts become available. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. A large sensor will tend to have larger individual pixels that provide better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixel-units in a sensor of the same technological generation. Further, a large sensor camera will give the photographer additional creative options when using shallow depth-of-field to isolate a subject from its background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Olympus Stylus 1 features a 1/1.7-inch sensor and the Pentax KP an APS-C sensor. The sensor area in the KP is 753 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 4.5 and 1.5. The sensor in the Stylus 1 has a native 4:3 aspect ratio, while the one in the KP offers a 3:2 aspect.

With 24.1MP, the KP offers a higher resolution than the Stylus 1 (11.8MP), but the KP nevertheless has larger individual pixels (pixel pitch of 3.90μm versus 1.91μm for the Stylus 1) due to its larger sensor. Moreover, the KP is a much more recent model (by 3 years and 2 months) than the Stylus 1, and its sensor will have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units. Coming back to sensor resolution, it should be mentioned that neither of the two cameras has an anti-alias filter installed, so they are able to capture all the detail the sensor resolves.

The resolution advantage of the Pentax KP implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the KP for good quality output (200 dots per inch) amounts to 30.1 x 20 inches or 76.4 x 50.8 cm, for very good quality (250 dpi) 24.1 x 16 inches or 61.1 x 40.6 cm, and for excellent quality (300 dpi) 20.1 x 13.3 inches or 50.9 x 33.9 cm. The corresponding values for the Olympus Stylus 1 are 19.8 x 14.9 inches or 50.4 x 37.8 cm for good quality, 15.9 x 11.9 inches or 40.3 x 30.2 cm for very good quality, and 13.2 x 9.9 inches or 33.6 x 25.2 cm for excellent quality prints.

Unlike the Stylus 1, the KP has the capacity to capture high quality composite images by combining multiple shots after shifting its sensor by miniscule distances. This multi-shot, pixel-shift mode is most suitable for photography of stationary objects (landscapes, studio scenes).

The Olympus Stylus 1 has a native sensitivity range from ISO 100 to ISO 12800. The corresponding ISO settings for the Pentax KP are ISO 100 to ISO 819200 (no boost).

In terms of underlying technology, the Stylus 1 is build around a BSI-CMOS sensor, while the KP uses a CMOS imager. Both cameras use a Bayer filter for capturing RGB colors on a square grid of photosensors. This arrangement is found in most digital cameras.

Since 2007, DXO Mark has published sensor performance measurements that have been derived using a consistent methodology. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The following table provides an overview of the physical sensor characteristics, as well as the sensor quality measurements for a selection of comparators.

Sensor Characteristics

#		Camera Model	Sensor Class	Resolution (MP)	Horiz. Pixels	Vert. Pixels	Video Format	DXO Portrait	DXO Landscape	DXO Sports	DXO Overall
1.		Olympus Stylus 1	1/1.7	11.8	3968	2976	1080/30p	20.7	11.6	179	51
2.		Pentax KP	APS-C	24.1	6016	4000	1080/60i	23.9	13.2	1699	81
3.		Canon G1 X Mark II	1.5-inch	13.0	4160	3120	1080/30p	21.5	10.8	581	58
4.		Canon G16	1/1.7	12.0	4000	3000	1080/60p	21.0	11.7	230	54
5.		Canon G1 X	1.5-inch	14.2	4352	3264	1080/24p	21.7	10.8	644	60
6.		Fujifilm X30	2/3	12.0	4000	3000	1080/60p	20.4	11.2	-312	49
7.		Fujifilm X20	2/3	12.0	4000	3000	1080/60p	20.1	10.9	-462	46
8.		Nikon P7800	1/1.7	12.0	4000	3000	1080/30p	21.2	11.7	200	54
9.		Olympus Stylus 1s	1/1.7	11.8	3968	2976	1080/30p	20.2	11.3	-111	47
10.		Olympus XZ-2	1/1.7	11.8	3968	2976	1080/30p	20.4	11.3	216	49
11.		Panasonic LF1	1/1.7	12.0	4000	3000	1080/60i	20.8	11.6	211	52
12.		Pentax K-70	APS-C	24.0	6000	4000	1080/60i	23.8	13.1	1639	80
13.		Pentax K-S2	APS-C	20.0	5472	3648	1080/30p	23.6	12.9	1514	79
14.		Pentax K-3 II	APS-C	24.1	6016	4000	1080/60i	23.6	13.6	1106	80
15.		Pentax K-3	APS-C	24.1	6016	4000	1080/60i	23.7	13.4	1216	80
16.		Pentax MX-1	1/1.7	12.0	4000	3000	1080/30p	20.4	11.3	208	49
17.		Pentax K-5 II	APS-C	16.1	4928	3264	1080/25p	23.8	14.1	1235	82
Note: DXO values in italics represent estimates based on sensor size and age.

Many modern cameras are not only capable of taking still images, but also of capturing video footage. Both cameras under consideration have a sensor with sufficiently fast read-out times for moving pictures, but the KP provides a faster frame rate than the Stylus 1. It can shoot movie footage at 1080/60i, while the Olympus is limited to 1080/30p.

Feature comparison

Beyond body and sensor, cameras can and do differ across a range of features. For example, the Stylus 1 has an electronic viewfinder (1440k dots), while the KP has an optical one. Both systems have their advantages, with the electronic viewfinder making it possible to project supplementary shooting information into the framing view, whereas the optical viewfinder offers lag-free viewing and a very clear framing image. The viewfinders of both cameras offer the same field of view (100%), but the viewfinder of the KP has a higher magnification than the one of the Stylus 1 (0.63x vs 0.58x), so that the size of the image transmitted appears closer to the size seen with the naked human eye. The adjacent table lists some of the other core features of the Olympus Stylus 1 and Pentax KP along with similar information for a selection of comparators.

Core Features

#		Camera Model	Viewfinder (Type or 000 dots)	Control Panel (yes/no)	LCD Specifications (inch/000 dots)	LCD Attach- ment	Touch Screen (yes/no)	Max Shutter Speed *	Max Shutter Flaps *	Built-in Flash (yes/no)	Built-in Image Stab
1.		Olympus Stylus 1	1440	n	3.0 / 1040	tilting	Y	1/2000s	7.0/s	Y	Y
2.		Pentax KP	optical	n	3.0 / 921	tilting	n	1/6000s	7.0/s	Y	Y
3.		Canon G1 X Mark II	optional	n	3.0 / 1040	tilting	Y	1/4000s	5.2/s	Y	Y
4.		Canon G16	optical	n	3.0 / 922	fixed	n	1/4000s	2.2/s	Y	Y
5.		Canon G1 X	optical	n	3.0 / 922	swivel	n	1/4000s	1.9/s	Y	Y
6.		Fujifilm X30	2360	n	3.0 / 920	tilting	n	1/4000s	12.0/s	Y	Y
7.		Fujifilm X20	optical	n	2.8 / 460	fixed	n	1/4000s	12.0/s	Y	Y
8.		Nikon P7800	921	n	3.0 / 921	swivel	n	1/4000s	8.0/s	Y	Y
9.		Olympus Stylus 1s	1440	n	3.0 / 1040	tilting	Y	1/2000s	7.0/s	Y	Y
10.		Olympus XZ-2	optional	n	3.0 / 920	tilting	Y	1/2000s	5.0/s	Y	Y
11.		Panasonic LF1	200	n	3.0 / 920	fixed	n	1/4000s	10.0/s	Y	Y
12.		Pentax K-70	optical	n	3.0 / 921	swivel	n	1/6000s	6.0/s	Y	Y
13.		Pentax K-S2	optical	n	3.0 / 921	swivel	n	1/6000s	5.4/s	Y	Y
14.		Pentax K-3 II	optical	Y	3.2 / 1037	fixed	n	1/8000s	8.3/s	n	Y
15.		Pentax K-3	optical	Y	3.2 / 1037	fixed	n	1/8000s	8.3/s	Y	Y
16.		Pentax MX-1	none	n	3.0 / 920	tilting	n	1/8000s	1.0/s	Y	Y
17.		Pentax K-5 II	optical	Y	3.0 / 921	fixed	n	1/8000s	7.0/s	Y	Y
Note: *) Information refers to the mechanical shutter, unless the camera only has an electronic one.

One differentiating feature between the two cameras concerns the touch sensitivity of the rear screen. The Stylus 1 has a touchscreen, while the KP has a conventional panel. Touch control can be particularly helpful, for example, for setting the focus point.

The reported shutter speed information refers to the use of the mechanical shutter. Yet, some cameras only have an electronic shutter, while others have an electronic shutter in addition to a mechanical one. In fact, the KP is one of those camera that have an additional electronic shutter, which makes completely silent shooting possible. However, this mode is less suitable for photographing moving objects (risk of rolling shutter) or shooting under artificial light sources (risk of flickering).

The Olympus Stylus 1 and the Pentax KP both have an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the Stylus 1 and the KP write their files to SDXC cards. The KP supports UHS-I cards (Ultra High Speed data transfer of up to 104 MB/s), while the Stylus 1 cannot take advantage of Ultra High Speed SD cards.

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Olympus Stylus 1 and Pentax KP and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

Input-Output Connections

#		Camera Model	Hotshoe Port	Internal Mic / Speaker	Microphone Port	Headphone Port	HDMI Port	USB Port	WiFi Support	NFC Support	Bluetooth Support
1.		Olympus Stylus 1	Y	stereo / mono	-	-	micro	2.0	Y	-	-
2.		Pentax KP	Y	stereo / mono	Y	-	-	2.0	Y	-	-
3.		Canon G1 X Mark II	Y	stereo / mono	-	-	mini	2.0	Y	Y	-
4.		Canon G16	Y	stereo / mono	-	-	mini	2.0	Y	-	-
5.		Canon G1 X	Y	stereo / mono	-	-	mini	2.0	-	-	-
6.		Fujifilm X30	Y	stereo / mono	-	-	micro	2.0	Y	-	-
7.		Fujifilm X20	Y	stereo / mono	-	-	micro	2.0	-	-	-
8.		Nikon P7800	Y	stereo / mono	Y	-	mini	2.0	-	-	-
9.		Olympus Stylus 1s	Y	stereo / mono	-	-	micro	2.0	Y	-	-
10.		Olympus XZ-2	Y	stereo / mono	-	-	mini	2.0	-	-	-
11.		Panasonic LF1	-	stereo / mono	-	-	mini	2.0	Y	Y	-
12.		Pentax K-70	Y	stereo / mono	Y	-	mini	2.0	Y	-	-
13.		Pentax K-S2	Y	mono / mono	Y	-	micro	2.0	Y	Y	-
14.		Pentax K-3 II	Y	mono / mono	Y	Y	mini	3.0	-	-	-
15.		Pentax K-3	Y	mono / mono	Y	Y	mini	3.0	-	-	-
16.		Pentax MX-1	-	stereo / mono	-	-	mini	2.0	-	-	-
17.		Pentax K-5 II	Y	stereo / mono	Y	-	mini	2.0	-	-	-

It is notable that the KP has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The Stylus 1 does not feature such a mic input.

Both the Stylus 1 and the KP have been discontinued, but can regularly be found used on ebay. The Stylus 1 was replaced by the Olympus Stylus 1s, while the KP does not have a direct successor. Further information on the features and operation of the Stylus 1 and KP can be found, respectively, in the Olympus Stylus 1 Manual (free pdf) or the online Pentax KP Manual.

Review summary

So what conclusions can be drawn? Is there a clear favorite between the Olympus Stylus 1 and the Pentax KP? Which camera is better? The listing below highlights the relative strengths of the two models.

Arguments in favor of the Olympus Stylus 1:

• More framing info: Has an electronic viewfinder that displays shooting data.
• More detailed LCD: Has a higher resolution rear screen (1040k vs 921k dots).
• Fewer buttons to press: Is equipped with a touch-sensitive rear screen to facilitate handling.
• Ready to shoot: Comes with a built-in lens, while the KP requires a separate lens.
• More compact: Is smaller (116x87mm vs 132x101mm) and thus needs less room in the bag.
• Less heavy: Is lighter even though it comes with a built-in lens (unlike the KP).
• More affordable: Was introduced at a lower price, despite coming with a built-in lens.
• More heavily discounted: Has been available for much longer (launched in October 2013).

Advantages of the Pentax KP:

• More detail: Has more megapixels (24.1 vs 11.8MP), which boosts linear resolution by 46%.
• High quality composites: Can combine several shots after pixel-shifting its sensor.
• Better image quality: Is equipped with a larger and more technologically advanced sensor.
• Richer colors: The sensor size advantage translates into images with better, more accurate colors.
• More dynamic range: Larger sensor captures a wider spectrum of light and dark details.
• Better low-light sensitivity: Larger sensor produces good images even in poorly lit environments.
• Better video: Provides higher movie framerates (1080/60i versus 1080/30p).
• Better sound: Can connect to an external microphone for higher quality sound recording.
• Brighter framing: Features an optical viewfinder for clear, lag-free composition.
• Larger viewfinder image: Features a viewfinder with a higher magnification (0.63x vs 0.58x).
• Faster shutter: Has higher mechanical shutter speed (1/6000s vs 1/2000s) to freeze action.
• Less disturbing: Has an electronic shutter option for completely silent shooting.
• More flexible: Makes it possible to change lenses and thus to use specialty optics.
• Better sealing: Is splash and dust sealed for shooting in inclement weather conditions.
• Faster buffer clearing: Has an SD card interface that supports the UHS-I standard.
• More modern: Reflects 3 years and 2 months of technical progress since the Stylus 1 launch.

If the count of relative strengths (bullet points above) is taken as a measure, the KP is the clear winner of the contest (16 : 8 points). However, the relative importance of the various individual camera aspects will vary according to personal preferences and needs, so that you might like to apply corresponding weights to the particular features before making a decision on a new camera. A professional wedding photographer will view the differences between cameras in a way that diverges from the perspective of a travel photog, and a person interested in cityscapes has distinct needs from a macro shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

How about other alternatives? Do the specifications of the Olympus Stylus 1 and the Pentax KP place the cameras among the top in their class? Find out in the latest Best Superzoom Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the specs-based evaluation of cameras can be instructive in revealing their potential as photographic tools, it says little about, for example, the shooting experience and imaging performance of the Stylus 1 and the KP in practical situations. User reviews, such as those found at amazon, can sometimes inform about these issues, but such feedback is often incomplete, inconsistent, and biased.

Expert reviews

This is where reviews by experts come in. The table below provides a synthesis of the camera assessments of some of the best known photo-gear review sites (amateurphotographer [AP], cameralabs [CL], digitalcameraworld [DCW], dpreview [DPR], ephotozine [EPZ], photographyblog [PB]). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

Expert Camera Reviews

#		Camera   Model	AP   score	CL   score	DCW   score	DPR   score	EPZ   score	PB   score	Camera Launch	Launch Price (USD)	Street Price
1.		Olympus Stylus 1	..	+ +	..	..	4.5/5	4.5/5	Oct 2013	699	ebay.com
2.		Pentax KP	4/5	..	3/5	82/100	5/5	4.5/5	Jan 2017	1,099	ebay.com
3.		Canon G1 X Mark II	3/5	+	..	77/100	4/5	4.5/5	Feb 2014	799	ebay.com
4.		Canon G16	4/5	+	..	..	4.5/5	4.5/5	Aug 2013	549	ebay.com
5.		Canon G1 X	5/5	+	..	76/100	4/5	4.5/5	Jan 2012	799	ebay.com
6.		Fujifilm X30	4/5	..	..	76/100	4.5/5	4.5/5	Aug 2014	599	ebay.com
7.		Fujifilm X20	4/5	+ +	..	77/100	4.5/5	5/5	Jan 2013	599	ebay.com
8.		Nikon P7800	3/5	..	..	..	4/5	4.5/5	Sep 2013	549	ebay.com
9.		Olympus Stylus 1s	..	..	..	..	..	..	Apr 2015	699	ebay.com
10.		Olympus XZ-2	4/5	+	..	..	4.5/5	4.5/5	Sep 2012	599	ebay.com
11.		Panasonic LF1	3/5	+	..	..	4/5	4.5/5	Apr 2013	499	ebay.com
12.		Pentax K-70	4.5/5	..	4/5	79/100	4.5/5	4.5/5	Jun 2016	649	ebay.com
13.		Pentax K-S2	4.5/5	..	..	..	5/5	4.5/5	Feb 2015	749	ebay.com
14.		Pentax K-3 II	4.5/5	..	..	..	5/5	5/5	Apr 2015	1,099	ebay.com
15.		Pentax K-3	4/5	..	..	83/100	5/5	5/5	Oct 2013	1,299	ebay.com
16.		Pentax MX-1	3/5	..	..	74/100	4/5	4/5	Jan 2013	499	ebay.com
17.		Pentax K-5 II	5/5	..	..	80/100	5/5	4.5/5	Sep 2012	1,099	ebay.com
Note: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The review scores listed above should be treated with care, though. The ratings are only valid when referring to cameras in the same category and of the same age. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. Also, please note that some of the review sites have changed their methodology and reporting over time.

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Other camera comparisons

Did this review help to inform your camera decision process? In case you would like to check on the differences and similarities of other camera models, just use the search menu below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

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