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Pentax K-3 : Specifications and Opinions

The Pentax K-3 is a reflex camera with APS-C (1.5x) sensor and 24.3 megapixels manufactured from 2013 to 2015 (discontinued). The range of sensitivities, including ISO extension, is 100 - 51200 ISO and it has a continuous shooting (burst mode) of 8.3 FPS. The average price, when it has been added to the JuzaPhoto database, is 780 €;

58 users have given it an average vote of 9.3 out of 10

Sensor
Format	APS-C, 23.5 x 15.7 mm (image ratio 3:2, crop factor 1.5x in comparison with FF)
Resolution	24.3 megapixel (pixel pitch 3.92 μm)
ISO sensitivities	100 - 51200
File formats	JPEG, RAW
Esposure
Shutter speeds	30" - 1/8000
Exp. compensation	+/- 5 stops at 1/3 steps
Exp. modes	M, S, A, P, Scena
Metering modes	Multi-Area, Semi-Spot, Spot
Features
Mount	Pentax K (click here to view all compatible lenses)
Stabilization	Yes
Autofocus (AF areas)	27
Continuos shooting	8.3 FPS
Pre-Burst	No
Live View	Yes
MLU/SS	Yes, Mirrok Lock Up
Video mode	1920x1080p @ 30 FPS
WiFi	No
GPS	No
Computing Features
ND Long Exposure	Yes, up to 2000 photos (ND11)
Pixel Shift	No
Focus Stacking	No
Startrail/Composite mode	Yes
Astrotracer	Yes (but it requires external GPS, not included with camera)
Camera body and built
Touchscreen	No
LCD	3.2", 640 x 480 pixels, fixed
Viewfinder	Optical, coverage 100%, 0.95x
Flash	Yes, guide number 13 meters
Storage	SD, SDHC, SDXC
Storage, Slot 2	not available
Battery	Pentax D-LI90, 13.39 Wh
Weather sealing	Yes
Weight	800 g
Dimensions	131 x 100 x 77 mm
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Reviews

What do you think about this camera?

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The following opinions have been automatically translated with Google Translate.

Emme Ph

sent on July 08, 2024

Pros: Tropicalized, stabilized sensor, double sd slot, second-hand price, for the year of release, Pentax was ahead of other more famous brands. Robustness of the machine body and materials. Excellent results at high ISO.

Cons: It's called Pentax.

Opinion: Taken used by a friend, I had been wanting a Pentax for a long time, always seen and followed by the keyhole, but like many others, I preferred to take other brands for work. Unfortunately and reluctantly Pentax is little followed, also because of their sales policy and little marketing. So little availability of third-party lenses and various accessories, you also want resaleability in case of up grade. Now, however, I am retired, and I am no longer interested in selling, buying and changing. I took the whim. Back at the K3, I was really impressed by the sturdiness of the camera as soon as I picked it up, the sound of the smooth shutter. The files are sharp and from tests done good performance at high ISO. Many functions that I have only seen in other brands arrive after years or at most have only on FF. It has dual SD slots, the focus as I use it is not slow at all. Always used with every camera the center point. (I feel good like this) if it is right or not, I am fine with using it in this way. Then the possibility of using old Pentax lenses without any type of adapter is not trivial, and each lens becomes stabilized, having the stabilizer on the sensor. I took it with an 18-135, also tropicalized, well balanced. What else can I say, I'm trying it, and to date I'm more than happy to have switched to this historic brand.

MesserColaf

sent on June 13, 2021

Pros: Robustness, WR, ergonomics, image quality, ease of use, battery, dual slot

Cons: Continuous autofocus

Opinion: It was love at first sight. I saw her on Subito and informed me in every way. A gorgeous REFLEX, a dizziness viewfinder and a thousand features that a professional should not give up, including simulation via small movements of the anti-aliasing filter sensor. The ergonomics, despite the weight, is perfect, keys and rings are all in the right positions. it's noisy, but efficient, it's bulky, but it doesn't miss anything, it's Pentax... This brand is a continuous hatred et amo. A story behind him that also envies Canon, but despite this it seems that no one cares about them, not even Pentax itself. Their site is obscene, the optical park and accessories is out of date, external software makes it worth it. But the car, the car really has everything, it's great and I recommend it to anyone who doesn't care about making videos. The k attachment is the same as the old Pentax, and this results in perfect backwards compatibility with vintage k lenses. I repeat, I recommend it, but it will be only you and her, without accessories, with few goals, but in love.

Ruggio

sent on January 03, 2021

Pros: Pro construction, tropicalization, double slot, 24mp quality

Cons: Iso seal, optical park

Opinion: It is necessary to contextualize the machine and its performance at the time of its exit, useless to compare it with recent models. As far as I'm concerned he gave great shots. The images are rich in details, with a good dynamic range and the files I find malleable. The construction is professional with excellent grip and controls in the right place. Tropicalization is excellent. Stabilization is useful even if it does not work miracles. Pentax tends not to stabilize the objectives by greatly sponsoring stabilization in the machine, however for models such as the k-5 or k3 stabilization in the machine I find it at the limit of sufficiency. The iso seal today is certainly poor but maybe it is aligned for the apsc sensors of the period. If you find a good used I find that it is still a good machine today, however it is necessary to make a reflection on the brand in general especially with regard to the optical park that turns out to be expensive, limited and largely dated.

Luigi131160

sent on January 18, 2020

Pros: Compactness, construction, impression of general solidity and impeccable construction, 24 mpxl of those as god commands, stabilizer on the sensor, astro tracer and I stop here.

Cons: Needless to say the optics, dear those of Pentax and not available for some years now those of third brands, consequently used market falsified by poor availability, indication of battery charge not always reliable, ignition from stand-by only from the shutter button.

Opinion: I had already had the K3 along with the two versions of the K5, then because of the impossibility of finding long optics that fell and switched to yellow/black. Some time ago I got the monkey back for Pentax and I found it used at a ridiculous price with which with yellow/black you do not buy us even an entry. Nothing new I had already had, but after 4 years returning to use it was fantastic, another story, beautiful file, deep, balanced, workable, usable very well up to 1600 ISO with good light even at 3200. It may not seem like much but by the way I mean a photo, since I almost always use the full format of the flagships, with the colleague dx top of the range of the other I have to stop at 800 ISO. Then I read metropolitan legends that speak of tens of thousands of ISOs shot in the wind but do not believe it, every scarrafone is nice à mamma soja but a scrabble if it is such, such remains. For those who love astrophotography the pursuit with gps you will find it only in the House Pentax and a fantastic thing. Fantastic what Pentax can make that sensor do, simulate an anti-alliasing filter for example, not to mention the stabilization in the car that is just coming from other parts and that here has been home for over 10 years. In short, a fantastic body but we come to the sore note, to the tooth that commutes, the optics. They are the real Achilles heel in the Pentax house, especially in the field of canvases where the choice is bad and expensive, the fact that third-party builders have abandoned it for a few years has undoubtedly cut the legs to the brand. Practically we are stopped at the sigmone out of production now for at least 3 years and whose availability is reduced to the light, and that light costs a lot. Another flaw is the AF that was in fact back to the time it was out and that now makes any comparison impossible with the others, you have to call us and know that with this brand you have to give up something. Another thing That I don't like is the fact that when it goes on stand-by it just comes out of the shutter button, for those like me who are used to using the af-on to focus forces you to give a shot to the shutter button first and then focus, which if you have to seize the moment is a stroke, but go to explain it. However, in the calculation of the whole, given the price of the used now, I would say that if you find it will be 3/400 shots spent well.

Buck81

sent on June 18, 2019

Pros: Solidity,functions,detail,double SD slots,image quality,sensor stabilizer,top tropicalization

Cons: In some situations of light rendered with some red/magenta tones,AF not precise to large openings

Opinion: I write this review in the face of different experiences with different brands. I like to experiment,so in so many years,I had some of the best products Nikon,Canon,Fuji.... and now,Pentax. Made the transition from Fuji (fantastic)to Pentax with many doubts,given the comments always rather skeptical or even disparaging. To get started, I took a K5.... it ended that I found myself so good that I almost immediately made the switch to K3. I'm not afraid to say that the K3, is overall the best reflex apsc of those years. Its solidity is unparalleled. Fits with a brush in your hand and all the keys are at your fingertips. There is no lack of function and, indeed, it has unique ones! Simulation of the AA filter, stabilized sensor, catch-in-focus and many more. With 24mpx, there is no shortage of detail. Compared to the K5, the noise is noticed 1 or 2 Stop before,but beware: It is not in the least annoying and always remains better than many others, even recent. The AF is definitely better than the K5, it is more responsive, precise and fast, but with very bright optics, it does not always center the exact AF point, also has the "defect" common to many reflexes, to have the AF points a little too concentrated in the center , but in any case they cover the frame quite well for the different shooting needs. Let's come to the sore note... I happened to take pictures of magenta-colored flowers. Well, in this case I was grounded by the surrender..... well, yes, there are no other words to say it: terrifying. It's going to be light, I don't know... but it was all split. I will do further tests and I hope it is my mistake. There's also the false myth that Pentax has a poor lens set, but that's not exactly the case. Its bayonet K unchanged over time,makes it possible to use as many optics as imaginable... and the Catch-in-Focus feature, makes the focus very simple and perfect. Beware, however, because some vintage optics have a "poor" yield to TA and therefore the machine struggles to be as precise as AF. The stabilizer, works on any optics and also works well!! It lacks the orientable screen,but in my opinion it is not a flaw. It would have "weakened" a structure that is otherwise as solid as Thor's hammer! I mean, she's an incredible reflex. Pentax does not deserve to be considered inferior to the others, because it is not so at all. The K3, it's great in every way!

There are 13 more reviews. Show all »

Photos taken with Pentax K-3

Pruno and the drilled mountain

by Gabribocc
130 comments, 4826 views

HI RES 10.4 MP

Seven among the Sassi

by Massimo De Padova
56 comments, 3278 views

HI RES 34.9 MP

Groningen

by Beli Mawr Pothos
61 comments, 4329 views

HI RES 3.5 MP

Grass Snake

by Robsit
56 comments, 8215 views

The magic of the forest

by Gabribocc
106 comments, 4326 views

HI RES 24.1 MP

Camaiore Lido

by Gabribocc
75 comments, 2662 views

HI RES 19.9 MP

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Comacchio

by Gabbia65
188 comments, 5532 views

HI RES 24.1 MP

The wall's march

by Gabribocc
65 comments, 2413 views

HI RES 19.2 MP

Among the mushrooms and goblins

by Gabribocc
67 comments, 2476 views

HI RES 18.8 MP

Barcelona as seen from the Falls Palace

by Gabribocc
71 comments, 2438 views

HI RES 23.3 MP

Redstart

by Paolo.m
49 comments, 7207 views

Rectified and corrected

by Saverio Perrotta
96 comments, 6788 views

HI RES 21.1 MP

At the Sea of November

by Gabribocc
69 comments, 2015 views

HI RES 16.6 MP

Self-portrait

by Gabribocc
64 comments, 2840 views

HI RES 20.2 MP

Sunset over Barcelona

by Gabribocc
55 comments, 1724 views

HI RES 16.4 MP

Sunrise at Camaiore lido

by Gabribocc
54 comments, 2056 views

HI RES 20.2 MP

Lilliput

by Massimo De Padova
21 comments, 906 views

HI RES 25.8 MP

Fire on the Valleys

by Manaus1965
47 comments, 1863 views

Untitled Photo

by Sara1988
15 comments, 3478 views

The Mickey Mouse inside me

by Massimo De Padova
36 comments, 1019 views

HI RES 18.6 MP

Steam locomotive

by Gabbia65
167 comments, 3766 views

HI RES 17.4 MP

Great Spotted Woodpecker (female)

by Paolo.m
56 comments, 5831 views

HI RES 15.9 MP

Catalan-most beautiful villages in Italy

by Pier Giorgio Franco
27 comments, 2002 views

HI RES 8.2 MP

Deer in wheat

by Thum
16 comments, 1506 views

To the sea

by Gabribocc
53 comments, 1726 views

HI RES 19.6 MP

M'illumino of immense

by Gabbia65
136 comments, 3763 views

HI RES 24.1 MP

Etna_7

by Eugenio Sacchetti
40 comments, 3646 views

Woman at work

by Massimo De Padova
25 comments, 458 views

HI RES 15.7 MP

Based, that is, my country

by Gabribocc
54 comments, 1720 views

HI RES 20.3 MP

Resplendent

by Francescoc
55 comments, 3154 views

HI RES 4.6 MP

The hunter Celtic

by Gabbia65
68 comments, 2644 views

HI RES 24.1 MP

Marostica, chess game. Ingredient "pieces"

by Gabbia65
91 comments, 2365 views

HI RES 13.7 MP

The sun that faces

by Gabribocc
39 comments, 1443 views

HI RES 20.2 MP

Arcodsi triumph and flare

by Gabribocc
42 comments, 1390 views

HI RES 16.7 MP

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8905

by Alessandro Cale'
51 comments, 1095 views

Abbey Road revisited

by Massimo De Padova
16 comments, 857 views

HI RES 14.4 MP

Hoopoe with larva of cicada

by Paolo.m
46 comments, 4953 views

HI RES 9.7 MP

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Reviews » Cameras » Cameras Pentax » Pentax K-3

Pentax K-3 : Specifications and Opinions

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Photos taken with Pentax K-3