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05-30-2019, 07:56 AM   #1
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Time To Replace My K-30

I have no experience using different camera models, my K-30 camera showed a known error in the form of aperture control failure, I have the opportunity to inexpensively buy a used K20D model, what should I pay attention to and how will it compare with the K-30?


Last edited by Martin Stu; 05-30-2019 at 08:02 AM.
05-30-2019, 11:38 AM - 1 Like   #2
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Major differences:
16 Mp vs 14.6 Mp
Battery
Different button layout

Otherwise just the usual lookout for buying a used camera - shutter count, basic condition, all major functions working.
05-30-2019, 11:46 AM - 1 Like   #3
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You can Google "Pentax K20D vs Pentax K-30". Here was one website that I came to quickly: Pentax K20D vs Pentax K-30 Detailed Comparison

You can also check EBay completed listings to get an idea of market value.
05-30-2019, 12:14 PM - 2 Likes   #4
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QuoteOriginally posted by Martin Stu Quote
I have no experience using different camera models, my K-30 camera showed a known error in the form of aperture control failure, I have the opportunity to inexpensively buy a used K20D model, what should I pay attention to and how will it compare with the K-30?
If you face serious financial constraints, a K20D might sense, but neither the K-70 nor KP {better build quality} is that expensive, and both are much more modern. I purchased a KP, but I have kept my K-30 going through the use of aperture-ring lenses and green-button metering.

05-31-2019, 07:29 AM - 2 Likes   #5
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You're going backwards with the K20 - a secondhand K50 or K5 ii s would not be very expensive and both upgrades on the k30.
05-31-2019, 10:49 AM - 2 Likes   #6
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For used, the K20D is a good camera, but not as advanced in many ways as your K-30. Your K-30, for example, will outperform the K20D for low light/higher ISO shooting. A good upgrade would be the K-5 IIs. I have the latest, the KP, which I love, but I still value my K-5 IIs.

Last edited by mikesbike; 06-02-2019 at 07:51 PM.
06-01-2019, 03:44 AM   #7
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I love my K-5II image quality over my K-3II. However, you might need to future protect your purchase. You might go for a K-3II, K-3 or K-S2 so you can use KAF4 lenses.
06-02-2019, 04:19 PM - 1 Like   #8
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QuoteOriginally posted by totsmuyco Quote
I love my K-5II image quality over my K-3II. However, you might need to future protect your purchase. You might go for a K-3II, K-3 or K-S2 so you can use KAF4 lenses.
The KAF4 DA 55-300mm PLM performs very welll on my KP - in addition the KP has the latest Pentax AF system and it provides superb high ISO performance, all at a price of $800.

06-02-2019, 05:50 PM - 1 Like   #9
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save some more and get a camera beyond K-30, i.e. the K-70 is a bargain now.
06-02-2019, 07:36 PM - 1 Like   #10
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QuoteOriginally posted by reh321 Quote
The KAF4 DA 55-300mm PLM performs very welll on my KP - in addition the KP has the latest Pentax AF system and it provides superb high ISO performance, all at a price of $800.
I'm assuming that the OP has some budget limitations as he's acquiring a second hand unit. If none, the KP would be the best choice.
06-02-2019, 08:02 PM - 1 Like   #11
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When buying used I always recommend for a flagship model, due to a superior build quality, reliability, and durability over lesser models. No aperture block problems. Both the K20D and the K-5 series were flagship models. However, with the K-5 series came numerous upgrades, like better higher ISO performance with lower noise with good preservation of detail, a better viewfinder with 100% coverage, and in the case of the K-5 IIs, better image quality in rendering of fine detail due to not having an AA filter, along with improved AF over the original K-5, and over the K20D.

Of course, it is always important to find a copy that is as lightly used as possible, and well cared for.
06-03-2019, 11:12 AM - 1 Like   #12
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file the solenoid and keep your K30. It's not rocketscience.
I don't think the K20D is worth more than 50$ max. It's slow at 3fps. The IQ is worse. The raw files are far less flexible. The back LCD is low res. etc.
Pentax K20D vs Pentax K-30 Detailed Comparison
06-07-2019, 04:07 PM - 1 Like   #13
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Some good suggestions, but there have been reports of the K70 suffering aperture block failure too. Originally I thought about a K5/ii, but most of the cheaper one's had high shutter counts, in the end I went for a refurbished K3ii with a low shutter count and 12 month warranty.

Andrew
06-07-2019, 06:02 PM   #14
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I have been happy with my K5 bodies but realistically they aren't compatible with newer lenses (55-300 notably) so I would keep that in mind in choosing. I don't see a reason to prefer a k20 other than cost.
06-07-2019, 07:16 PM   #15
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QuoteOriginally posted by KingKenny Quote
You're going backwards with the K20 - a secondhand K50 or K5 ii s would not be very expensive and both upgrades on the k30.
The K-50 is prone to the same Aperture Control issue that has afflicted his K-30 ..... I wouldn't want to 'roll the dice' with that issue again.
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