Questions tagged [pentax]

Pentax is a Japanese camera company which produces compact digital cameras, and APS-C and medium-format digital SLRs.

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Does autofocus work with the Pentax K10D and Tamron 18-250mm?

Hallo; does autofocus actually work with the Pentax K10D and Tamron 18-250mm? If so,how good/fast is it?
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Which prime lens for Pentax APS-C?

My girlfriend is buying a Pentax K-5 (I already have a Pentax DSLR so we thought it made sense for us to be able to share lenses), and she's not sure about which lens to get with it, so I've been ...
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3answers
809 views

Why is dark-frame subtraction on my Pentax camera shorter than the exposure time?

When my Pentax K-r applies long exposure noise reduction (dark-frame subtraction), the processing time required for this operation is less than the exposure time. For example, my camera may perform ...
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5answers
7k views

Why am I getting poor AF results with my Pentax K10D?

I've been using Pentax K10D for a while and I'm a bit frustrated with performance of auto focus on that camera. Very often the images are not sharp enough despite taken in with decent lens (e.g. ...
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3answers
16k views

What's the difference between PEF and DNG RAW formats?

I just recently purchased a Pentax K-r. It has two formats to shoot raw with, PEF and DNG. Are there advantages or disadvantages with using one over the other?
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2answers
2k views

Can I use aperture ring of Pentax FA lens in aperture priority mode?

I'm considering getting an FA Limited lens for my Pentax DSLR. The FA series has an aperture ring with an "A" setting for control by camera bodies that support it. Can I instead use the aperture ring ...
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1answer
3k views

How do the Pentax 18-55mm and 18-135mm compare in image quality?

I've been reading a lot about the Pentax DA 18-135mm lens and its performance compared to other lenses. I've heard that this lens is very soft at 135mm regardless of aperture. However, I've also ...
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3answers
5k views

What extension tube options are there for the Pentax system?

From the reading I have done on extension tubes, I understand that some are just 'dumb' tubes while others have electronics that may allow for metering and autofocus to still work. Further, from this ...
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2answers
5k views

Is there an enhanced third-party firmware for Pentax SLR cameras?

I am wondering whether there is a kit for making software improvements to the Pentax K-x camera. What I'm after is something akin to the CHDK, which is a firmware enhancement for many Canon point-and-...
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3answers
528 views

What is the difference between the two Pentax 50-200mm DA lenses?

Pentax offers two DA zoom lenses with a 50-200mm range: smc PENTAX DA 50-200mm F4-5.6 ED WR smc PENTAX DA 50-200mm F4-5.6 ED The only obvious difference I see between them is that one is weather ...
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2answers
898 views

Why is my Pentax K-x producing artifacts and color banding?

my Pentax K-x is acting up :( In low light scenarios I got heavy color banding and 'strange' image artifacts. You can find an example here: http://imgur.com/v0lzP I took it at ISO 400 and the color ...
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5answers
3k views

Nikon D7000 vs Pentax K-5 vs some other camera - which do you recommend?

I have used my first camera (Sony A-300) for 2 years already. It is okay but I want something new and better, and have a budget of between 1200 and 1300 euros. A couple months ago I talked to a local ...
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1answer
539 views

What's the recommended off camera flash setup for Canon and Sunpak flash combination?

I'm new to off-camera flash photography, and this question confirmed my guess that you don't have to have off-camera flashes of the same brand; but I need a bit more info. I've got a Canon 40D, ...
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2answers
902 views

Are the contacts on different extension tubes in Soligor Pentax AF set supposed to be different?

My extension tube set (Soligor for Pentax AF + P/KA) was not working correctly on my DSLR, so I checked the tubes, and found an interesting difference. It has three tubes (12mm, 20mm, 36mm). This is ...
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1answer
1k views

Creating Proper Exposure with a Pentax PZ10

Not long ago, my Pentax K1000 was damaged and I upgraded to the Pentax PZ10 (both film cameras). I feel lost with trying to get the right exposure on the PZ10; with the K1000 I used a third-party ...
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3answers
3k views

How should I chose a manual focusing screen for my Pentax K10D?

I am considering buying a split focusing screen, replacing the original one. I would like to use some split/microprism screen to ease the focusing of the manual lenses. I own both kit lenses (18-55, ...
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2answers
1k views

Pentax to Canon Adapter

My dad has an old Sears KS-2 + 50mm f/1.7, which from a bit of research seems to use a Pentax K-mount. I've looked around a bit and found a Pentax to Canon adapter, which says it supports af-...
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7answers
1k views

Should I invest in a high-end body or better lenses?

I've got a good-old Pentax K100D body with a kit 18-55 and a couple of 50mm manual focus primes. I'm trying to get back into photography, but slow (and some times lack of) focusing does not give me ...
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3answers
2k views

What Pentax macro lens do you recommend for outdoor activities?

I am a Pentax K20D owner, and now I'd like to buy my first macro lens. Candidates I consider are: Pentax-D FA 100 mm F2.8 Macro 365 g, 560 €. Pentax-D FA 100 mm F2.8 Macro WR weather-resistant, 340 ...
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3answers
703 views

Upgrade advice pentax to canon + which canon 50D/60D or 7D

So I have a Pentax K20D/18 - 250 tamron which was the unexpected result of a court case with a shop over broken K100 Super 2 years back. While I love the camera itself I've become frustrated with it's ...
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5answers
10k views

Is there a Canon equivalent of the Nikon D3100? If so, what is it?

I am looking to buy an Entry level DSLR, and had decided on Canon system due to lens availability with friends, and general popularity amongst my peer group here. I am planning on general photography,...
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3answers
461 views

Can you achieve the Depth of Field effect with the Pentax X90?

I was flicking through some photos on flickr and started thinking that I wanted to achieve a particular effect - after a bit research I found that what I was appreciating was Depth of Field. Subject ...
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5answers
2k views

Do you have advice for buying my first lens after kit 18-55mm (sub-$300)?

I’m looking to buy my first lens beyond the kit 18-55mm for my Pentax K-x. As a student my budget limits me to around a sub $300 offering. I am new to photography, and so I have a hard time answering ...
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4answers
21k views

What flash options are there for the Pentax system?

I am a relative newcomer to the photography world and am slowly building up a set of gear based around my Pentax K-x. Next on my list of priorities is a flash. As I have virtually no experience in ...
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5answers
1k views

Is it possible to mount Pentax lenses on Sony NEX with an adapter?

I wonder whether it would be possible to mount Pentax lenses on a Sony NEX, using an adapter. Are such adapters already available? Would it be possible to have automatic focus?
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4answers
14k views

Can I use old Pentax lenses on newer Pentax DSLRs?

Can I use old Pentax lenses from the film days on the newer Pentax DSLRs? Are there any caveats or exceptions? Are adapters or modifications needed?

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