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CSC : Digital Compact System Cameras - This new category of digital Compact System Cameras with interchangeable lenses was mislabeled for a time as "Mirrorless Cameras" by those forgetting about "Mirrorless" Rangefinder cameras.  Such confusion is easily understandable, since interchangeable rangefinder cameras were only recently introduced in 1932.  hmm.    CSC or Compact System Camera is probably the best category description to date, although I am fond of the old RFF desigation of  CEVIL  indicating Compact Electronic Viewfidner Interchangeable Lens.   This forum is here at RFF because via adapters these cameras offer an inexpensive way to use rangefinder lenses on digital cameras -- in addition of just about every 35mm SLR lens you can think of.  All  offer the photo enthusiast an incredible array of adopted lenses which was not possible before these new digital formats.   This group continues to grow in popularity and new camera models! 

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Pentaz Q7 and Q-S1 Cameras
Old 07-19-2015   #1
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Pentaz Q7 and Q-S1 Cameras

I discovered only today the existence of the Pentax Q7 and QS1 cameras. They have a 4.7x crop factor with a small sensor CMOS, but they seem to be well received by users. Has anyone here at RFF used such a camera?

I am interested in them because there is a possibility that the Summicron lens of the Leica Digilux 2 (with a 4X crop) could be adapted to the Q7 or QS1.

Feedback is welcomed.
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Old 07-19-2015   #2
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I picked up a discounted Q7 just after they introduced the QS1 ( essentially a cosmetic downgrade from the Q7 ) .

The standard zoom is sufficiently good, but the camera is not really that compact with any non toy lens other than the 01 standard lens ( which is nigh on impossible to find in the US )

As the 01 lens was really the only reason I bought the camera, I imported the one from Japan in matching black .
The results are comparable to the Ricoh GRDIV - but with a 40mm lens :-)

The biggest issue with the camera is the LCD is almost impossible to see in sunlight :-(
This makes adapted lenses very difficult to use.
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Old 07-19-2015   #3
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Thanks for the warning. This is a real problem.
How do you like the images from your Q7?
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Old 07-19-2015   #4
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Adorama has the normal lens.
http://www.adorama.com/IPXQSZ1.html?...FYQ_aQodqMQI5A
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Old 07-19-2015   #5
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I think it's fair to say the best thing about the camera is the form factor.
The image quality is okay but unremarkable - don't sell your M9 ;-)

Here's an unedited sample:http://www.donaldingram.com/ForumImages/IMGP0437.DNG
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Old 07-19-2015   #6
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Using the Summicron on a modern digital camera would be cool, I think. The camera is not bad at all for its age. Having a modern digital camera would be much better.
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Old 07-19-2015   #7
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I have the original Pentax Q and have tried the ones you mention. I got the camera when everyone blieved the whole system would die and cameras went down to ridiculous prices. I expected I would never use except as a toy, a novelty, a conversation starter but I ended using it more then I believed. As others have pointed out the image quality is nothing special (the original Q have an even smaller sensor, it is claimed that the Q7 is better but I really see little difference) but for me the strong point is that all commands are just like in a large camera. You can access everything you need with one touch. Also the camera is very rugged and with the 01 lens attached and a filter there is nothing exposed moving, I have used the camera with a home made protection consisting of transparent film as used in the kitchen under heavy tropical rain with no adverse effect. Finally, if you need things like a 500mm macro or a 1200mm stabilized equivalent this is the cheapest option (maybe even the unique below 20,000 US$). You can find plenty of pictures of the moon taken with cheap lenses and a Q which are not far away qualitywise from what you see taken with telescopes, if you are not into this kind of photography but you are curious to try this on a budged this alone can be a good reason to buy it.

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Old 07-20-2015   #8
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I am not intersted in the Q7 except for a possible host camera to mount the Vario Summicron on.
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