Search results for 'sensor cleaning' - page 567
Pentax 645D and Canon 1ds Mark III comparison
Remember the the 645 is the lowest priced camera in that format It has to be as it's the only DMF using that format, but its not the cheapest DMF with a lens included. That title still goes to a Mamiya DM22 at $1200 less. Yes it has lower pixel count for a larger sensor, it's still cheaper. B...
Posted by K10D on 01/03/2011 - 23:44
Pentax 645D and Canon 1ds Mark III comparison
I think it was a valid comparison as potential buyers would be wondering if going MF would give them anything significantly better. It looks to me as though it would. I wouldn't thank you for a FF DSLR, but I would really like a 645D. If the MF offers something better than a FF DSLR, doesn't it f...
Posted by K10D on 02/03/2011 - 00:31
Shutter speeds/focal length/handheld
It's fairly simple I think. The height of a 135-format frame is 24mm. The height of a 645 frame is 45 mm. So where a 50mm lens on 135 requires (according to the "rule") a shutter speed of 1/50, on a 645 that would translate to 45/24 x 1/50 = 1/75 (approximately). It's because 645 negs need 5...
Posted by George Lazarette on 13/03/2011 - 23:04
Pentax 67 II tripod
As Pentax medium format user, I would suggest to buy Gitzo 5x series carbon tripod (used!) It is purchase for liftime! Because there is option to easily disassemble every piece of plastic and clean it time by time. And if something wears out user can easily buy spare parts. I had two manfrot...
Posted by Vaards on 02/03/2012 - 22:25
Dead meter in 67 - worth replacing?
Hi all I've got an old 67 that was apparently owned by a Western Daily Press photographer and demonstrably used to hammer nails in and perhaps for some panel beating. It is just about still in one piece but little more than that. The meter has never worked, but I've dusted all my 67 gear out ...
Posted by mattie on 15/02/2013 - 20:42
Pentax Discounts
I guess Cabstar is right in saying that 645D sales are dropping, but as I said in another post - Pentax have probably already made their money on the 645D - so a few promotions (and the previous large price drop) might just rake them in a bit more cash before launching the 645D-Super at £8495. In my...
Posted by LennyBloke on 14/03/2013 - 12:22
Pentax 645Z
It seems like the successor to the Pentax 645D will be announced on the 19. April 2014. Link to Ricoh-Pentax Japan: Most likely it be based on the new 50MP Sony sensor also found in much more expensive Hasselblad and PhaseOne digital medium format cameras. Although these digital Pentax me...
Posted by bjolester on 02/04/2014 - 08:43
Pentax 645Z
what if the 645-z turns out to be a mirrorless 645-d with several optional adaptors for aps-c, full frame k, 645 and 6x7 lens mounts plus options for adaptors for all other lens mounts from third parties? (obviously some lenses will be cropped to use less of the sensor but still). A K-01 on steroid...
Posted by Don on 05/04/2014 - 19:14
Pentax 645Z
The Pentax 645Z shares the 50MP Sony sensor with Hasselblad H5D-50c camera and Phase One IQ250 digital back. When studying the Hasselblad, I cannot help but praise Pentax for their design. The Hasselblad IMHO simply looks strange and dated in comparison: Another thing I noticed is that Hasse...
Posted by bjolester on 15/04/2014 - 07:46
Pentax 645Z
Pentax are about to pioneer a "democratization" of digital medium format. Hasselblad and Phase One have not been within range of ordinary hobby/enthusiast photographers, being extremely expensive, the Pentax 645Z could possibly change all of this. I hope the Pentax 645Z excels in the coming...
Posted by ronniemac on 15/04/2014 - 22:16
Pentax 645Z
Pentax are about to pioneer a "democratization" of digital medium format. Hasselblad and Phase One have not been within range of ordinary hobby/enthusiast photographers, being extremely expensive, the Pentax 645Z could possibly change all of this. I hope the Pentax 645Z excels in the coming...
Posted by Smeggypants on 15/04/2014 - 23:43
Pentax 645Z
I get it that this is an important camera and it shows Ricoh's investment in Pentax, but it's not really surprising. The 'web' seems to be gushing about taking state of the art features from the K-3 and putting them in a weather sealed 50+MP medium format body that's compatible with a huge range of ...
Posted by bjolester on 16/04/2014 - 09:00
Pentax 645Z
Here is an interesting comparison between the Pentax 645Z and the two other cameras that share the same Sony 50MP sensor (Hasselblad and PhaseOne): The ISO upper range of the Pentax is quite extraordinary:) Maybe I'll have to sell my car, and take the plunge... Regards Bjørn
Posted by bjolester on 17/04/2014 - 12:23
Pentax 645Z
I suspect the video will have a crop factor for the lenses and be susceptibale to moire and jello shutter limiting the pro video use for some applications... Clean hdmi out would have been nice.. Apparently not! Movie capture. This is another huge change for the Pentax 645Z: It is, to the best of...
Posted by Pentaxophile on 17/04/2014 - 14:52
Pentax 645Z
I suspect the video will have a crop factor for the lenses and be susceptibale to moire and jello shutter limiting the pro video use for some applications... Clean hdmi out would have been nice.. Apparently not! Movie capture. This is another huge change for the Pentax 645Z: It is, to the best of...
Posted by Don on 17/04/2014 - 15:58
Pentax 645D now £4249 !!!!!!!
We often hear the argument that full frame doesn't give you much over the K3. Fair argument I think. By the same token does the 645D give you that much over the Nikon D800 (sorry would like to quote a Pentax model, obviously can't)? Does the later generation sensor narrow the gap significantly or...
Posted by DrOrloff on 08/04/2014 - 09:50
Pentax 645D now £4249 !!!!!!!
We often hear the argument that full frame doesn't give you much over the K3. Fair argument I think. By the same token does the 645D give you that much over the Nikon D800 (sorry would like to quote a Pentax model, obviously can't)? Does the later generation sensor narrow the gap significantly or...
Posted by Fletcher8 on 08/04/2014 - 10:33
Pentax 645D now £4249 !!!!!!!
I view technology change as the problem. Back in film days there was a real quality advantage for MF over 35mm offsetting (for some) the weight and cost of MF. As film technology improved that advantage continued as the MF camera could, in principle, share the same film types as 35mm. But in...
Posted by gwing on 08/04/2014 - 10:52
Who's put their towel on the deck chairs?
They are implementing SR on a 645 sensor but officially struggling with small format sensor? Also they seem to be implementing the same AF system as on a K3, which reminds me of Nikon D7100 and D600(?) issue where AF covered sufficient amount of frame in D7100 but was only centre in D600. With K3...
Posted by Aleks1298 on 13/04/2014 - 01:19
Who's put their towel on the deck chairs?
So basically it is a K3 insides with much bigger sensor. Operationally, as always, there is certainly a uniformity across the whole Pentax DSLR range. This even extends to lots of operational similarity with even the older film SLRs. But inside it's a very different beast in terms of constructio...
Posted by johnriley on 13/04/2014 - 08:03
