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Forum: Photo Critique 11-30-2018, 05:10 PM  
Landscape From Pieniny mountains in Poland
Posted By desertscape
Replies: 12
Views: 437
There are times in landscape work when there is too much haze. It can be reduced a bit by partially or fully polarizing the scene. Your shot #1 has so much that it obscures the important distant snowy mountains. They are needed to add another layer to the shot and give it more depth. Hard to accentuate those mountains in post, so in the future try a bit of polarization. Overall, your work is excellent.
Forum: Pentax Medium Format 11-26-2018, 06:10 PM  
Post your medium format photos!
Posted By desertscape
Replies: 12,748
Views: 2,105,249
From two months ago, a macro with 6x7 and 165LS with Helicoid tube.
Forum: Pentax Medium Format 11-24-2018, 05:46 PM  
On Pentax 6x7
Posted By desertscape
Replies: 8
Views: 362
FYI-- Pentax did make a soft focus 120mm lens for its 67. They are not common and are probably soft due to intentionally uncorrected aberrations (probably spherical).
Forum: Pentax Medium Format 11-21-2018, 03:21 PM  
Pentax 67 vs Hasselblad 500cm reliability-wise
Posted By desertscape
Replies: 33
Views: 1,118
The 105 seems to have achieved cult status in the past 10 years by portrait shooters and the price reflects that. The 150 Takumar is a Double Gauss design similar to the 105 and is f/2.8 speed but gets little respect. I have used them both and found both capable of excellent portrait work. I suggest the 150 and the 75 Takumar. If you need speed in a 75mm, then you must pay up for the 75AL.
Forum: Pentax Medium Format 11-21-2018, 02:14 PM  
Pentax 67 vs Hasselblad 500cm reliability-wise
Posted By desertscape
Replies: 33
Views: 1,118
When I first got my P 6x7 30 years ago, I would never see other shooters with this camera and thought that maybe 50,000 were made. Now my guess is much higher, especially when I see how many members there are in Pentax 67 forums like Flickr and the number of used 67s for sale. I would guess that 200,000 were made for all types (non-MLU 6x7, MLU 6X7, MLU 67 and P67II).

The two lenses that are overpriced for the system are the 105 and 75AL. If you avoid those two, the system can be affordable.
Forum: Troubleshooting and Beginner Help 11-21-2018, 01:27 PM  
Pentax67 zoom lens problem
Posted By desertscape
Replies: 2
Views: 217
I have had this lens since it was released but have never had it do what you describe. Sounds like the lubricant in the zoom track has become too dry and therefore sluggish.
Forum: Pentax Medium Format 11-07-2018, 11:00 AM  
645 vs 67 lenses for digital conversion
Posted By desertscape
Replies: 14
Views: 690
All of the EDIF lenses from Pentax for their medium format cameras are excellent. I own the 67 300 ED and have no complaints. A sharp lens and never see any chromatic aberrations, even wide open. Avoid the older 6x7 300mm that used conventional glass.

The 400 EDIF is somewhat legendary in performance but the older 400 Takumar does surprising well, in that it is very sharp and shows very little change in color focus by lens zone (spherochromatism). It is an outer bay lens though and to use it, one must have an adapter that accepts these lenses.

Your decision could easily be based more on the cost and size difference between the 645 and 67 ED lenses than the minimal differences in performance.
Forum: Pentax Medium Format 11-05-2018, 09:09 AM  
New to me 6x7, took a chance on ebay NIB kit
Posted By desertscape
Replies: 34
Views: 1,119
The serial number is on the top plate, left side.


When the lens is in the AUTO mode, the meter will read the aperture setting electrically and compensate for it, even though the lens is wide open. Moving the aperture ring will not physically move the diaphragm. In Manual mode all meter readings are based on the movement of the diaphragm and aperture ring. Some of the lenses only meter manually (there is not auto/manual switch) 400 Takumar etc.
Forum: Pentax Medium Format 11-04-2018, 08:08 PM  
New to me 6x7, took a chance on ebay NIB kit
Posted By desertscape
Replies: 34
Views: 1,119
The Manual /Auto switch does 2 things. It is a depth of field preview switch and useful when using a device between the lens and body ( like the Helicoid ext tube) that breaks the connection between the diaphragm and meter. When you use a Helicoid tube as an example, the electrical connection is lost between the lens and meter, so that the meter does not know what aperture you are set at. So to meter, the lens must be set to manual so that you can get an accurate meter reading. Auto means that the TTL can detect what aperture you have selected without the diaphragm actually being stopped down to that f stop. This is also know as wide open metering.

Almost no one has a new 6x7 kit these days so you should cherish what you have.
Forum: Pentax Medium Format 11-04-2018, 01:54 PM  
New to me 6x7, took a chance on ebay NIB kit
Posted By desertscape
Replies: 34
Views: 1,119
You got quite a deal in that kit considering that it looks new. It would have cost at least $3200 when it was produced. The Leicaflex SL was a good learning experience for using the 6x7 now. I have used the SL and SL2 quite a bit. They are spot metered but your 6x7 is not, so that must be considered when shooting. When you use the TTL meter, make sure you use a gray card as that meter is easily fooled by light or dark areas within the frame. Of your lenses, the only one that is not great is the 300 Takumar. It does not have a tripod mount but badly needed it. If you shoot it hand held, not a problem. BTW, the body serial number can be used to determine the age of your camera.
Forum: Pentax Medium Format 10-13-2018, 10:36 AM  
is the pentax 67ii NOT a cold weather camera?
Posted By desertscape
Replies: 15
Views: 1,702
It is possible that your second curtain is not following correctly at slower speeds due to cold weather.
Forum: Pentax Medium Format 10-01-2018, 09:32 PM  
Post your medium format photos!
Posted By desertscape
Replies: 12,748
Views: 2,105,249
2004 was a good year for lightning displays in southern Arizona. Great years are rare. 2018 was another good year. This shot was from 2004.
Forum: Pentax Medium Format 09-27-2018, 01:42 PM  
100mp 44x33mm Medium Format Sensor
Posted By desertscape
Replies: 54
Views: 4,001
This is the reason why so few 8x10 cameras were/are used. Only a small niche of shooters has a utilitarian need for such a specialized camera. The enlargement potential is huge but the shooters that requires those sizes are few.

The limitation in photographic excellence is not the cameras in most cases, it is the shooter.
Forum: Pentax Medium Format 09-26-2018, 03:45 PM  
100mp 44x33mm Medium Format Sensor
Posted By desertscape
Replies: 54
Views: 4,001
Who out there can really use more than the 51MP in the Z? Doesn't it make some large prints already? It reminds of the quest for size in the film days, where people were not happy with a 6x7 and felt the need for 4x5, 5x7 and 8X10. All the while, the 6x7 could easily be used for all sorts of pro work.
Forum: Pentax Medium Format 09-13-2018, 01:41 PM  
6X7 55mm Lenses
Posted By desertscape
Replies: 10
Views: 754
Hmm; okay, thanks Thomas.

Steve
Forum: Pentax Medium Format 09-06-2018, 04:34 PM  
Post your medium format photos!
Posted By desertscape
Replies: 12,748
Views: 2,105,249
Nice stormy landscape panoramic Tuco. You have B&W figured out.
Forum: Pentax Medium Format 09-05-2018, 04:29 PM  
Post your medium format photos!
Posted By desertscape
Replies: 12,748
Views: 2,105,249
This is a shot of Taveuni, Fiji taken in 1999 with a Pentax 6x7 and Velvia 50. I spent many months in the South Seas.
Forum: Monthly Photo Contests 09-03-2018, 03:22 PM  
Lightning at Sunset
Posted By desertscape
Replies: 8
Views: 91
This is an Arizona Monsoon sunset, shot over Tucson circa 2000.
Forum: Pentax Medium Format 09-03-2018, 01:21 PM  
The real 645!
Posted By desertscape
Replies: 104
Views: 3,911
To be clear, the 6x7 frame (Pentax) is 55 X 70mm.
Forum: Pentax Medium Format 08-29-2018, 01:23 PM  
Pentax 6x7 MLU Polaroid/back door
Posted By desertscape
Replies: 27
Views: 1,171
You could easily add the 45mm and 75 f/4.5 to your 55mm and have a pretty good landscape setup. Or you could go with the 55-100 zoom since they have come down a lot in price.
Forum: Pentax Medium Format 08-27-2018, 04:32 PM  
Pentax 6x7 MLU Polaroid/back door
Posted By desertscape
Replies: 27
Views: 1,171
Actually, the 105 is a bit short for portraits if you look at what has been traditionally used in the 35mm world for portraits (90mm & 100mm). I find the 6x7 150mm, 165 and 200 to be better suited for it.
Forum: Pentax Medium Format 08-27-2018, 11:43 AM  
6X7 55mm Lenses
Posted By desertscape
Replies: 10
Views: 754
Okay, thanks guys; just curious about this old lens. Will probably stay with my 55-100 instead.
Forum: Pentax Medium Format 08-26-2018, 11:37 AM  
6X7 55mm Lenses
Posted By desertscape
Replies: 10
Views: 754
Has anyone ever used both the latest 55mm and the old 55 f/3.5? The old version has some good reviews and it's one of the lenses I have never owned. Are the two comparable in performance? As I recall, the landscape pro, David Muench used the 55 f/3.5.
Forum: Pentax Medium Format 08-10-2018, 04:50 PM  
645Z and legacy glass
Posted By desertscape
Replies: 7
Views: 699
It is interesting that Pentax abandoned the outer bay use on their newer telephotos, the 400 and 800 EDIF lenses. After using two of these outer bay lenses, I must say that this was a good idea. They are a pain to use, mostly due to the mounting on the body and the mounting of tubes or converters.

The P67 105mm f/2.4 may be a good choice for portraits with the Z.
Forum: Pentax Medium Format 08-10-2018, 02:03 PM  
645Z and legacy glass
Posted By desertscape
Replies: 7
Views: 699
All Pentax 67 versions used the same mount and those lenses can be used on the Z with adapter. There were 30 optically different lenses made for this system and there is performance differences between them, so investigation is required to make choices between them. Of course the 645 film lenses are an easier choice because no adapter is needed.
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