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Forum: Pentax DSLR Discussion 2 Days Ago  
Are we really THAT rare?
Posted By Alex645
Replies: 6,164
Views: 791,556
Pentax Hat - Ricoh

It's possible that he didn't buy it and it was given to him by someone in the large Pentax marketing army:D
Forum: General Photography 03-27-2020, 05:51 PM  
Did you take any photography courses?
Posted By Alex645
Replies: 72
Views: 3,610
Formal and informal learning ceases to be valuable when the student needs to start practicing the theory and learning from mistakes and experience. As a lifelong learner, I have found three teachers in my life: a) the authority, b) fellow students, c) the material itself.

In terms of the latest thread twist, one can substitute guns with cameras...but I would say people who carry cameras SHOULD understand the need to respect others as persons. But people are human and that means some will and some won't....just like respect in a formal classroom.
Forum: Pentax DSLR Discussion 03-22-2020, 10:47 AM  
Is It Time To Buy That Back Up Camera Body?
Posted By Alex645
Replies: 42
Views: 1,564
Yes I do have a back up body. Ever since my second camera, my camera to be upgraded became the backup.

The only time this wasn't true was when I had my entire system stolen and had to start from scratch, but even then, I bought a flagship as my main camera and an entry level as the backup.

My advice, especially in these times where repair facilities are temporarily closing, is not to purchase a used camera as a backup. Either get a new entry level as your back up or upgrade your current camera and use your 'old' camera as the back up.

However, I must admit that nowadays, I tend to find myself going out with only one camera and thinking of my cell phone as the backup.
Forum: Pentax SLR Lens Discussion 03-21-2020, 01:16 PM  
Confession game: how many lenses do you have? Why do you keep them? Which was let go?
Posted By Alex645
Replies: 94
Views: 3,777
LOTS, but it isn't because I'm a collector. I have a large set in part because I don't use adaptors. My series or systems of lenses include:

a) Pentax manual focus
b) Pentax AF film era
c) Pentax AF digital era
d) Pentax 645 manual focus
e) Pentax 645 AF
f) Nikon manual focus
g) Nikon AF film era
h) Nikon AF digital era

Why haven't I 'thinned the herd'? Each camera system has it's pros and cons and depending on what I'm shooting or what I enjoy shooting, I'll pick up that system. Currently I mostly use 'e' and 'h' but I often teach with or lend gear in the less used categories.
Forum: Troubleshooting and Beginner Help 03-18-2020, 10:42 AM  
Hot Shoe Cover how important is it and why ?
Posted By Alex645
Replies: 63
Views: 2,060
That is good to know. In some ways it reminds me of my early SLR years, I used and broke my share of external flash units, almost always due to a cracked plastic foot. I didn't understand why they would design an attachment with the weakest link being the connector and blamed it on 'planned obsolescence'.

Then one day I realized that a strong metal foot that could survive an impact would transfer the force to the shoe and damage my more expensive camera. So beware that you don't want to add any sort of "protection" that may actually create greater risk of damage; to rob Peter to pay Paul.
Forum: Pentax DSLR Discussion 03-15-2020, 12:45 PM  
Thrilled with my “New” K10D
Posted By Alex645
Replies: 46
Views: 1,772
Actually the Credo 80MP CCD sensor on the digital back for Mamiya and Hasselblad are even larger. Only $25k.....camera and lens not included.

Mamiya Credo 80MP Wide Spectrum Digital Back 010-13031A B&H
Forum: Pentax Medium Format 03-15-2020, 12:37 PM  
Is there a user fix for a jammed multiple exposure lever on a 645n?
Posted By Alex645
Replies: 4
Views: 445
Sorry, I've never had that problem with my 645N, but it's both less expensive to fix than replace and once fixed, you have the confidence of knowing your camera vs. a replacement camera that may have underlying issues or another multiple exposure lever on the verge of jamming.
Forum: Pentax DSLR Discussion 03-15-2020, 12:29 PM  
Thrilled with my “New” K10D
Posted By Alex645
Replies: 46
Views: 1,772
The Kodak 40MP CCD sensor in the Pentax 645D is the most MP of any CCD sensor that I'm aware of.
Forum: Digital Processing, Software, and Printing 03-11-2020, 11:25 AM  
Printer Problems
Posted By Alex645
Replies: 6
Views: 469
Inkjet printers are really designed to be used frequently. Any dormancy leads to clogged ink heads or a lot of wasted ink to clear and clean things.

I've used Epson printers as they are less problematic, but the ink is not cheap and they too need to be used fairly frequently to avoid problems like what you've described.
The only alternative I can suggest is using a digital online printer like Costco.com or Shutterfly.
Forum: Troubleshooting and Beginner Help 03-10-2020, 12:39 PM  
Hot Shoe Cover how important is it and why ?
Posted By Alex645
Replies: 63
Views: 2,060
The "golden age" before hot shoes, where they were just accessory shoes and PC sync cables were used, yes, no need for a shoe cover and SLRs did not come with them.

But every SLR I purchased new (1) Yashica, (4) Minolta, (2) Pentax, (1) Nikon, all came with hot shoe covers. After using an external flash the first time, most of us didn't bother putting that tiny plastic cover back on and they got lost.
I bought two Nikon F3HP which has that annoyingly unique hot shoe around the rewind knob, so those never had a special cover.

I would say it would be very common that any used SLRs did not have their hot shoe covers.
Forum: Troubleshooting and Beginner Help 03-10-2020, 12:19 PM  
Hot Shoe Cover how important is it and why ?
Posted By Alex645
Replies: 63
Views: 2,060
We can assume there is a reason that SLRs came with hot shoe covers, and since you've just bought three recently, and spares are cheap, I'd suggest to buy the covers for 'peace of mind'. Essential? Absolutely not. But TLC adds up in the longevity game.
Forum: Troubleshooting and Beginner Help 03-10-2020, 11:55 AM  
Hot Shoe Cover how important is it and why ?
Posted By Alex645
Replies: 63
Views: 2,060
It depends. Should you use a hot shoe cover?
Shoot mostly indoors? No. Mostly outdoors? Yes.
Never use an external flash? No. Sometimes use external flash? Yes.
Weather sealed camera? No. Non-weather sealed? Yes.
Dry climate? No. Humid climate or near the water/coast? Yes.
Older SLR accessory 'cold' shoe? No. Multi contacts modern SLR/DSLR hot shoe? Yes.

I do believe with older SLRs due to age/oxidation, any reduced conductivity in the shoe contact can affect triggering the flash.

If you never worried about this before, why are you now?
Forum: Photographic Industry and Professionals 03-10-2020, 10:42 AM  
selling photos
Posted By Alex645
Replies: 15
Views: 858
There are many factors in a rubric to determine a fair price that include:

a) the buyer: is "the city" Beverly Hills or Bakersfield?
b) quantity: are they allowed to make only one print or are you giving them unlimited usage?
c) usage: is the city going to hang this in the superintendent's office, use it for bus stops, part of a public service announcement, etc?
d) time: is there a time limit to their usage of the image or can they use it indefinitely?
e) distribution: is this to be used in a commercial shared with millions or for a presentation at handful of community meetings?
f) the photographer: the price is based on perceived value and so a student photographer, a hobbyist, a government employee, a rookie freelancer, and seasoned nationally recognized pro would all have different expectations and prices.
g) the photograph: how easy would it be for someone else to shoot this same image or how difficult or impossible for someone else to produce it?

Because you are giving them the digital file and carte blanche usage, the price should be much higher than if you were selling a single print in a mahogany frame.
If you still have no idea what to charge, ask the city what would be a fair price for them OR what was a comparable price they paid in the past OR if they were to hire you to take that photo, how much would you charge for your time and expenses?

Here's an old school resource that can give you a ballpark on fair price practices:
Photographer's Market 2018: Noel Rivera: 0035313669668: amazon.com: Books?tag=pentaxforums-20&
Forum: Digital Processing, Software, and Printing 03-10-2020, 12:48 AM  
Printer Problems
Posted By Alex645
Replies: 6
Views: 469
IF you've run the printer's ink test and are getting the normal amount of black, cyan, magenta, and yellow, you can eliminate the ink heads or the printer as the cause.

If it appears the printer is at fault, are you using Canon inks and are you certain they are not counterfeit?

When I've had something similar to what you've described on my Epson, it's usually because somehow ColorSync got selected in the printer dialog window for "Color Matching' instead of "Printer Manages Color".
Forum: Photographic Industry and Professionals 03-07-2020, 01:36 AM  
film SLR to DSLR comparisons
Posted By Alex645
Replies: 41
Views: 1,770
I agree if we are talking about aesthetics and subjectivity. But from a purely objective technical comparison, i.e. FF 35mm film vs. 24x36mm FF sensor in the year 2020, are not equals. Is something technically superior also aesthetically or artistically superior? I don't think so. Arguably, it is the inherent flaws of the rendering that can often create style and character absent in a technically superior image.

How about this analogy: Film is an organic more expensive fruit often smaller and with more flavor and flaws and digital is a perfect GMO product?
Forum: Pentax Film SLR Discussion 03-06-2020, 10:29 AM  
The move to Medium Format, so far......
Posted By Alex645
Replies: 16
Views: 1,080
+1 @longbow. “One Lens to rule them all, One Lens to find them, One Lens to bring them all, And in the light bind them.”
Forum: Photographic Industry and Professionals 03-06-2020, 01:36 AM  
film SLR to DSLR comparisons
Posted By Alex645
Replies: 41
Views: 1,770
Digital color surpasses existing color film and papers? Yes. But I have yet have any of my digital prints surpass 120 Kodachrome 64 printed with P30 Ciba/Ilfochrome. As both no longer exists, digital wins, and digital excels when higher ISO is needed.

Totally agree that the difference between analog and digital B&W is tangible.
Forum: Pentax Film SLR Discussion 03-05-2020, 11:43 AM  
The move to Medium Format, so far......
Posted By Alex645
Replies: 16
Views: 1,080
Wow, a 645 body with 220 holder at that price is a bargain. Congrats on that find and building your system.
Forum: Photographic Industry and Professionals 03-03-2020, 01:30 PM  
film SLR to DSLR comparisons
Posted By Alex645
Replies: 41
Views: 1,770
I don't see where I'm suggesting help on choosing a SLR. And where am I arguing to not use an SLR?
Personally, SLR/DSLRs are my camera type of choice. My intent was to consider the pros and cons of film emulsion vs. digital sensors....technical, aesthetic, experiential.

In other words: Although film may be technically inferior, there are still excellent reasons to shoot film that are superior in other aspects.
Forum: Photographic Industry and Professionals 03-03-2020, 11:00 AM  
film SLR to DSLR comparisons
Posted By Alex645
Replies: 41
Views: 1,770
True, but we now live in a world where most "photographers" only experience with film may have been a disposable camera or a Fujifilm Instax.

I think comparisons can be helpful to inform those that have never shot film why you would want to consider using a media that may be technically inferior.
Forum: Pentax Film SLR Discussion 03-03-2020, 10:56 AM  
The move to Medium Format, so far......
Posted By Alex645
Replies: 16
Views: 1,080
....and how does that compare to the Velvia 50 or Velvia 100? I would imagine the new Ektrachrome would rival Fujifilm's Provia 100. Often the edge will go to the chems (Kodak vs. Fujifilm) chems used in processing.
Forum: Photographic Industry and Professionals 03-03-2020, 10:51 AM  
film SLR to DSLR comparisons
Posted By Alex645
Replies: 41
Views: 1,770
In terms of resolution, dynamic range, and ISO range, in 2020 the digital sensor has matched and in most cases surpassed film emulsion.....but there is a subjective difference in both process and results.

a) All digital images are made from the same columns and rows of pixels. No two pieces of emulsion, even from one analog frame to the next, are identical. As an artist, it's the sort of philosophical mindset of hand painting an original on canvas vs. creating a digital painting. Even if both look the same at the non-micro level, the perception of its value is not equal.

b) Although where and when and how you shoot makes a huge difference, there is only one sensor and one processor on a DSLR. With a FSLR you have many options for film emulsions and how to process them BEFORE post. Each emulsion is unique and is another opportunity for the photographer to make a stylistic choice.

c) The process is not the same. When I buy the film, I have to make a conscious choice of color or B&W. I have to have, what Ansel Adams called 'pre-vision' of how the film will translate color or tonal values. I am also hyper aware of the finite number of images I can capture and my intent and care is inherently greater. Film slows the entire process down, and in doing so, forces or encourages the photographer to slow down.

Of course, someone's ceiling is another's floor and what may be a pro for a film photographer is going to be a con for a digital photographer. Flexibility can be a good thing and it can be a bad thing...it all depends on the mindset.
Personally, I love both and use a DSLR when I don't want to worry about mediocre light levels, don't want to spend money on film and chems/lab, don't want to spend time in the darkroom or scanning. But when I'm not feeling....lazy....I will commit to shooting medium format film and embrace the process. Although I can simulate shallow depth of field from an Ilford XP2+ medium format from a 75mm 645A onto a 16x20 gelatin silver print, it simply is not the same aesthetically from a DSLR on inkjet paper; technical superiority is favored by marketing to sell products.
Forum: Pentax Film SLR Discussion 03-03-2020, 10:16 AM  
The move to Medium Format, so far......
Posted By Alex645
Replies: 16
Views: 1,080
Welcome to the MF PF. Love your last shot posted.

Just beware, as you may have already noticed, that the original 645 has a tendency to over react to highlights and underexposes, so for negs, I almost always +1EV or bracket.

When and if you want to explore color, Ektar and Velvia are amazing and worth exploring if you have a medium format film scanner.
Forum: Pentax Full Frame 03-01-2020, 12:43 AM  
Poll: Why did you go full frame?
Posted By Alex645
Replies: 150
Views: 5,385
So true! But a photographer rarely discusses what paint brush they are using too.;)

But out of defense for photographers, books and magazines by and for photographers have commonly included not only the ISO, f/stop, and shutter speed, but also the camera and lens, and in analog times the film too.
Forum: Troubleshooting and Beginner Help 02-28-2020, 09:09 AM  
"Grainy" Colors
Posted By Alex645
Replies: 43
Views: 1,485
It is common for zoom lens at the largest aperture to vignette. Your lens is not defective; it's a design issue. Jpegs processing in camera corrects for this, but you will see it in the RAW file. This is one of the qualities that were improved (but not eliminated) with the DFA* 70-200mm f/2.8.

A lens hood would not fix this. It's mentioned because a hood that is too deep for the focal length, or a round one instead of a tulip could cause vignetting.

Most of us are not bothered by the vignetting unless you have a very light, plain background like ice or snow that really shows it. I have a wide angle prime that vignettes a lot, but I didn't notice it until I used it at the Bonneville Salt Flats in Utah.....very white salt similar looking to ice or snow.
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