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Forum: Pentax SLR Lens Discussion 20 Hours Ago  
Lens upgrade for wildlife photography
Posted By automorphism
Replies: 40
Views: 1,132
I used to use the FA* 300 f/4.5. Great lens, and seemed to have a sweet spot around f/6.3. But actually it is worth it to upgrade your body sometimes because certain kinds of wildlife tends not to stay still sometimes you still need high ISO with fast shutter speeds.
Forum: Pentax DSLR Discussion 3 Days Ago  
SOOC: a detrimental choice or beneficial?
Posted By automorphism
Replies: 40
Views: 1,390
Shooting SOOC could be a good exercise to force you to think more about exposure and settings. But in the end for many shots, they will look a lot better if you just postprocess them yourself when it comes to emphasizing tonal differences in the parts of the image you want them emphasized. Just basic stuff like exposure, sharpening, etc. can be done well in the camera, but if things like custom tone curve are better done editing. Not saying you can't get good SOOC jpegs, but in the long run you will miss out on a lot if you don't postprocess. Not everyone cares about reaching that level though, just like not everyone cares about tack sharpness, so you have to make a choice about what you do care about.
Forum: Non-Pentax Cameras: Canon, Nikon, etc. 02-20-2021, 11:26 AM  
Canon RF 800 mm for $ 1250 Cdn. ! Will this be a hit...or what ?
Posted By automorphism
Replies: 34
Views: 1,224
I would absolutely get this lens if I were on a tight budget. I think it will even better with the new canon R7 because of the price of the combo. For good light birds, 800mm is a whole lot of reach. That being said, I find f/7.1 to be a little limiting even during cloudy weather or forest shade, so for generalist birding, there are other way better lenses. But for someone who wants to add a little birding into their mix, especially with slower moving birds like ducks and geese sitting on rocks, this is a pretty decent option and far better than those old mirror lenses.
Forum: Photographic Technique 02-17-2021, 04:56 PM  
Posted By automorphism
Replies: 59
Views: 2,898
For me it depends on the subject. I love portraits taken wide open with a fast fifty or 85mm, even if the lenses are a little soft. For birds, I am a sharpness addict, not happy unless the feathers show moire because the lens so so sharp. hahaha
Forum: Pentax SLR Lens Discussion 02-11-2021, 07:04 PM  
Looking for 200-400mm Lens
Posted By automorphism
Replies: 21
Views: 1,141
For my zoom needs I have the Tamron 150-600 G2. It has a soft lock at any focal length. It can be engaged by a slight push of the focus ring. It is actually quite stiff and the lens just does not move at all with it locked. I wish more lenses had this feature.
Forum: Pentax SLR Lens Discussion 02-11-2021, 03:35 PM  
Looking for 200-400mm Lens
Posted By automorphism
Replies: 21
Views: 1,141
The 150-450 really is the best option. I have seen some good shots taken with the 120-400 but I believe the 150-450 is superior (it should be).
Forum: Homepage & Official Pentax News 02-08-2021, 06:15 AM  
Laowa 100mm f/2.8 2x Ultra Macro APO Review Posted
Posted By automorphism
Replies: 1
Views: 253
Nice review. I have been thinking about getting this lens for ages and I think I'll pick one up once spring comes around and there are actually things to shoot. I was particularly glad to read that the lens seems well made and that the center sharpness is great.
Forum: Pentax K-01 02-07-2021, 09:48 AM  
Anyone in Canada willing to loan out a K-01?
Posted By automorphism
Replies: 12
Views: 839
I think that is a little harsh on DPreview. Chris and Jordan's review videos are actually pretty decent, and don't involve much taunting or goading. Yeah, sometimes they might have bias or make fun of Pentax, and maybe there is an undercurrent of baiting on their site, but there are also a lot of knowledgeable and excellent photographers on their forums. I know their ultimate motivation is promoting Amazon sales through GAS, but I do believe a lot of the staff do a decent job and try their best with giving gear information. I mean, after all, it is a gear site and so there is bound to be a little spec-sheet bashing, but I don't see much point in getting emotional about it.
Forum: Pentax SLR Lens Discussion 02-07-2021, 09:42 AM  
500mm Aubell Lens, F8, is this worth buying?
Posted By automorphism
Replies: 9
Views: 597
I have a Tamron 55BB 500mm f/8, one of the better 500mm mirror lenses. While in theory the image quality is acceptable under the most ideal conditions, it is exceptionally hard to focus being an f/8 lens. It can take good shots of flowers and large, slow moving mammals. It is horrendous for birds. Even with good technique, the keeper rate is like 1/30. The only reason why I've kept the lens is because I like the quirky bokeh and it is passable for video in a tight spot....though I am not sure I am going to keep it much longer.

Although 500mm is nice, you really have to know what you are gong to use it for. It is nothing like carrying around a modern supertelephoto 500mm (which I do on a regular basis), which can be used in almost any situation without a second thought.
Forum: Product Suggestions and Feedback 02-07-2021, 09:33 AM  
K30 / K50 aperture issue
Posted By automorphism
Replies: 14
Views: 2,247
I have seen a few posts from K70 users experiencing the black frames characteristic of aperture block failure.

I used the K-50 and had aperture block failure BTW. I am kinda sad about it as it was my first ILC camera.
Forum: Pentax K-01 02-07-2021, 09:17 AM  
Anyone in Canada willing to loan out a K-01?
Posted By automorphism
Replies: 12
Views: 839
DPReview could buy the Canadian one on ebay (I'm not affiliated with the ebay seller btw), and then just sell it again.
Forum: General Photography 02-06-2021, 07:36 PM  
K-3 is it ok
Posted By automorphism
Replies: 6
Views: 616
That K3 should last you many years with that shutter count. Plenty of life left in it!
Forum: Photographic Industry and Professionals 02-05-2021, 11:58 PM  
Cipa numbers.
Posted By automorphism
Replies: 6
Views: 631
I think so...COVID seems to the bottom of almost everything. Already many companies are recovering from the pandemic so I think it's likely that the camera industry will too. (By recovery here I really mean it will stabilize, but at a reduced size, but yet the financial health the companies will increase.)
Forum: Repairs and Warranty Service 01-29-2021, 03:04 PM  
Posted By automorphism
Replies: 11
Views: 903
I would sell the old one at a discount and buy a new one.
Forum: General Photography 01-28-2021, 05:19 PM  
When to turn off IBIS?
Posted By automorphism
Replies: 29
Views: 1,244
I turn it off when the camera is on a tripod and using a shutter remote for bracketing/alignment. If the IBIS is on, it shifts the image a little due to the way IBIS works so alignment works better and wastes less pixels when IBIS is off.
Forum: General Photography 01-20-2021, 06:23 PM  
Poll: In portraiture, how important is critical focus on the leading eye?
Posted By automorphism
Replies: 35
Views: 1,548
I consider it essential. I know a portrait can still be pretty good if it is slightly off, but I also shoot for myself and it bothers me too much for me to consider a portrait printable if the leading eye is not in perfect focus.
Forum: Digital Processing, Software, and Printing 01-07-2021, 09:14 AM  
Capture One raising pricing
Posted By automorphism
Replies: 16
Views: 859
I don't really believe this is true at the time Adobe actually switched to subscription. At least, an Adobe exec said in an interview that piracy was not the motivator. I actually believe them. Despite piracy, Adobe was making a profit, but they realized they could even make a bigger profit with the cloud.

Also I'm not surprised Capture One is doing this. Typically when software products reach a certain maturity and market share, customers have a sufficient level of dependence to make raising prices bring more profit (because they don't lose that many customers). That's one reason why I hate the subscription model and use darktable.
Forum: Pentax K-1 01-05-2021, 12:05 PM  
I love my K-1, but...
Posted By automorphism
Replies: 39
Views: 2,273
Haha, I forgot to say that I leave the cable dangling from my desktop.
Forum: Pentax K-1 01-05-2021, 11:59 AM  
I love my K-1, but...
Posted By automorphism
Replies: 39
Views: 2,273
I just use the cable to transfer images. That way, the card never leaves my camera.
Forum: Pentax Full Frame 01-05-2021, 11:33 AM  
PENTAX K-8 ? K-1 Mark II successor... What will it be/look like?
Posted By automorphism
Replies: 76
Views: 4,482
That is true but doesn't that still change the workflow? With smaller pixels, even though there is no more noise, at 100% crop there is more apparent noise and that might change the overall look of the image. By doing some noise reduction, you are essentially doing the "averaging" and it is true given otherwise identical sensors you end up with roughly the same image as a lower megapixel sensor. However, you still have to go through that extra step or additional noise reduction, which may further cause artifacts because the denoising algorithm may not be as nice as the physical averaging taking place by having smaller pixels.

Someone posted a comparison on DPreview of this. It wasn't perfect but it did compare two similar full-frame cameras with different pixel densities. While both images had about the same amount of detail and noise when properly scaled, the higher res sensor didn't look at nice without a little extra noise-reduction to do the "averaging" we are talking about.

I might not have explained in clearly enough, but imagine it on the level of a single pixel. Now imagine a camera where that single pixel is replaced by four pixels. The four pixels will all of slightly different colours due to noise, even though their average is the same as that one large pixel. However, that additional variation can still be present in the larger image. By doing noise-reduction, you do that averaging process approximately, however that takes more work and moreover won't work exactly the same as the physical averaging process by having larger pixels.

So, while the conclusion is that the overall noise performance is the same, the larger pixel sensor may still require less work to get it to look a certain way, just because the averaging process already is like a built-in noise reduction.
Forum: General Photography 01-03-2021, 11:13 PM  
Back to Pentax
Posted By automorphism
Replies: 7
Views: 1,753
I think your story shows how important it is to have gear that you can connect to. Something a little off in the ergonomics can make a shooting experience not quite right in my opinion.
Forum: Post Your Photos! 01-03-2021, 11:11 PM  
Nature Bird photography - Woodreaux Peckriale' - no feeders or cages.
Posted By automorphism
Replies: 7
Views: 374
Nice capture and good catchlight with warm light. Persistence like this usually brings something really good.
Forum: Pentax News and Rumors 12-31-2020, 08:11 PM  
Pentax K-3 Mark III - First Hands-on
Posted By automorphism
Replies: 690
Views: 50,506
I think off-camera flash is amazing. You can get cool results with it that are pretty much impossible or very difficult with natural lighting. On camera speedlights works pretty well if you are bouncing. But direct built-in flash is pretty horrible.
Forum: Pentax DSLR Discussion 12-29-2020, 09:29 AM  
Pentax's K3 and K30, K5ii and K50 "golden year" - a personal and subjective view
Posted By automorphism
Replies: 13
Views: 2,318
Personally, I think today's cameras from most manufacturers capture my imagination the most. The cameras back then were more frustrating, with fewer lenses that I liked. The ISO performance in the K50 days was about one stop worse than now and that was extremely frustrating. Now I feel that they are just right. Keep in mind I am a bird shooter though so such things like one stop of ISO performance actually impacts my daily shooting and makes for far less postprocessing.

If I were a portrait or landscape photographer then cameras like the K5 are already superb.
Forum: Post Your Photos! 12-28-2020, 02:54 PM  
Nature Mourning Dove
Posted By automorphism
Replies: 6
Views: 373
That is so interesting! I did not know that, thanks for that cool fact. I have not seen the Inca dove but hope to some day :)
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