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Posts for: zug55
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May 11, 2024 08:42:52   #
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May 11, 2024 08:40:55   #
I pixel peep when I crop a lot, like with wildlife shots.
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May 11, 2024 08:36:25   #
The electronic/silent shutter is the default option on my Sony A7III. There are many advantages to silent shooting. There are no downsides to this other than banding (and rolling shutter).

Banding is a known issue with certain types of lighting, as described by others. The problem with this is that as a lay person it is not always possible to predict whether artificial lights will cause banding. Furthermore, sometimes it is easy to miss it when you check your pictures in camera. (I learned that the hard way.) For that reason, I always switch to mechanical shutter when shooting in artificially lit indoor spaces.

The other possible issue is rolling shutter, the distortion of a fast-moving object in your image. A ball in motion can look like an egg. Switching to mechanical shutter will solve this problem as well.
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May 6, 2024 17:24:12   #
Retired CPO wrote:
I am amazed at all the jitters generated about changing lenses in the field!! I went to Kenya four years ago, so I know a little about dust. But I have lived in the western US for many long years and guess what, there is dust there too! Yes, it IS true! If there is concern about dust while changing lenses in a dusty environment, bring a pillowcase. Change the lenses inside the pillowcase by feel. It's EASY! The ONLY thing I worry about when changing lenses in the field, ANY field, is that I might miss a shot between one lens coming off and the next lens going on!
This is all really ridiculous!
I am amazed at all the jitters generated about cha... (show quote)


I live in Naivasha, Kenya. We have a house keeper who dusts everything in our house three times a week. If you live in the US, you have no idea of how much dust there is in the air in many parts of Africa. There is nothing ridiculous about this.
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May 6, 2024 14:30:24   #
larryepage wrote:
I second this suggestion. Since the sensor densities are similar, you can easily crop the 200-500 images to the 750mm field of view. Your middle gap is then only from 105-200mm full frame equivalent. That's a 2:1 gap instead of a greater than 4:1 gap.


Yes, exactly.

But by doing that you can't go wider than 36mm full-frame equivalent, which in some cases is not wide enough, at least for me.

A lot of it depends on what you want to capture on a safari. Some people want to have close-ups of animals. In this case, having a long lens on a DX camera body makes sense. I live in Kenya most of the year, and I like to take images of animals in the context of gorgeous African landscapes. I often shoot at 24mm for sweeping landscape shots.

I shoot with two Sony full-frame bodies, the A7III with the Sony 24-105mm and the A7RIII with the Sony 100-400mm, sometimes with a 1.4x TC. The 42 MP of the A7RIII allows me to crop substantially, thus extending the reach a bit. This suits my photographic style, but this does not need to apply to anybody else.
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May 6, 2024 12:46:54   #
ricardo00 wrote:
No question is stupid. If I understand you correctly, you have correctly stated how this will work. I often used FX lenses on my DX cameras (the D7200 and D500). I never bought the D850 because I wanted the higher FPS of the D500. When I bought my first mirrorless camera (only recently), I did get a full frame sensor. However, before that, I used many full frame lenses including the 300mm f/2.8, a 500mm f/4, a 500mm f/5.6 and even the 200-500mm like you on these DX cameras, "throwing away" parts of the picture that were not captured on the partial sensor but gaining the extra fps and point of view. For a distant subject, it works perfectly. So no, I don't feel that you need to rent a second D850 if your goal is to use the D7200 and 200-500mm for distant subjects. I hope this answers your question, if not, feel free to ask more questions.
No question is stupid. If I understand you correc... (show quote)


This sounds about right. My only concern would be that this setup will not cover the middle lange from 70 to 300 mm (full-frame equivalent). If you flip the two lenses you can close the gap but lose both at the wide and long ends. Except that changing lenses in the field is not recommended on a safari. But l guess you know the drill.
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Apr 19, 2024 12:17:12   #
The Sony/Zeiss 35mm f/2.8 is my favorite street photography lens. It is tiny (120g) yet a superb lens.
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Apr 4, 2024 05:02:08   #
So many erroneously believe that they can crop endlessly with modern mirrorless cameras. As your example shows, cropping has its limitations.

As this is an indoor shot, you probably used a higher ISO setting. Cropping highlights noise from the increased ISO setting and accentuates the relative softness of your lens.

So my advice on cropping is simple: don't. Get the shot right when you take it. Crop with your feet and/or your zoom lens. If you want a portrait of the boy, take another picture zooming in on him.
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Apr 4, 2024 04:52:00   #
Rongnongno wrote:
Reply in: Best online site to display prints
Well, a print is not digital so... None.

Love the 'upscale' description in your question.

What you should ask is which site will promote your pictures. Quite honestly: NONE.

You need to do your own marketing to sell, do not depend on websites to that for you.


Yep, you can't display prints online.

Flickr ain't bad--at least you can upload the original file size so your image can shine with all its details--not on a smart phone though.

If you are serious about this, you might create your own web site.
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Apr 4, 2024 04:42:30   #
df61743 wrote:
You might consider renting a car and driving out to El Yunque National Forest. Driving there is exactly like driving here, and it's likely to be less expensive than renting a car with a guide driving it.

Dick


I agree with that. El Yunque National Forest is very close to San Juan, and driving in PR is easy.

I was in PR a year ago and booked a day trip from San Juan to El Yunque National Forest. This was a real bust. All these tours hype the waterslide at Las Paylas, which isn't even in the El Yunque National Forest. The area might be lovely, but it has become a victim of overtourism. On the way back, we stopped at a mediocre beach. There was little of photographic interest on this tour.

If you decide on a tour I would book specifically a photography tour. If I could do this again, I would rent a car on go off on my own.
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Mar 24, 2024 13:38:42   #
gwilliams6 wrote:
Look at this review by SAB for your inquiries: https://sonyalpha.blog/2023/10/16/viltrox-28mm-f1-8/

And with their price being almost the same, why would anyone choose the lesser image quality lens, not me, ever.

Cheers and best to you.


I am not questioning the SAB testing. All I am saying is that we should understand what they are testing and what the parameters are, otherwise we might over interpret the results. If SAB specifically tests which lenses are best able to provide the resolution that a 61mp camera requires, then this test has a limited validity if you shoot at 24 or 33mp.
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Mar 24, 2024 13:19:59   #
Canisdirus wrote:
That's true of all lenses.

Glass is a longer term investment. A great lens will be used for decades.

So the lower resolution compromise...is just that...a compromise.
In 5 years, you may just be shooting with a higher MP body...and then you have a lens that you loved...look anemic.

It's better to get the best glass...even if you have to wait a bit to get it. You'll be using it long after you trade up on the body.

It's better to compromise on the body...than the lenses.
That's true of all lenses. br br Glass is a longe... (show quote)


I would not disagree with this. However, many people do not shoot at 61MP now and may not in five years. In that case, a test that specifically examines a lens when attached to a 61MP sensor may not be as relevant.
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Mar 24, 2024 05:37:26   #
gwilliams6 wrote:
In a tough SAB (Sony Alpha Blog) sharpness test, testing their image sharpness on the 61mp A7RIV, the Viltrox 28mm f1.8 tested as "Very Good", while the Sony 28mm f2 tested two whole categories below as just "Average".

I had the Sony 28mm f2 and it was ok on my 24mp A7III, but once I went up in megapixels with later bodies, I sold the Sony 28mm f2 as IMHO its image quality just didn't hold up with fully resolving those higher megapixel sensors, sorry.

Here are the SAB sharpness test results charts. See for yourself:
https://sonyalpha.blog/2019/11/10/which-lenses-to-maximise-the-potential-of-the-sony-a7riv/

FYI, right now the Sony 28mm f2 lists for $448 USD new on Amazon: https://www.amazon.com/Sony-SEL28F20-Standard-Prime-Mirrorless-Cameras/dp/B00U29GN6O

The Viltrox 28mm f1.8 lists for $379 USD new on Amazon: https://www.amazon.com/VILTROX-28mm-F1-8-FE-Wide-Angle/dp/B0C55CVMWC/ref=sr_1_3?crid=828SAGPFLF30&dib=eyJ2IjoiMSJ9.WXnkJG6fPJl4SmwruiDmpR1kMhYgwkRYOimZQGHlrgDPBE05_NfVMOAHddVyRqs-GtnHBXtSxfKl63Spt3ZsQImFYy6vIpf1A2OAopzbLV63-vXU2AR9p4G3GFj_rN8kNrPUx1agQNj5TDiK9Z7f_eUeVz34iXW53Z7urheCW2i79O9plMf7nBNOLBZ263-yqsE31lWyGPwfi7h5VEdPeJsIjcHQVib3wKCNnQbZG27dg_ZOPSgLenL58HbAvnZZzLmSaqOaAfNN7NR-VKLmWdwgFKGy_ktSDlkr_PaIMqY.Ps44dSaRRHBWrNsxYFJFtyLEiLyslJCtw8PT5a8nnKM&dib_tag=se&keywords=Viltrox%2B28mm%2Bf1.8%2Blens%2Bfor%2BSony&qid=1711251718&s=electronics&sprefix=viltrox%2B28mm%2Bf1.8%2Blens%2Bfor%2Bsony%2B%2Celectronics%2C137&sr=1-3&th=1

The sharper lens costs less in this case for a new lens.

CLICK ON DOWNLOAD of attached file (below), to see a sharpness comparison chart at various f-stops of these two lenses and some other competitors. My recommendation between the two would be to choose the Viltrox.

FYI, I have owned Sony A6500, A7RII, A7RIII, A7III, A9, A7RIV; and currently own A1, A9III, A7RV. I currently have 13 E-mount lenses covering 10mm to 600mm from Sony, Sigma Art, Tamron, Viltrox and Laowa. Viltrox quality and value is excellent.

Cheers and best to you.
In a tough SAB (Sony Alpha Blog) sharpness test, t... (show quote)


I think that it makes a big difference whether you test a lens on a 61 MP or 33 MP body, which is the sensor OP is using. Older lenses, like the Sony 28mm lens, show their limitations on high-resolution sensors while performing well at lower resolutions. This is why the Sony Alpha Blog tests have to be taken with a grain of salt.
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Mar 22, 2024 08:15:36   #
Size matters--at least for street photography. The Sony weighs 200g, while the Viltrox weighs 367g, and is accordingly a lot larger. I have used the Sony 28mm f/2 for street and liked the results. Yes, the Sony 28mm is an older lens, but it performs well in every respect. I use the Sony Zeiss 35mm f/2.8 more frequently as I prefer 35mm for street. Plus the lens at 120g is tiny. To me, speed doesn't matter much for street as I shoot at f/8 anyway to increase the depth of field.
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Mar 22, 2024 01:41:09   #
Linda S. wrote:
Hi everyone! I signed up with Natural Habitat/World Wildlife Fund to take their photo tour in Kenya next September 2025. I could not have done it so quickly without all your input. Many!! tours are already filled.


Dear Linda,

Congratulations--I think that this is a good choice.

Let me address some Kenya-specific issues that have come up, as I live in Kenya most of the year.

Malaria primarily is endemic near Lake Victoria and at the coast. Kenya is different from other safari destinations because many destinations in Kenya are at a much higher altitude. My house near Naivasha is at an altitude of 2,100 meters, so there is no malaria here. The same is true for other destinations like Nairobi, Nairobi NP, Lake Naivasha, Hell's Gate NP, Lake Nakuru NP, Aberdare NP, and so on. Even in Maasai Mara, malaria is rare. Generally, in altitudes above 1,500 meters the risk is much lower. In other, lower-lying destinations malaria is mostly seasonal: risk is highest during the rainy season and right after. Depending on where you go, bringing a good mosquito repellent and protective clothing will suffice. I am sure your travel provider will give you more information on that.

Other illnesses: I would check with your medical provider (or travel clinic) to make sure you have the necessary immunizations, like yellow fever, hepatitis A and B, meningitis, cholera, and typhoid. If you start planning now you have plenty of time.

Food safety: your tour company will take care of that. I eat on the local economy all the time and never had a problem. When I eat out, I generally stay away from uncooked foods. Fruit at the market is fine. Always drink bottled water, which is easy to find in Kenya. Lodges, hotels, restaurants, even little stores, etc. have it readily available.

Climate: in higher elevations, Kenya has a moderate climate. In Naivasha, where I live, temperatures don't ever reach 30 degrees Celsius--a really hot day is 28 degrees (82F). The nights are generally cool and even cold, so bring long-sleeve shirts (also for malaria protection) and a light sweater. In lower altitudes temps are little warmer but not intolerable. Only the Lake Victoria area and the coast experience really tropical climates. Keep in mind that the sun is very intense so it may feel very hot and uncomfortable in the sun. Bring a good hat, sun screen, sun glasses, and protective clothing.

The main rainy season here is April and May (we are in a dry spell now, but a wet Easter is forecast). The secondary rainy season is late September to late November. Patterns can shift a little, particularly due to climate change. Since you plan to travel in September you will be at the end of the dry season--I assume you picked the date because it is migration season at Maasai Mara.

Scammers. Most people are honest here, just like everywhere else. Scammers do exist, with a bit of common sense they are easy to spot. On a safari, you will be mostly sheltered from that anyway.

Snakes: they do exist, obviously, and some are venomous. Frankly, I have seen only one so far, a harmless one. You will spend most of your time in your safari vehicle as in Kenyan national parks you are not allowed to get out except for in designated areas. There are some exceptions: you are allowed to walk in Hell's Gate NP because there are no big cats there.

If you have any questions please send me a private message.

Have a great trip, Peter
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