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Search results for "aperture"

Tripod or not? Learnt my lessons!

Basically I am not very fond of tripods. On rare occasions you need one and still you have to carry them around all the time. Another reason for not liking them is the lack of flexibility in positioning the camera (for example, horizontal or vertical, or the position I want to take). So, I never take a tripod with me.Coming back from Xi'an in China I noticed that in the hall of the Terracotta Army quite a few pictures had an ISO value of 6400 or close to it. And that the Shutter Speed I choose... continue reading

Tips for creating sunstar images

In photography, sunstars are images of either the sun or a bright light source like a sodium vapour lamp, which appears as pointed star shapes. One such image of a light house at sunset is shown here. Sunstars can be created by using a small aperture of the lens. The pointed lines are a result of diffraction, which is generally hated in the photography community. However, if diffraction is used correctly, it can create interesting sunstars with very low loss in image sharpness (when viewed... continue reading

Shooting Manually - For Newbies

I remember when I shot my first time exposing the image manually and noticed the richness of the images compared to the middle grey look of the automatic setting. Previewing the image through the lens before I clicked was how I decide the setting for the shot. I could view the scene, move the F-stop or shutter setting and see the changes in the viewfinder. Shooting manually is great when it is FULL manual. Both F-stop and shutter are independent settings. You can start with the settings that... continue reading

How I'm Using My Budget Lenses

I'm a Nikon D90 owner and I bought my camera with a typical kit that very much available in my country. D90 body, an 18-55mm VR plus a 55-200mm VR and a nifty fifty (50mm f/1.8 non AFS version). I added a battery grip and Flash to it later.When first time I joined here, every photo I uploaded were rejected. I wrote another blog about how I learned to use the gear properly - you can check it out here - What Dreamstime Thought Me I discovered what the sweet spots are. And also learned... continue reading

Getting Settings Right

I have always had a great passion for photography. I can still remember my first old 'point and shoot' camera my granddad gave me when I was six years old.I have recently bought myself the 'real deal' camera, complete with lenses, timer switches and the rest of the bells and whistles you can expect these days.It took me quite a while to get to grips with all the settings one had to balance with each other in order to get it just right, or shall I say: "as close as as possible to right", but... continue reading

What is a T-Stop

If you been shooting images for any amount of time you are certainly familiar with f-stops and apertures.The f-stop is a ratio between the focal length of a lens and the size of the physical aperture opening in the lens.The longer the lens (telephoto) the larger the physical aperture size to maintain a similar exposure.A related concept from the motion picture industry is the concept of the t-stop.This is related to a f-stop, in that they both have the same physical size and depth of... continue reading

A traveling foodie

As mentioned in some of my other blogs, I have the unique opportunity to travel the world for my engineering day job.This has brought me to places throughout North America and Asia.During the course of my travels I have been exposed to a variety of unique foods, from duck blood to sea cucumber.Some of the food has been great while some of it, not so much.To help capture some of these images, I usually bring a prime lens with the lowest aperture f1.8 in my camera bag.While I would love... continue reading

Lens big aperture photo!

I use my Olympus 50/2 fixed-focus camera shot some chrysanthemum photos, the use of large aperture shooting, feeling the effects of grammaticalization background can also, don't know "DT" friends, do you feel? continue reading

Lesson 4: shutter speed, and how it works alongside aperture

It’s time for another blog post following on from my previous discussions on photography basics. As always, this is to celebrate having another handful of photos accepted on Dreamstime. I have now made a massive 42 accepted images, my latest one taken on a worldwide photo walk in Paddington:So earlier I talked about choosing cameras and available lenses, and I have also mentioned camera apertures and the way in which the size of the aperture (or hole) through which light passes... continue reading

Diffraction on smaller aperture values TEST

This post was continued with some tests: https://www.dreamstime.com/thread_29668Test finished (at least, a preview).http://alveraphoto.blogspot.ro/2012/08/diffraction-on-smaller-aperture-values.htmlTest subject: a small part of acrylic on canvas covered with varnish (lake protection). For next test I will use a towel (thanks Afagundes).Test conditions: Nikon D90 body, Nikkor 35mm f/1.8 AF-S DX, f/1.8 - f/22, Giottos MT9361 tripod, exposure delay mode ON (anti-vibration).Tethered shoot... continue reading

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