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Today's Threads. The Pentax uses phase detect, not contrast detect like the XP does, which is why a confirmation of focus is possible. Two different methods. Tim Rule Active Member. The square seems somewhat superfluous, although it is used with the AF-L button to get a focus in manual focus mode.
And it can be moved which is remarkably useful when using manual focus and a tripod to get a quick "focus assist" at some of center point before using the zoom assist to finish the job. Will that ever make it to the XP1? Doubt it myself. Click to expand I thought the focus peaking system in the XS requires the sensor with on-board phase detection.
I would be really surprised if the X-Pro 2 did not have this feature with the newer sensor used in the XS.
That is not quite my understanding. The "split image" focus confirmation works using the PDAF pixels on the sensor, and may also require "knowledge" of the lens being used, since most PDAF systems "on sensor" require calibration of how cones of light from a specific lens fall onto those pixels to work. I don't think the focus peaking feature uses the PDAF sensors.
Focus peaking and split-image focusing are two distinctly different processes. I am curious about the "focus peaking". After firmware upgrade 2. In certain situations I see it even in normal view EVF. Has anyone found an explantion for that affect? And does it in any way relate to focus peaking? MarkHayesPhotography New Member. I would love it if There was a way to add focus peeking to the x-pro1 with firmware, but think it might be something that has to wait for the next version in a year or to.
I loe using old lenses with adapters on ths camera. Post reply. Insert quotes…. Photos, printed on Canon or Permajet paper, exposed to light faded dreadfully! Printing Instax and others. Replies 10 Views Using the lock exposure button freezes a few other options too X Camera Discussions. Replies 27 Views 2, Our analog cameras - photos and comments My latest love affair..
Forum Cafe - Everything Off Topic. Replies 4 Views Architecture with the Very interesting looking building xanadu! What are those coloured objects on the middle floor? Nikon Nikkor Z mm F2. Nikon Z9 initial review. Sony a7 IV initial review. Discover more challenges ». Leica M11 8. Popular interchangable lens cameras ». Popular compact cameras ».
Shedding some light on the sources of noise. Mobile site. Reproduction in whole or part in any form or medium without specific written permission is prohibited. Flat view. Manual focus confirmation on Canon 70D. Apr 24, Apr 26, Apr 27, Apr 25, May 6, Thus, the focal length of the lens, the shooting distance and the size of the film or sensor are responsible for the so-called depth of field.
The focusing region designated as the depth of field is the extent of the range in the object space of an imaging optical system. This region is rendered in acceptably sharp focus on the focal plane. You can read about the effect that slight defocusing has on image quality in the article "Measuring lenses objectively" which appears in Camera Lens News Nr. This article shows how important precise focusing is whenever a photographer intends to produce big enlargements or requires optimum quality for any other reason, and not only when using wide apertures.
The question of what main subject to focus on obviously comes down to the taste of each individual photographer. Nevertheless, there are not likely to be any significant differences in opinion when it comes to choosing the optimum focal point for reproductions of a painting or photographs of a mountain chain that stretches into the endless distance. Equally, traditional portrait photography continues to reserve maximum sharpness for the model's eyes.
Tinkering with sharp focus and blur is one of the most fundamental creative aspects of photography. The fact that our environment is three-dimensional means that people can have differing views on what should be depicted with clarity and what should appear in a sketchy or blurred form, for example when searching for the right focus in a group of people seated around a circular table under difficult lighting conditions. Checking the depth of field using the camera's preview button is one technique that can be useful.
Good results can also be achieved by the use of face recognition software in modern cameras that focuses the lens on the nearest person, especially when using compact cameras with small sensors and short focal lengths. However, this is clearly inadequate for the purposes of carefully arranged photography using SLR or rangefinder cameras, where high apertures and longer focal lengths are the norm.
In these situations, the photographer is still required to choose the required autofocus frame or select a subject using the manual focus function. The photographer's aim here is to create a powerful, unique image.
Any small deviations in the focal plane could potentially diminish the technical achievement of the image or even completely alter the impact of the photo, whether deliberately or not.
Autofocus systems have undergone major developments since they were first introduced in cameras in the s. Manufacturers have steadily improved their systems' performance and efficiency in daily use, and the combination of an increasing number of AF points in the camera bodies and ultrasonic motors in the lenses has facilitated fast and smooth focusing for the phase AF systems typically found in today's SLR cameras.
For some applications, it is precisely this speed that marks the key benefit over other AF methods such as the contrast-based AF typically found in digital compact cameras or manual focusing. Good AF systems can generally achieve a very high number of "hits" in terms of the sharp images they produce with long telephoto lenses in situations such as taking shots of cheetahs in the wild, snapping celebrities from within a pack of paparazzi or photographing footballers on the playing field. Carefully framed landscape shots, images of buildings or architectural details and meticulously arranged tabletop displays in a photographer's studio are unlikely to require the use of autofocus.
Equally, both spontaneous portraits and reportage shots can achieve the same focusing precision by manual means as by using an AF system.
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