For astrophotographers, Rokinon has wide angle, wide aperture manual focus lenses available
with focal lengths of 8 mm, 14 mm, 16 mm, 24 mm, and 35 mm.
Combine
with the focal length to get a wide but detailed view.
To test the concept, scientists have built two small satellites called cubesats that will practice lining up in orbit to construct a single telescope
with a focal length as large as the distance between them.
It is worth pointing out that «standard» iPhone pictures have a nice level of background blur automatically,
with the focal length automatically finding a nice depth of field for whatever you're trying to snap.
It has a rear dual - pixel 12 - MP OIS camera and a front 5 - MP camera, both
with a focal length of F1.7.
The default wide lens,
with a focal length of 26 mm, manages sharp images with your entire frame in focus.
The front - facing camera shoots at 1920x1080 pixels and offers support for video calls and video recording,
with a focal length of 24 mm.
This is equivalent to a 35 mm
with a focal length of 28 - 84 mm.
In terms of field of view, a wide angle lens
with a focal length of 14 mm on a full frame or 10 - 12 mm on a crop frame should be sufficient.
Not exact matches
It has a MASSIVE 6 inch aperture, paired
with an equally huge 1,200 mm
focal length!
When in doubt, choose a telescope
with both a large aperture and
focal length.
This technology, paired
with DJI's new 28 mm
focal length lens and professional 1/2.3 inch CMOS image sensor makes for some of the absolute best drone videos and photos we have seen.
The NexStar Evolution has an amazing 9.25 inch aperture paired
with a huge 2350 mm
focal length.
Takeaway: Your telescope's
focal length is less important than its aperture, but if available, buy a scope
with a larger
focal length for extra magnification.
One approach would be to attach a rigid lens
with fixed
focal length to each detector on the flexible array.
To solve this problem, the Columbia Engineering team developed an adaptive lens array made of elastic material that enables the
focal length of each lens in the sheet camera to vary
with the local curvature of the sheet in a way that mitigates aliasing in the captured images.
The metamaterial flat lens achieves its refractive action over a distance of about two wavelengths of UV light, about half a millionth of a meter — a
focal length challenging to achieve
with conventional refractive optics such as glass lenses.
As theoretical calculations have shown, all layers of such a «wedged» MLL must lie perpendicular on a circle
with a radius of twice the
focal length.
The second pair of cameras, fixed -
focal length Mast Cameras (Mastcams)
with a 34 mm and 100 mm
focal length, were delivered in March 2010.
Uzo lets her voluminous Rosie Assoulin top and matching ankle -
length skirt be the
focal point
with minimal accessories (just a matching lip, nude pumps and gold clutch) at a dinner hosted by Harper's Bazaar in N.Y.C.
And, of course,
with a 600 mm lens, your
focal length is very shallow.
«He's one of those directors that took the time to study what the different
focal lengths are and what they make you feel and what resonates
with him,» she said.
It takes an adjustment in
focal length, and some people
with glasses may find it difficult to adjust vision to it.
16MP Rear camera
with LED Flash, F / 2.0 Aperture, 35 mm
focal length, PDAF (0.03 seconds), PixelMaster Technology, Slo - motion shooting, 1080p video at 30 fps
The front camera sports a 16 - megapixel sensor
with an UltraPixel mode, a BSI sensor, an f / 2.0 aperture
with a 28 mm
focal length.
The front facing camera is 5MP and comes
with a 1.34 um pixel sensor, laser Autofocus, BSI sensor, OIS and a f1.8 aperture and 23 mm
focal length.
First is 12MP (wide angle) camera
with Sony IMX362 sensor, F / 1.7 Aperture, 6P lens, 1/2.55 - inch Sensor size, 82 - degree FOV lens and 25 mm
focal length.
Primary one is of 13MP and comes
with F / 2.0 Aperture, 26 mm
focal length, 80 - degree wide angle lens, PDAF (in 0.03 seconds) etc..
By investing in a range of lenses you can produce images in a range of scenarios — architecture, interiors, even wildlife — that would be more difficult
with the limited range of
focal lengths available
with the standard kit lens.
To get the last 2 % and increase your profile to 100 % Simply race Mars track 1 on Quick race
with the «Ultra
Focal length» easter egg on as the character KUTOO.
These reflectors use the Fresnel lens effect, which allows for a concentrating mirror
with a large aperture and short
focal length.
The solution to turning this idea into reality is to have a two camera setup on the handset, each set
with different
focal lengths.
Thanks to the dual - camera setup, users will be able to snap full - res photographs
with two different
focal lengths.
If a lens
with a 50 mm
focal length is set to an f - stop of f / 2.0, the aperture is 25 mm wide — you divide the
focal length (f) by the number underneath.
The piece is shot
with Lytro's Immerge light field camera, which records different
focal lengths to create three - dimensional space out of a video feed.
Street photography is really accessible, the kit lens that comes
with most cameras handily covers both traditional
focal lengths and most smartphone cameras have a lens that's roughly equivalent to 35 mm.
The iPhone 7 Plus, for instance, features a medium
focal length second lens and specialized software that allows it to emulate,
with some success, the shallow depth of field photography that's traditionally been associated
with dedicated DSLR and mirrorless cameras.
The P20 Pro comes
with two claims to zoom fame — the difference in
focal length means it offers 3x Optical Zoom, but the 5x Hybrid Zoom works almost as well as the optical zoom.
It also has a 5 - MP wide angle front camera
with F2.2
focal length.
Rather than have a second camera
with a longer
focal length, the Omega has one
with a fairly standard
focal length, but higher resolution, so that zooming is accomplished by cropping its 23MP image.
The Note 8 comes
with a standard 12 - megapixel f / 1.7 camera and a secondary 12 - MP f / 2.4 camera
with a longer
focal length, which is a 2x zoom of the main camera.
OnePlus has opted for a new secondary lens
with f / 1.7 aperture and 27.22 mm
focal length which enables better low light photos.
The Hoya designed lens has a 35 mm equivalent
focal length of 28 mm to 84 mm and a variable aperture between f / 2.7 and f / 4.8, allowing smartphone photography enthusiasts to get pretty creative
with their compositions.
The
focal length option is the icon
with the mountain and the flower.
There's now a dual camera system on the back made up of one 16 - megapixel camera
with f / 1.7 aperture lens and one longer
focal length 20 - megapixel camera
with f / 2.6 aperture lens.
The primary sensor at the rear is a 16MP Sony IMX398 sensor
with 1.12 um pixel size, paired
with a 27.22 mm
focal length f / 1.7 aperture lens.
That means you are just cropping in and getting a lower resolution final image, instead of using the lens
with double the
focal length.
The other part of the equation are Samsung's new dual rear cams, which pairs the S8 and S8 Plus» camera
with a second 12 - megapixel sensor
with doubles the
focal length.
This means that a photo is simultaneously captured from both the wide and telephoto lens
with only a single press of the shutter button, saving you the hassle of switching back and forth between lenses when you want to capture two
focal lengths of the same subject.
If Apple gets this right, along
with the two
focal lengths, it's going to give a lot of pros and enthusiasts even more reason to leave their large rigs at home.