10 ENGLISH BOOKS RELATING TO «EQUIVALENT FOCAL LENGTH»
Discover the use of
equivalent focal length in the following bibliographical selection. Books relating to
equivalent focal length and brief extracts from same to provide context of its use in English literature.
1
Digital Photography: Top 100 Simplified Tips & Tricks
To make it easy to compare angles of view, the camera industry often uses the
term “35mm equivalent focal length.” This is simply a way to compare focal
lengths to a single reference and does not mean the focal length actually
changes.
2
Competition Science Vision
PT = P2 or ^ = f2 then the equivalent power of the system is zero or the equivalent
focal length is infinite. • So, in this case the doublet behaves as a parallel sided
glass slab. Some Interesting Cases • If two thin lenses of same nature are put in ...
This book Ray Optics cover the syllabus of ray optics for most of the universities in India.
4
A Complete Course in ISC Physics
The focal length of such a lens is called equivalent focal length. Consider two thin
lenses Ll and L^ of the focaJ lengths/! and/2 respectively to be in contact on the
same axis. Let 0 be a point source of monochromatic light on the axis and /' be ...
5
Competition Science Vision
... 1 1 1 F fl fm fl = T since fm = (b) Focal length of a planoconvex lens silvered at
convex surface — by— O object Equivalent focal length of the effective lens is
given 1 1 1 2 1 Here fm is the focal length of convex reflecting surface and fm = R/
2.
A convergent doublet of separated lenses, corrected for spherical aberration, has
an equivalent focal length of 10 cm. The lenses of the doublet are separated by 2
cm. What are the focal lengths of its component lenses: [Ans. fx = 20 cm and f2 ...
Find the focal lengths of the lenses and the equivalent focal length of the eye-
piece. Solution : We know that, for Huygen's eye-piece, the distance between two
lenses, d = 2f where /is focal length of eye-lens and the focal length of field lens ...
Dr. R. K. Agrawal, Dr. Rekha Sharma, Dr. Garima Jain
8
A Text Book of Optics (m.e.)
Derive an expression for the equivalent focal length of a system of two thin lenses
separated by a finite distance when the space between them is filled with a
medium of refractive index |.t (it > 1). Derive expressions for the equivalent focal ...
N. Subrahmanyam, Brij Lal, M.N. Avadhanulu, 2004
9
Landscape Photography: From Snapshots to Great Shots
sensor size and eqUivaLent FocaL Length Because sensor size acts like a film
format, the same focal length acts differently on cameras with different sensor
sizes. We need to have some way of talking about this when we're looking at
focal ...
10
Advanced Underwater Photography: Techniques for Digital ...
Fortunately, manufacturers provide “multipliers” that will allow you to determine
an equivalent focal length. Let's look at an example. The multiplier for a Canon
DX dSLR is 1.6. So, if we have a 100mm lens for the camera, we multiply the
focal ...
10 NEWS ITEMS WHICH INCLUDE THE TERM «EQUIVALENT FOCAL LENGTH»
Find out what the national and international press are talking about and how the term
equivalent focal length is used in the context of the following news items.
Nikon's AF-S DX Nikkor 16-80mm f/2.8-4E ED VR Raises the Bar …
Nikon's latest DX-format lens offering is its most interesting and promising yet. Covering a 24-120mm full-frame-equivalent focal length, the ... «Fstoppers, Jul 15»
Panasonic HC-WX970 review
... 18.9-megapixel primary sensor, paired with a 20x optical zoom lens with a 4.08-81.6mm equivalent focal length and f/1.8-3.6 aperture. «Expert Reviews, Jul 15»
DJI Phantom 3 review: an aerial photography drone for the masses
To further help with this, the camera now has a narrower field of view -- 94 degrees, down from 140 (with a 35mm-equivalent focal length of ... «Engadget, Jun 15»
Canon reveals the zoom-centric PowerShot G3 X
The chances are you'll hit the F5.6 maximum aperture well before you get to the 600-mm equivalent focal length. When shooting at those ... «Gizmag, Jun 15»
Goondu review: Leica Q (Type 116)
... to bring around than a similar setup with the M system, which will weigh more than 1kg when combined with a lens of equivalent focal length. «Techgoondu, Jun 15»
Panasonic 42.5mm f/1.7 Lens Review: a top-notch, ultra-portable …
Like the earlier 42.5mm f/1.2 Nocticron lens from Panasonic, this f/1.7 version provides an 85mm-equivalent focal length, making it a perfect ... «imaging resource, Jun 15»
Review of Sony's HX90V: the world's smallest megazoom camera
At 720 millimetres equivalent focal length, you just see four floors. From 1.5 kilometres, when you zoom in on the Sydney Harbour Bridge, you ... «The Australian Financial Review, Jun 15»
Ricoh GR II compact camera brings upgraded processing, large …
The lens offers a f/2.8-16 aperture with a 35mm equivalent focal length. For the more professional photographers out there the GR II also ... «Pocket-lint.com, Jun 15»
Fujinon XF 50-140mm f/2.8 initial gallery impressions: A versatile …
The actual equivalent focal length as reported on Fujifilm's website is 76-213mm, so you do get just a touch longer range than a standard ... «imaging resource, Jun 15»
The most important camera of the year?
This rig combines an AIR with Olympus' excellent 40-150mm f/2.8 tele zoom, plus a 1.4x converter, for an equivalent focal length range of 112 ... «imaging resource, Jun 15»
