与 «EQUIVALENT FOCAL LENGTH»相关的英语书籍
在以下的参考文献中发现
equivalent focal length的用法。与
equivalent focal length相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
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 ...
包含词语«EQUIVALENT FOCAL LENGTH»的新条目
找出国内和国际出版社所讨论的内容，以及词语
equivalent focal length在以下新条目的上下文中是如何使用的。
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, 七月 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, 七月 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, 六月 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, 六月 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, 六月 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, 六月 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, 六月 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, 六月 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, 六月 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, 六月 15»
