Cancel
TopicsDown
Products Down
Follow Us:
FacebookTwitter
Advertisement

Lens Questions and Answers (Q&A)

John Adney
Answered: May 23, 2017
A convex mirror will always produce an image that is _____.A. Real , upside down , smallerB. Virtual , upright , same sizeC. Virtual , upright , smallerD. Virtual , upright ,larger
The answer...Read More

3 Answers

892 views
W. Pratt, Marketing Analyst
Answered: Apr 18, 2019
The correct answer to this question is B, diverging. Also known as a concave lens, this lens is one that causes beams of parallel rays to diverge after refraction occurs. Diverging lenses have a...Read More

2 Answers

446 views
Coachferrell
Answered: Sep 19, 2020
Convex

1 Answer

390 views
John Adney
Answered: Mar 07, 2017
Isn't it a convex lens? Because concave is smallerweferg3 3rgt4w thtrh

2 Answers

281 views
John Smith
Answered: Sep 19, 2020
Concave

1 Answer

250 views
Prettytlylia
Answered: Feb 12, 2020
Photochromic glass is optical type of glassthat darken on exposure to specific types of light of sufficient intensity, most commonly ultraviolet radiation. In the absence of activating light, the...Read More

2 Answers

240 views
K. Galatia
Answered: Nov 14, 2019
A convex lens is known to be a type of lens that is thicker near the middle as compared to the sides of the lens. The convex lens is the type of lens that is used when you are using cameras. The...Read More

2 Answers

225 views
W. Pratt, Marketing Analyst
Answered: Aug 27, 2019
Cameras are used to take pictures of things or people. However, there may be times when you want to take a picture up close to something, but you should not get that close to the object. For...Read More

2 Answers

216 views
John Smith
Answered: Sep 19, 2020
Jessen's orthofocus technique fit the lens as steep as it needed to be to correct for the amount of myopia. the tear lens would then be what creates the neutralization of refractive error and the cl...Read More

1 Answer

214 views
Todd Gurley
Answered: Aug 16, 2019
You are probably not aware that red dot sight is known to be a type of sight that people may get with the use of the right tools. This means that their sight will be better when they are looking...Read More

1 Answer

212 views
C. Lopez, Chauffer
Answered: Aug 22, 2019
EOS and SLR are the most routinely heard acronyms in the art of photography. SLR or Single Lens Reflex refers to a mechanism where a single lens is used for both looking at and snapping pictures....Read More

1 Answer

210 views
D. Nichols
Answered: Sep 13, 2019
Plastic and glass are known to be different from each other but they are both used as containers. Glass is considered to be more brittle and most people will consider this to be more exquisite as...Read More

1 Answer

208 views
John Smith
Answered: Sep 19, 2020
If your patient comes back and you find that you need to make a change of 0.50d to optimize the sag height i should change the rzd first before the lza or base curve.-group notes: and so when i...Read More

1 Answer

208 views

Related Topics Of Lens

Advertisement
Advertisement
Loading, please wait...

Email Sent
We have sent an email to your address "" with instructions to reset your password.