528659
21
Zoom out
Zoom in
Previous page
1/28
Next page
6. Advanced Functions
1. Measuring Light Contrast
This method is used to check studio lighting or lighting unevenness.
1) Mount the Lumidisc accessory (see page 8).
2) Turn ON just the main light source.
Point the Lumidisc at the main light source
from the subject position and then
measure.
3) Next turn ON just the secondary light
source.
In this state now point the Lumidisc at the
secondary light source and measure.
4) Determine the luminance ratio (contrast
ratio) using the differrence of measuring
values of the main light source and the
secondary light source.
REFERENCE: To determine exposure in incident light, turne ON botn main
light source and secondary light source, point the Lumisphere
at the camera lens axis and then measure.
Contrast Ratio
1 2:1
1.5 3:1
2 4:1
3 8:1
4 16:1
5 32:1
EV Difference of
Measuring Value
21


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Sekonic L-308S at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Sekonic L-308S in the language / languages: English as an attachment in your email.

The manual is 0,71 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

Others manual(s) of Sekonic L-308S

Sekonic L-308S User Manual - German - 26 pages

Sekonic L-308S User Manual - French - 26 pages


The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info