The optical sensitivity of compound eyes: theory and experiment compared.
Frederiksen, Rikard LU and Warrant, Eric LU
(2008)
In Biology letters
4(6).
p.745-747
- Abstract
- The Land sensitivity equation is a well-known tool for comparing optical performance between eyes. Despite this, the equation has never been experimentally tested. Here, we present, to our knowledge, the first experimental validation of the equation. We have investigated different insect species active at different intensities, and possessing different types of compound eyes, to compare ratios of calculated sensitivities to ratios determined experimentally. Experimental optical sensitivities were measured by adjusting the intensity of an external light source until photoreceptors in the different eyes produced roughly equal numbers of photon responses ('bumps') per second. The sensitivity ratios obtained in this manner agree well with... (More)
- The Land sensitivity equation is a well-known tool for comparing optical performance between eyes. Despite this, the equation has never been experimentally tested. Here, we present, to our knowledge, the first experimental validation of the equation. We have investigated different insect species active at different intensities, and possessing different types of compound eyes, to compare ratios of calculated sensitivities to ratios determined experimentally. Experimental optical sensitivities were measured by adjusting the intensity of an external light source until photoreceptors in the different eyes produced roughly equal numbers of photon responses ('bumps') per second. The sensitivity ratios obtained in this manner agree well with those obtained using the equation. We conclude that the Land equation remains an excellent tool for comparing sensitivities between different eyes. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/1262421
- author
- Frederiksen, Rikard
LU
and Warrant, Eric
LU
- organization
- publishing date
- 2008
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- superposition compound eye, apposition compound eye, optical sensitivity
- in
- Biology letters
- volume
- 4
- issue
- 6
- pages
- 745 - 747
- publisher
- Royal Society Publishing
- external identifiers
-
- wos:000260719800038
- scopus:58149240776
- pmid:18842569
- ISSN
- 1744-9561
- DOI
- 10.1098/rsbl.2008.0467
- language
- English
- LU publication?
- yes
- id
- f988e563-5a2f-4b3b-a5db-56ddfa7c73a3 (old id 1262421)
- date added to LUP
- 2016-04-01 11:51:24
- date last changed
- 2024-04-22 18:41:12
@article{f988e563-5a2f-4b3b-a5db-56ddfa7c73a3,
abstract = {{The Land sensitivity equation is a well-known tool for comparing optical performance between eyes. Despite this, the equation has never been experimentally tested. Here, we present, to our knowledge, the first experimental validation of the equation. We have investigated different insect species active at different intensities, and possessing different types of compound eyes, to compare ratios of calculated sensitivities to ratios determined experimentally. Experimental optical sensitivities were measured by adjusting the intensity of an external light source until photoreceptors in the different eyes produced roughly equal numbers of photon responses ('bumps') per second. The sensitivity ratios obtained in this manner agree well with those obtained using the equation. We conclude that the Land equation remains an excellent tool for comparing sensitivities between different eyes.}},
author = {{Frederiksen, Rikard and Warrant, Eric}},
issn = {{1744-9561}},
keywords = {{superposition compound eye; apposition compound eye; optical sensitivity}},
language = {{eng}},
number = {{6}},
pages = {{745--747}},
publisher = {{Royal Society Publishing}},
series = {{Biology letters}},
title = {{The optical sensitivity of compound eyes: theory and experiment compared.}},
url = {{http://dx.doi.org/10.1098/rsbl.2008.0467}},
doi = {{10.1098/rsbl.2008.0467}},
volume = {{4}},
year = {{2008}},
}