KEY RESOURCES TABLE

REAGENT or RESOURCE	SOURCE	IDENTIFIER
Antibodies
c-KIT	Cell Signaling	Cat#mAb3074
MITF	Abcam	Cat#ab12039
DCT	Proteintech	Cat#13095-1-ap
LEF1	Cell Signaling	Cat#2230S
β-catenin	Santa Cruz	Cat#sc7199
Chemicals, Peptides, and Recombinant Proteins
OCT	TissueTek	Cat#4583
Donkey serum	Jackson Immuno	Cat# 017-000121
Alexa Fluor 647 donkey anti mouse	Jackson Immuno	Cat#715-605-151
Alexa Fluor 647 goat anti-rabbit	Jackson Immuno	Cat#111-605-003
DMEM	Gibco	Cat#90-013-PB
B27 Supplement	Thermo Fisher	Cat#0080085SA
D-Luciferin potassium salt	Biosynth	Cat#L-8220
Hanks Balanced Salt Solution	Thermo Fisher	Cat#14025076
9-cis-retinaldehyde	Simga	Cat#R5754
all-trans-retinaldehyde	Sigma	Cat#R2500
RNAlater	Qiagen	Cat#76104
Tri reagent	Thermo Fisher	Cat#AM9738
Critical Commercial Assays
High Capacity RNA to cDNA kit	Applied Biosystems	Cat#4387406
Absolute Blue QPCR mix	Thermo Fisher	Cat#AB4163A
Experimental Models: Organisms/Strains
Period2::Luciferase, B6.129S6-Per2tm1Jt/J	Jackson Laboratories	Stock# 006852
Opn5−/−	[19]	N/A
Opn5Cre; Ai14	[57]	N/A
B6;129S6-Gt(ROSA)26Sortm14(CAG-tdTomato)	Jackson Laboratories	Stock#007908
Opn4−/−;Pde6brd1/rd1	[27]	N/A
Oligonucleotides
Primers for circadian genes see Table S1	This paper	N/A
Primers for opsins see Table S1	This paper	N/A
Software and Algorithms
ClockLab	Actimetrics	https://www.actimetrics.com/products/clocklab/
Lumicycle Analysis	Actimetrics	https://www.actimetrics.com/products/lumicycle/lumicycle-32/
ImageJ	NIH	https://imagej.nih.gov/ij/
Sigma Plot 11.0	Systat	systatsoftware.com
Other
Zeiss LSM 700 confocal microscope	Zeiss	LSM 700
Abi7500 Fast Real-time PCR machine	Abi	7500 Fast
Quantum radiometer	Macam	Q203
Lumicycle luminometer	Actimeterics	Lumicycle 32
Retiga Lumo CCD camera	Q-imaging	Retiga Lumo
Microscope stage incubator	Bioscience tools	Cat#TC-MWPHB
Millicell cell culture inserts	Millipore	Cat#PICMORG50