Fundus Photography
A. Common components to all fundus cameras
i. Electronic flash
ii. Camera body (usually a 35mm or a polaroid)
B. Components that may vary with manufacturer
i. Magnification / Angle of view (width)
ii. Mydriatic or Non-Mydriatic
iii. Portability
iv. Shutter release position
v. Motor drive for camera
vi. Device for stereo photography
vii. Polaroid film back for camera
C. Usually need maximum dilation for best results
On some of the better cameras, maximum dilation may not be required
Available Fundus Cameras
i. Canon: 2 models
a. Canon CF-60UV: $19,800
1. Automatic exposure
2. Computerized 60 degree fundus camera
a. 1.7X for 60 by 40 degree views
b. 2.5X for 40 by 30 degree views
c. 3.4X for 30 by 22.5 degree views
3. Fluorescein angiography capability
4. Full mydriasis is not required
a. 4.0mm for 30 degree shots
b. 5.5mm for 40 and 60 degree shots
5. Split line focusing
6. Electronic sounds or synthesized voice warnings/instructions
b. Canon CR4-45NM Dual: $14,250
1. Non-mydriatic 45 degree fundus camera
a. 1.8X for 45 degree views
b. 2.5X for 30 degree views
2. Split line focusing
3. Blink detection to prevent waste of film
4. Internal fixation device that can be moved up to 15 degrees
ii. Kowa: 5 models
a. FX-50R: $16,995
1. Variable angle model with fluorescein angiography
2. 2X for 50 degree views
3. 3.5X for 25 degree views
4. Comes with two backs
b. FX-50C: $10,995
1. Variable angle model for color slides or polaroid color prints
2. 2X for 50 degree views
3. 3.5X for 25 degree views
c. Pro-I : $23,495
1. Variable angle model
2. 1.7X for 50 degree views
3. 2.6X for 25 degree views
4. 4.3X for 20 degree views
5. Options include: observation tube, tilting stand, polaroid back
also video attachments and binocular viewfinder
d. NonMyd 3: $10,995
1. 1.8X for 45 degree views
2. Options include: either 35mm or polaroid camera back
e. Hand-held retinal camera:
iii. Nidex: 1 model
a. 3-Dx stereo disc camera: $18,900
b. Camera places two images from separate optical tracks
1. Image placed on one 35mm slide
2. Image can be viewed in stereo with an inexpensive viewing device
c. 2.6X for 20 degree views
iv. Nikon: 1 model
a. NF-505: $17,505
b. Variable angle model with fluorescein angiography capability
1. 1.6X for 50 degree views
2. 2.7X for 30 degree views
3. 4.1X for 20 degree views
v. Topcon: 7 models
a. TRC-50F: $12,500
1. Variable angle model with fluorescein angiography
a. 1.7X for 50 degree views
b. 3.7X for 20 degree views
c. Optional: 2.5X for 35 degree views
2. Comes with 2 motorized backs
b. TRC-50FT: $12,800
1. Same as -50F except adds tilt capability
c. TRC-50FC: $9,995
1. Same as TRC-50F for color documentation only
2. Only 1 motorized back
d. TRC-50X: $16,500
1. Astigmatic correction lenses
2. Left/Right side movement for more repeatable stereo shots
3. Has tilt mechanism included
e. TRC-SS2: $27,990
1. Simultaneous stereo model with fluorescein angiography ability
2. 2 motorized backs
3. 2.56X for 30 degree views
f. TRC-60A: $27,995
1. Variable angle model with FA capability
2. Automatic exposure control
3. 1.7X for 60 degree views
4. 2.5X for 40 degree views
5. 3.5X for 30 degree views
6. 4.9X for 15 degree views
7. Options include: Relay lens, polaroid, internal fixation
Video adapters and observation tube
g. TRC-45NW3: $12,990
1. Non-mydriatic variable angle fundus camera
2. Requires 4mm pupil minimum
3. 1.7X for 45 degree views
4. 3.7X for 20 degree views
5. Options: Polaroid back
vi. Zeiss: 2 models
a. FF-5: $19,600
1. 30 degree fundus camera available in several versions
2. 2.5X for 30 degree views
b. FF-4: $27,900
1. 2.5X for 30 degree views
2. Auxiliary objectives
a. 4X for 18.75 degree views
b. 5X for 15 degree views
c. Device for stereo photography
Modified from C.E. lecture by Dr. David Perrigin - University of
Houston - College of Optometry
This page last revised on August 26, 1997.