Product Comparison

Our Kits
Summilux-C
Summicron-C
Aperture
T 1.4 - T 22 - fully closed
T 2.0 - T 22 - fully closed
Total Focal Lengths
11
10
Core Set Focal Lengths
18, 21, 25, 35, 40, 50, 75, 100mm
18, 25, 35, 50, 75, 100mm
Additional Focal Lengths
16, 29, 65mm
21, 29, 40, 135mm
Front Diameter
95mm / 3.7"
Usable Image Circle
33+ mm
36 mm
Length
142mm / 5.6"
101mm / 4" (except 135 @ 118mm / 4.6")
Weight
1.6 - 1.8kg (3.5 - 4.0 lbs.)
1.3 - 1.5kg (2.7 - 3.4 lbs.)
Focus Rotation
300°
Iris Rotation
180°
Telecentricity
Telecentric
Color
Natural color balance
Color Balance
Color balanced to match closely
Image Quality (field)
Even image quality
Breathing
No breathing
Very little breathing
Reflective Coatings
Extremely low reflective coatings
Design
Multiple aspherical optical design
Classic high performance optical design
Resolution
Extremely high resolution
Contrast
Very high contrast
Relative Illumination
High relative illumination over field
Chromatic Aberration
Very low chromatic aberration
Front Filter
Yes
No
Rear Filter
Yes
No
Net Holder
Yes
No
Lens Mount Type
PL
Lens Mount Material
Titanium
Stainless Steel
Matched Focus/Iris Ring Locations
Yes (all focal lengths in both sets are the same)
Matched Dimensions in Set
Yes
Yes (except 135)
Expanded Focus in Critical Range
Yes
No