Both Century primes have been modified for use with PL mount 16mm Cameras. A double aspheric element attachment is available for the 6mm, widening its field of view further.

Focal Length	Aperture	Close Focus	Front Diameter	Weight (lbs)
3.5mm Century	T2.8	1'	123mm / 80mm	1.2
6mm Century S2000	T1.9	1'	87mm	2.2

Cooke developed the SK4 primes for use with 16mm film cameras. The limited set of focal lengths: 6mm, 9.5mm, and 12mm, is meant to step up to the Super 35 Cooke S4 lenses to complete a full set of lenses on 16mm. The SK4’s offer Cooke’s historic look, featuring a warmth and unique bokeh unlike any other lenses.

Focal Length	Aperture	Close Focus	Front Diameter	Weight (lbs)
6mm	T2	8"	110mm	3.5
9.5mm	T2	8"	110mm	3.4
12mm	T2	8"	110mm	3.4

Elite lenses were designed for Super16 format and exhibit lower contrast while still maintaining good sharpness. Wide open these lenses exhibit similar properties to Super Speeds where they lose resolution and contrast, extenuating their vintage feel.

Focal Length	Aperture	Close Focus	Front Diameter	Weight (lbs)
4.5mm	T2.2	6"	70mm	1.2
7mm	T1.3	8"	104mm	2.4
20mm	T1.3	10"	80mm	2
35mm	T1.3	10"	80mm	2.2

The Optex 16mm lenses are relatively sharp for their age and format, but still exhibit nice vintage characteristics like improved focus roll off and lower contrast.

Focal Length	Aperture	Close Focus	Front Diameter	Weight (lbs)
4mm	T2.0	2'	150mm	1.7
5.5mm	T2.0	8"	95mm	1.8

ZEISS Super Speeds released following the success of their Standard Speed lenses. The Super Speeds have become industry staples over the years and saw a resurgence in the early 2000’s due to their reasonable price and high T-stop of T1.3. Known for their high contrast cool image rendition the Super Speeds render a mildly muted image on today's modern digital cameras.

Focal Length	Aperture	Close Focus	Front Diameter	Weight (lbs)
18mm	T1.3	10"	80mm	2.8
25mm	T1.3	10"	80mm	2
35mm	T1.3	1' 2"	80mm	1.8
50mm	T1.3	2' 6"	80mm	1.8
65mm	T1.3	2' 6"	80mm	2.2
85mm	T1.3	3'	80mm	2.2

Introduced in 1999, the ZEISS Ultra Primes have been a workhorse in the film business since their release. Small, lightweight, durable, reliable, and aesthetically appealing, the T1.9 Ultra Primes are very versatile. These lenses are a good lower cost alternative that don’t sacrifice quality in favor of cost reduction.

Focal Length	Aperture	Close Focus	Front Diameter	Weight (lbs)
8mm (8R)	T2.8	1' 3"	134mm	3.4
10mm	T2.1	1' 3"	156mm	6.4
12mm	T2.0	1'	156mm	4.4
14mm	T1.9	9"	114mm	4
16mm	T1.9	1'	95mm	2.6
20mm	T1.9	1'	95mm	2.6
24mm	T1.9	1'	95mm	2.2
28mm	T1.9	1'	95mm	2.2
32mm	T1.9	1' 3"	95mm	2.4
40mm	T1.9	1' 3"	95mm	2.2
50mm	T1.9	2'	95mm	2.2
65mm	T1.9	2' 3"	95mm	2.4
85mm	T1.9	3'	95mm	2.6
100mm	T1.9	3' 3"	95mm	2.6
135mm	T1.9	5'	95mm	3.5
180mm	T1.9	8' 6"	114mm	5.7