Convertible
Maker Model Focal Length (in) Focal Length (mm) F/Stop Angle of View Image Circle (mm) Coverage Wide Open
 Coverage Stopped Down
 Coverage (1:1) Comments Source Barrel Shutter Variable Diffusion Coated
B&L Zeiss Convertible 24 600 6.3




"42""" 3 No No No Yes
Beck Bystigmar Series II 11
6

8 1/2 x 6 1/2

Front 19 - Rear 19 20 Yes No No No
Beck Bystigmar Series II 4 1/2
6

3 1/2 x 2 1/2

Front 8 - Rear 8 20 Yes No No No
Beck Bystigmar Series II 5
6

4 1/4 x 3 1/4

Front 8 - Rear 9 1/2 20 Yes No No No
Beck Bystigmar Series II 5 1/2
6

5 x 4

Front 9 1/2 - Rear 9 1/2 20 Yes No No No
Beck Bystigmar Series II 6
6

5 1/2 x 3 1/2

Front 9 1/2 - Rear 12 20 Yes No No No
Beck Bystigmar Series II 6 3/4
6

5 1/2 x 3 1/2

Front 12 - Rear 12 20 Yes No No No
Beck Bystigmar Series II 7 1/2
6

6 1/2 x 4 3/4

Front 12 - Rear 15 20 Yes No No No
Beck Bystigmar Series II 8 1/2
6

6 1/2 x 4 3/4

Front 15 - Rear 15 20 Yes No No No
Beck Bystigmar Series II 9 1/2
6

8 1/2 x 6 1/2

Front 15 - Rear 19 20 Yes No No No
Beck Bystigmar Series II - Single Compoents 12
11

8 1/2 x 6 1/2


20 Yes No No No
Beck Bystigmar Series II - Single Compoents 15
11

10 x 8


20 Yes No No No
Beck Bystigmar Series II - Single Compoents 19
11

12 x 10


20 Yes No No No
Beck Bystigmar Series II - Single Compoents 8
11

5 x 4


20 Yes No No No
Beck Bystigmar Series II - Single Compoents 9 1/2
11

6 1/2 x 4 3/4


20 Yes No No No
Crown Optical Co. Crown Anastigmat Series III 10 1/2
6.8

6 1/2 x 8 1/2

Rear used alone is 2x focal length 17 Yes Yes No No
Crown Optical Co. Crown Anastigmat Series III 13
6.8

8 x 10

Rear used alone is 2x focal length 17 Yes Yes No No
Crown Optical Co. Crown Anastigmat Series III 15
6.8

10 x 12

Rear used alone is 2x focal length 17 Yes No No No
Crown Optical Co. Crown Anastigmat Series III 16 1/2
6.8

11 x 14

Rear used alone is 2x focal length 17 Yes No No No
Crown Optical Co. Crown Anastigmat Series III 21
6.8

14 x 17

Rear used alone is 2x focal length 17 Yes No No No
Crown Optical Co. Crown Anastigmat Series III 24
6.8

16 x 20

Rear used alone is 2x focal length 17 Yes No No No
Crown Optical Co. Crown Anastigmat Series III 4 3/8
6.8

2 1/2 x 3 1/2

Rear used alone is 2x focal length 17 Yes Yes No No
Crown Optical Co. Crown Anastigmat Series III 5
6.8

3 1/4 x 4 1/4

Rear used alone is 2x focal length 17 Yes Yes No No
Crown Optical Co. Crown Anastigmat Series III 6
6.8

4 x 5

Rear used alone is 2x focal length 17 Yes Yes No No
Crown Optical Co. Crown Anastigmat Series III 6 7/8
6.8

3 1/4 x 5 1/2

Rear used alone is 2x focal length 17 Yes Yes No No
Crown Optical Co. Crown Anastigmat Series III 7 1/2
6.8

5 x 7

Rear used alone is 2x focal length 17 Yes Yes No No
Crown Optical Co. Crown Anastigmat Series III 8 1/3
6.8

5 x 8

Rear used alone is 2x focal length 17 Yes Yes No No
Darlot Rapid Hemispherical 11 3/8
8

6 1/2 x 8 1/2 8 x 10
Symmetrical - single element = 2X focal length 17 Yes No No No
Darlot Rapid Hemispherical 14 1/2
8

8 x 10 11 x 14
Symmetrical - single element = 2X focal length 17 Yes No No No
Darlot Rapid Hemispherical 17 1/2
8

11 x 14 14 x 17
Symmetrical - single element = 2X focal length 17 Yes No No No
Darlot Rapid Hemispherical 24 1/2
8

14 x 17 17 x 20
Symmetrical - single element = 2X focal length 17 Yes No No No
Darlot Rapid Hemispherical 6 3/8
8

4 x 5 5 x 7
Symmetrical - single element = 2X focal length - available in matched pair for stereo 17 Yes No No No
Darlot Rapid Hemispherical 9 1/4
8

5 x 7 6 182 x 8 1/2
Symmetrical - single element = 2X focal length - available in matched pair for stereo 17 Yes No No No
Goerz Celor Anastigmat Series IB 10 3/4
5

7 x 9 8 x 10
Rear used alone is 2x focal length - 2x coverage @f/32 - Max Coverage @ f/16 17 Yes No No No
Goerz Celor Anastigmat Series IB 12
5.5

8 x 10 10 x 12
Rear used alone is 2x focal length - 2x coverage @f/32 - Max Coverage @ f/16 17 Yes No No No
Goerz Celor Anastigmat Series IB 14
5.5

10 x 12 12x x15
Rear used alone is 2x focal length - 2x coverage @f/32 - Max Coverage @ f/16 17 Yes No No No
Goerz Celor Anastigmat Series IB 16 1/2
5.5

11 x 14 13 x 17
Rear used alone is 2x focal length - 2x coverage @f/32 - Max Coverage @ f/16 17 Yes No No No
Goerz Celor Anastigmat Series IB 19
5.5

12 x 15 16x x18
Rear used alone is 2x focal length - 2x coverage @f/32 - Max Coverage @ f/16 17 Yes No No No
Goerz Celor Anastigmat Series IB 2 3/8
4.5

1 1/2 x 2 1/2 2 x 2 1/2
Rear used alone is 2x focal length - 2x coverage @f/32 - Max Coverage @ f/16 17 Yes No No No
Goerz Celor Anastigmat Series IB 3 1/2
4.8

2 1/2 x 3 1/2 3 x 4
Rear used alone is 2x focal length - 2x coverage @f/32 - Max Coverage @ f/16 17 Yes No No No
Goerz Celor Anastigmat Series IB 4 3/4
4.8

3 1/4 x 4 1/4 4 x 5
Rear used alone is 2x focal length - 2x coverage @f/32 - Max Coverage @ f/16 17 Yes No No No
Goerz Celor Anastigmat Series IB 6
4.8

4 x 5 4 3/4 x 6 1/2
Rear used alone is 2x focal length - 2x coverage @f/32 - Max Coverage @ f/16 17 Yes No No No
Goerz Celor Anastigmat Series IB 7
4.8

4 3/4 x 6 1/2 5 x 8
Rear used alone is 2x focal length - 2x coverage @f/32 - Max Coverage @ f/16 17 Yes No No No
Goerz Celor Anastigmat Series IB 8 1/4
5

5 x 8 6 1/2 x 8 1/2
Rear used alone is 2x focal length - 2x coverage @f/32 - Max Coverage @ f/16 17 Yes No No No
Goerz Celor Anastigmat Series IB 9 1/2
5

6 1/2 x 8 1/2 7 x 9
Rear used alone is 2x focal length - 2x coverage @f/32 - Max Coverage @ f/16 17 Yes No No No
Goerz Dogmar Anastigmat 10 3/4 270 4.5 45@f/4.5 -
6 1/2 x 8 1/2 7 x 9
Front cell has a focal length of 1.92 time and the rear cell a focal length of 1.52 time that of the complete lens. May be used separately 30 No Yes No No
Goerz Dogmar Anastigmat 12 300 4.5 45@f/4.5 -
7 x 9 8 x 10
Front cell has a focal length of 1.92 time and the rear cell a focal length of 1.52 time that of the complete lens. May be used separately 30 No Yes No No
Goerz Dogmar Anastigmat 12 300 5.5 45@f/4.5 -
7 x 9 8 x 10
Front cell has a focal length of 1.92 time and the rear cell a focal length of 1.52 time that of the complete lens. May be used separately 30 No Yes No No
Goerz Dogmar Anastigmat 14 360 5.5 45@f/4.5 -
8 x 10 10 x 12
Front cell has a focal length of 1.92 time and the rear cell a focal length of 1.52 time that of the complete lens. May be used separately 30 No Yes No No
Goerz Dogmar Anastigmat 16 1/2 420 5.5 45@f/4.5 -
10 x 12 11 x 17
Front cell has a focal length of 1.92 time and the rear cell a focal length of 1.52 time that of the complete lens. May be used separately 30 No Yes No No
Goerz Dogmar Anastigmat 3 1/8 80 4.5 45@f/4.5 -
1 3/4 x 2 3/8 2 1/4 x 2 3/4
Front cell has a focal length of 1.92 time and the rear cell a focal length of 1.52 time that of the complete lens. May be used separately 30 No Yes No No
Goerz Dogmar Anastigmat 4 1/8 105 4.5 45@f/4.5 -
2 x 3 2 1/4 x 3 1/4
Front cell has a focal length of 1.92 time and the rear cell a focal length of 1.52 time that of the complete lens. May be used separately 30 No Yes No No
Goerz Dogmar Anastigmat 5 1/2 140 4.5 45@f/4.5 -
3 1/4 x 4 1/4 3 1/2 x 41/2
Front cell has a focal length of 1.92 time and the rear cell a focal length of 1.52 time that of the complete lens. May be used separately 30 No Yes No No
Goerz Dogmar Anastigmat 5 1/4 135 4.5 45@f/4.5 -
3 1/4 x 4 1/4 3 1/2 x 41/2
Front cell has a focal length of 1.92 time and the rear cell a focal length of 1.52 time that of the complete lens. May be used separately 30 No Yes No No
Goerz Dogmar Anastigmat 6 150 4.5 45@f/4.5 -
3 1/2 x 4 3/4 4 x 5
Front cell has a focal length of 1.92 time and the rear cell a focal length of 1.52 time that of the complete lens. May be used separately 30 No Yes No No
Goerz Dogmar Anastigmat 6 1/2 165 4.5 45@f/4.5 -
3 1/4 x 5 1/2 4 x 6
Front cell has a focal length of 1.92 time and the rear cell a focal length of 1.52 time that of the complete lens. May be used separately 30 No Yes No No
Goerz Dogmar Anastigmat 7 1/2 195 4.5 45@f/4.5 -
4 1/4 x 6 1/4 5 x 7
Front cell has a focal length of 1.92 time and the rear cell a focal length of 1.52 time that of the complete lens. May be used separately 30 No Yes No No
Goerz Dogmar Anastigmat 8 1/4 210 4.5 45@f/4.5 -
5 x 7 5 x 8
Front cell has a focal length of 1.92 time and the rear cell a focal length of 1.52 time that of the complete lens. May be used separately 30 No Yes No No
Goerz Dogmar Anastigmat 9 1/2 240 4.5 45@f/4.5 -
5 1/2 x 7 1/2 6 1/2 x 8 1/2
Front cell has a focal length of 1.92 time and the rear cell a focal length of 1.52 time that of the complete lens. May be used separately 30 No Yes No No
Gundlach Convertible Anastigmat 12
6.8 70
7 x 17

No data on front and rear element focal length 28 Yes Yes No No
Gundlach Convertible Anastigmat 15
6.8 70
8 x 20 - 12 x 20

No data on front and rear element focal length 28 Yes Yes No No
Gundlach Hyperion Diffusion Portrait 12
4

6 x1/2 x 8 x1/2

Front Focus: 30 Rear Focus: 18 28 Yes Yes Yes No
Gundlach Hyperion Diffusion Portrait 14
4

8 x 10

Front Focus: 36 Rear Focus: 20 28 Yes Yes Yes No
Gundlach Hyperion Diffusion Portrait 18
4

11 x 14

Front Focus: 36 Rear Focus: 36 28 Yes Yes Yes No
Gundlach Hyperion Diffusion Portrait 7
4

4 x 5

Front Focus: 18 Rear Focus: 10 28 Yes Yes Yes No
Gundlach Hyperion Diffusion Portrait 9
4

5 x 7

Front Focus: 21 Rear Focus: 15 28 Yes Yes Yes No
Gundlach Perigraphic Convertible 12
5.6

8 x 10

Front Focus: 28 Rear Focus: 20 1/2 28 Yes Yes No No
Gundlach Perigraphic Convertible 16
5.6

11 x 14

Front Focus: 34 Rear Focus: 25 1/2 28 Yes Yes No No
Gundlach Perigraphic Convertible 8
5.6

5 x 7

Front Focus: 18 Rear Focus: 13 1/2 28 Yes Yes No No
Gundlach Rapid Rectigraphic Convertible 12
8

8 x 10

Front Focus:28 Rear Foucs: 21 28 Yes Yes No No
Gundlach Rapid Rectigraphic Convertible 18 1/2
8

11 x 14

Front Focus: 3/ 1/2 Rear Focus: 29 1/4 28 Yes Yes No No
Gundlach Rapid Rectigraphic Convertible 7 1/2
8

5 x 7

Front Focus: 18 Rear Focus: 12 28 Yes Yes No No
Meyer Double Plasmat 6 150 4

4 x 5


3 Yes No No No
Meyer Plasmat 19 480 5.5

11 x 14


3 Yes No No Yes
Meyer Plasmat 7 1/8 180 4

5 x 7

also 290mm focus 3 Yes Yes No No
Ross Combinable Lens 10
6.4

8 1/2 x 6 1/2

Front 21 - Rear 14 1/2 20 Yes No No No
Ross Combinable Lens 10
5.5

8 1/2 x 6 1/2

Front 17 - Rear 17 20 Yes No No No
Ross Combinable Lens 11
6

8 1/2 x 6 1/2

Front 21 - Rear 17 20 Yes No No No
Ross Combinable Lens 12
5.5

9 x 7

Front 21 - Rear 21 20 Yes No No No
Ross Combinable Lens 4
5.5

3 1/2 x 2 1/2

Front 7 - Rear 7 20 Yes No No No
Ross Combinable Lens 4 3/4
5.5

3 1/4 x 3 1/4

Front 8 - Rear 8 20 Yes No No No
Ross Combinable Lens 5 1/2
5.5

4 1/4 x 3 1/4

Front 9 1/2 - Rear 9 1/2 20 Yes No No No
Ross Combinable Lens 5 1/2
6.2

4 1/4 x 3 1/4

Front 10 1/4 - Rear 8 20 Yes No No No
Ross Combinable Lens 5 1/4
5.9

4 1/4 x 3 1/4

Front 9 1/2 - Rear 8 20 Yes No No No
Ross Combinable Lens 5 3/4
5.7

5 x 4

Front 10 1/4 - Rear 9 1/2 20 Yes No No No
Ross Combinable Lens 6
5.5

5 x 4

Front 10 1/4 - Rear 10 1/4 20 Yes No No No
Ross Combinable Lens 6
5.9

5 x 4

Front 11 1/4 - rear 9 1/2 20 Yes No No No
Ross Combinable Lens 6 1/2
6

6 x 5

Front 12 1/2 - Rear 10 1/4 20 Yes No No No
Ross Combinable Lens 6 1/2
5.5

6 x 5

Front 11 1/4 - Rear 11 1/4 20 Yes No No No
Ross Combinable Lens 6 1/4
5.7

6 x 5

Front 11 1/4 - Rear 10 1/4 20 Yes No No No
Ross Combinable Lens 6 3/4
5.9

6 1/2 x 4 3/4

Front 12 1/2 - Rear 11 1/4 20 Yes No No No
Ross Combinable Lens 7 1/4
6.2

6 1/2 x 4 3/4

Front 14 1/2 - Rear 11 1/4 20 Yes No No No
Ross Combinable Lens 7 1/4
5.5

6 1/2 x 4 3/4

Front 12 1/2 - Rear 12 1/2 20 Yes No No No
Ross Combinable Lens 7 3/4
5.9

7 x 5

Front 14 1/2 - Rear 12 1/2 20 Yes No No No
Ross Combinable Lens 8 1/2
5.5

8 x 5

Front 14 1/2 - Rear 14 1/2 20 Yes No No No
Ross Combinable Lens 8 1/2
6.3

8 x 5

Front 17 - Rear 12 1/2 20 Yes No No No
Ross Combinable Lens 9 1/4
5.9

8 x 5

Front 17 - Rear 14 1/2 20 Yes No No No
Ross Combinable Lens - Single Components 10 1/4
11

8 x 5


20 Yes No No No
Ross Combinable Lens - Single Components 11 1/4
11

8 1/2 x 6 1/2


20 Yes No No No
Ross Combinable Lens - Single Components 12 1/2
11

9 x 7


20 Yes No No No
Ross Combinable Lens - Single Components 14 1/2
11

10 x 8


20 Yes No No No
Ross Combinable Lens - Single Components 17
11

12 x 10


20 Yes No No No
Ross Combinable Lens - Single Components 21
11

13 x 11


20 Yes No No No
Ross Combinable Lens - Single Components 28
11

15 x 12


20 Yes No No No
Ross Combinable Lens - Single Components 36
11

20 x 16


20 Yes No No No
Ross Combinable Lens - Single Components 7
11

5 x 4


20 Yes No No No
Ross Combinable Lens - Single Components 8
11

6 1/2 x 4 3/4


20 Yes No No No
Ross Combinable Lens - Single Components 9 1/2
11

7 1/2 x 5


20 Yes No No No
Schneider Symmar 5 1/4 135 5.6

4 x 7


3 Yes Yes No No
Schneider Symmar 9 1/2 250 6.8

6 x 9


3 Yes Yes No Yes
Taylor Convertible Series XV 12 1/2 310 6.3

8 x 10

"Also 16 1/2"" & 19"" focus" 3 No Yes No No
Turner Reich Convertible Anastigmat Series II 10 1/2
6.8

6 1/2 x 8 1/2

Front: 18 - Rear: 24 17 Yes Yes No No
Turner Reich Convertible Anastigmat Series II 12
6.8

8 x 10

Front: 21 - Rear: 28 17 Yes Yes No No
Turner Reich Convertible Anastigmat Series II 5
6.8

3 1/4 x 4 1/4

"Front: 8"" - Rear: 12" 17 Yes Yes No No
Turner Reich Convertible Anastigmat Series II 6
6.8

4 x 5

"Front: 11"" - Rear: 14" 17 Yes Yes No No
Turner Reich Convertible Anastigmat Series II 7 1/2
6.8

5 x 7

Front: 12 - Rear: 18 17 Yes Yes No No
Turner Reich Convertible Anastigmat Series II 8 1/2
6.8

5 x 8

Front: 14 - Rear: 20 17 Yes Yes No No
Turner Reich Series II 10 1/2 270 6.8

7 x 9 8 x 10
"Also 18"" & 24"" focus" 3 Yes Yes No No
Turner Reich Series II 12 300 6.8

8 x 10

"21"" & 28"" focus - covers 8x10+++++" 3 Yes Yes No No
Turner Reich Symmetrical Anastigmat Series III 10 1/2
6.8

6 1/2 x 8 1/2

"Front & Rear Cells same focal length - Approx. 21""" 17 Yes No No No
Turner Reich Symmetrical Anastigmat Series III 12
6.8

8 x 10

"Front & Rear Cells same focal length - Approx. 24""" 17 Yes No No No
Turner Reich Symmetrical Anastigmat Series III 14
6.8

10 x 12

"Front & Rear Cells same focal length - Approx. 28""" 17 Yes No No No
Turner Reich Symmetrical Anastigmat Series III 17
6.8

11 x 14

"Front & Rear Cells same focal length - Approx. 34""" 17 Yes No No No
Turner Reich Symmetrical Anastigmat Series III 21
6.8

14 x 17

"Front & Rear Cells same focal length - Approx. 42""" 17 Yes No No No
Turner Reich Symmetrical Anastigmat Series III 26
6.8

17 x 20

"Front & Rear Cells same focal length - Approx. 52""" 17 Yes No No No
Turner Reich Symmetrical Anastigmat Series III 6
6.8

4 x 5

"Front & Rear Cells same focal length - Approx. 12""" 17 Yes No No No
Turner Reich Symmetrical Anastigmat Series III 7 1/4
6.8

5 x 7

"Front & Rear Cells same focal length - Approx. 14""" 17 Yes No No No
Turner Reich Symmetrical Anastigmat Series III 8 1/2
6.8

5 x 8

"Front & Rear Cells same focal length - Approx. 17""" 17 Yes No No No
Voigtlander Collinear - Series II - Extra Rapid 11 7/8
6.3

6 1/2 x 8 x1/2 10 x 12
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/11.3 31 Yes No No No
Voigtlander Collinear - Series II - Extra Rapid 14 1/2
6.3

8 x 10 12 x15
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/11.3 31 Yes No No No
Voigtlander Collinear - Series II - Extra Rapid 17
6.3

11x 14 16 x 20
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/11.3 31 Yes No No No
Voigtlander Collinear - Series II - Extra Rapid 2 1/8
5.6

1 1/2 x 1 1/2 2 1/2 x 2 1/2
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/11.3 31 Yes No No No
Voigtlander Collinear - Series II - Extra Rapid 2 3/4
5.6

1 3/4 x 2 1/2 2 1/2 x 3 1/2
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/11.3 31 Yes No No No
Voigtlander Collinear - Series II - Extra Rapid 20
6.3

12 x 15 20 x 24
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/11.3 31 Yes No No No
Voigtlander Collinear - Series II - Extra Rapid 23 5/8
6.3

14 x 17 22 x 28
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/11.3 31 Yes No No No
Voigtlander Collinear - Series II - Extra Rapid 3 1/2
5.6

3 1/4 x 3 1/4 3 1/4 x 4 1/4
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/11.3 31 Yes No No No
Voigtlander Collinear - Series II - Extra Rapid 4 3/4
5.6

3 1/4 x 4 1/4 5 x 7
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/11.3 31 Yes No No No
Voigtlander Collinear - Series II - Extra Rapid 5 7/8
5.6

4 1/4 x 6 1/2 6 1/2 x 8 1/2
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/11.3 31 Yes No No No
Voigtlander Collinear - Series II - Extra Rapid 7 7/8
5.6

5 x 7 8 x 10
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/11.3 31 Yes No No No
Voigtlander Collinear - Series II - Extra Rapid 9 7/8
6.3

6 x 8 9 x 11
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/11.3 31 Yes No No No
Voigtlander Collinear - Series III - Rapid 11 7/8
7.7

8 x 10 12 x15
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/16 31 Yes No No No
Voigtlander Collinear - Series III - Rapid 14 1/2
7.7

11 x 14 16 x 18
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/16 31 Yes No No No
Voigtlander Collinear - Series III - Rapid 17
7.7

14 x 17 18 x 22
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/16 31 Yes No No No
Voigtlander Collinear - Series III - Rapid 20
7.7

16 x 18 22 x 27
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/16 31 Yes No No No
Voigtlander Collinear - Series III - Rapid 23 5/8
7.7

18 x 22 25 x 30
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/16 31 Yes No No No
Voigtlander Collinear - Series III - Rapid 3 1/2
6.8

3 1/4 x 3 1/4 4 x 5
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/16 31 Yes No No No
Voigtlander Collinear - Series III - Rapid 31 1/2
7.7

20 x 24 30 x 35
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/16 31 Yes No No No
Voigtlander Collinear - Series III - Rapid 4 3/4
6.8

3 1/4 x 4 1/4 5 x 7
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/16 31 Yes No No No
Voigtlander Collinear - Series III - Rapid 5 7/8
6.8

4 1/4 x 6 1/2 6 1/2 x 8 1/2
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/16 31 Yes No No No
Voigtlander Collinear - Series III - Rapid 7
6.8

5 x 7 7 x 9
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/16 31 Yes No No No
Voigtlander Collinear - Series III - Rapid 7 7/8
7.7

6 x 8 8 x 10
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/16 31 Yes No No No
Voigtlander Collinear - Series III - Rapid 9 7/8
7.7

7 x 9 11 x14
maximum coverage quoted at f/32 - Rear cell can be used alone - double focal length of complete lens - f/16 31 Yes No No No
Voigtlander Collinear Series II 12 1/4 310 6.3 60
8 1/4 x 6 1/2 12 x 10
Symmetrical Design - Components can be used separately and re corrected achromatic anasticmats. 25 Yes No No No
Voigtlander Collinear Series II 14 5/8 370 6.3 60
9 x 7 14 x 10 1/2
Symmetrical Design - Components can be used separately and re corrected achromatic anasticmats. 25 Yes No No No
Voigtlander Collinear Series II 17 3/8 440 6.3 60
11 x 8 15 3/4 x 11 3/4
Symmetrical Design - Components can be used separately and re corrected achromatic anasticmats. 25 Yes No No No
Voigtlander Collinear Series II 2 3/4 70 5.4 60
3 1/4 x 2 1/2 4 x 3 1/4
Symmetrical Design - Components can be used separately and re corrected achromatic anasticmats. 25 Yes No No No
Voigtlander Collinear Series II 2 3/8 60 5.4 60
2 x 2 3 1/4 x 3 1/4
Symmetrical Design - Components can be used separately and re corrected achromatic anasticmats. 25 Yes No No No
Voigtlander Collinear Series II 20 1/2 520 6.3 60
12 x 10 17 1/8 x 13 3/4
Symmetrical Design - Components can be used separately and re corrected achromatic anasticmats. 25 Yes No No No
Voigtlander Collinear Series II 3 1/2 90 5.4 60
4 x 2 3/4 4 3/4 x 3 1/2
Symmetrical Design - Components can be used separately and re corrected achromatic anasticmats. 25 Yes No No No
Voigtlander Collinear Series II 4 3/4 120 5.4 60
4 3/4 x 3 1/2 6 1/4 x 4 3/4
Symmetrical Design - Components can be used separately and re corrected achromatic anasticmats. 25 Yes No No No
Voigtlander Collinear Series II 5 3/8 135 5.4 60
5 x 4 6 3/4 x 5 1/4
Symmetrical Design - Components can be used separately and re corrected achromatic anasticmats. 25 Yes No No No
Voigtlander Collinear Series II 6 150 5.4 60
6 1/4 x 4 3/4 8 1/4 x 6 1/4
Symmetrical Design - Components can be used separately and re corrected achromatic anasticmats. 25 Yes No No No
Voigtlander Collinear Series II 8 200 5.4 60
7 1/2 x 5 9 1/2 x 7
Symmetrical Design - Components can be used separately and re corrected achromatic anasticmats. 25 Yes No No No
Voigtlander Collinear Series II 9 7/8 250 6.3 60
8 1/4 x 5 10 x 8
Symmetrical Design - Components can be used separately and re corrected achromatic anasticmats. 25 Yes No No No
Watson Holostigmat I

6.1




Singles f/11.5 20 Yes No No No
Watson Holostigmat IA

4.6




Singles f/8.5 20 Yes No No No
Watson Holostigmat III

9.5




Singles f/18.5 20 Yes No No No
Watson Holostigmat Wide Angle

11.5




Singles f/22 20 Yes No No No
Wollensak Raptar Series Ia 10 254 6.8

6 1/2 x 8 1/2 5 x 12
"Front:20 - Rear:15 1/2 - 20""=f/16 other f/12.5" 5 No No No No
Wollensak Raptar Series Ia 10 254 6.8

6 1/2 x 8 1/2 5 x 12
"Front: 20 Rear 15 1/2 - 20"" is F/16 15 1/2 is f/12.5 " 23 Yes Yes No No
Wollensak Raptar Series Ia 13 330 6.8

8 x 10 7 x 15
Front:25 1/2 - Rear:20 - both f/16 5 No No No No
Wollensak Raptar Series Ia 13 330 6.8

8 x 10 7 x 15
Front: 25 1/2 Rear: 20 - Both F/16 23 Yes Yes No No
Wollensak Raptar Series Ia 14 356 7.7

8 x 10

"Front: 31"" f/16 - Rear 21"" f/12.5" 18 No Yes No No
Wollensak Raptar Series Ia 6 1/2 165 6.8

4 x 5

Front:12 3/4 - Rear:10 - Single elements f/12/5 5 No No No No
Wollensak Raptar Series Ia 6 1/2 165 6.8

4 x 5

Front: 12 3/4 Rear: 10 - Both F/12.5 23 Yes Yes No No
Wollensak Raptar Series Ia 8 1/4 210 6.8

5 x 8

Front: 15 1/2 Rear 12 3/4 - Both F/12.5 23 Yes Yes No No
Wollensak Raptar Series Ia 8 1/4 210 6.8

5 x 8

Front:15 1/2 - Rear:12 3/4 - Single elements f/121.5 5 No No No No
Wollensak Robeco Symmetrical 10 1/2
8

6 1/2 x 8 1/2

Front: 17 1/2 - Rear: 23 1/2 17 Yes Yes No No
Wollensak Robeco Symmetrical 12 1/2
8

8 x 10

Front: 20 - Rear: 28 1/2 17 Yes Yes No No
Wollensak Robeco Symmetrical 16
8

10 x 12

Front: 26 - Rear: 38 17 Yes Yes No No
Wollensak Robeco Symmetrical 18 1/2
8

11 x 14

Front: 31 - Rear 43 17 Yes Yes No No
Wollensak Robeco Symmetrical 22
8

14 x 17

Front: 37 - Rear 51 17 Yes Yes No No
Wollensak Robeco Symmetrical 26
8

17 x 20

Front: 44 - Rear 60 17 Yes Yes No No
Wollensak Robeco Symmetrical 5
8

3 1/4 x 4 1/4

Front: 8 1/4 - Rear: 11 1/2 17 Yes Yes No No
Wollensak Robeco Symmetrical 6 1/4
8

4 x 5

Front: 10 1/2 - Rear: 14 1/2 17 Yes Yes No No
Wollensak Robeco Symmetrical 8
8

5 x 7

Front: 14 - Rear: 18 17 Yes Yes No No
Wollensak Series Ia Velostigmat 10
6.8

6 1/2 x 8 1/2 5 x 12
Front 20 Rear 15 1/2 12 Yes Yes No No
Wollensak Series Ia Velostigmat 11
7.7

6 1/2 x 8 1/2 5 x 12
Front 25 1/2 Rear 15 1/2 12 Yes Yes No No
Wollensak Series Ia Velostigmat 11 1/2
6.3

8 x 10

Front:20 Rear: 20 12 Yes Yes No No
Wollensak Series Ia Velostigmat 13
6.8

8 x 10 7 x 17
Front: 25 1/2 Rear 20 12 Yes Yes No No
Wollensak Series Ia Velostigmat 14
7.7

10 x 12 8 x 20
Front: 31 Rear 20 12 Yes Yes No No
Wollensak Series Ia Velostigmat 14 3/4
6.3

10 x 12 8 x 20
Front: 25 1/2 Rear 25 1/2 12 Yes Yes No No
Wollensak Series Ia Velostigmat 16 1/4
6.8

11 x 14 12 x 20
Front: 31 Rear 25 1/2 12 Yes Yes No No
Wollensak Series Ia Velostigmat 17 1/2
6.8

11 x 14

Front 31 Rear 31 12 Yes Yes No No
Wollensak Series Ia Velostigmat 4 3/4
6.3

3 1/4 x 4 1/4

Front: 8 1/4 Rear 8 1/4 12 Yes Yes No No
Wollensak Series Ia Velostigmat 5 1/8
6.8

3 1/4 x 4 1/4

Front: 10 Rear: 8 1/4 12 Yes Yes No No
Wollensak Series Ia Velostigmat 5 3/4
6.3

4 x 5

Front: 10 Rear: 10 12 Yes Yes No No
Wollensak Series Ia Velostigmat 5 3/4
7.7

4 x 5

Front: 12 3/4 Rear 8 1/4 12 Yes Yes No No
Wollensak Series Ia Velostigmat 6 1/2
6.8

4 x 5

Front: 12 3/4 Rear 10 12 Yes Yes No No
Wollensak Series Ia Velostigmat 7
7.7

5 x 7

Front: 15 1/2 Rear 10 12 Yes Yes No No
Wollensak Series Ia Velostigmat 7 1/4
6.3

5 x 7

Front: 12 3/4 Rear 12 3/4 12 Yes Yes No No
Wollensak Series Ia Velostigmat 8 1/4
6.8

5 x 8 7 x 11
Front: 15 1/2 Rear 12 3/4 12 Yes Yes No No
Wollensak Series Ia Velostigmat 8 3/4
7.7

5 x 8 7 x 11
Front: 20 Rear 12 3/4 12 Yes Yes No No
Wollensak Series Ia Velostigmat 9
6.3

6 1/2 x 8 1/2 5 x 12
Front 15 1/2 Rear 15 1/2 12 Yes Yes No No
Wollensak Verito 11 1/2
4

6 1/2 x 8 1/2

Rear Element Focus 20 in. 12 Yes Yes No No
Wollensak Verito 14 1/2
4

8 x 10

Rear Element Focus 24 in. 12 Yes Yes No No
Wollensak Verito 18
4

11 x 14

Rear Element Focus 30 in. 12 Yes Yes No No
Wollensak Verito 5
6

3 1/4 x 4 1/4

Rear Element Focus 10 in. 12 Yes Yes No No
Wollensak Verito 6 1/2
6

4 x 5

Rear Element Focus 14 in. 12 Yes Yes No No
Wollensak Verito 6 1/8
4

3 1/4 x 4 1/4

Rear Element Focus 10 in. 12 Yes Yes No No
Wollensak Verito 7 1/4
4

4 x 5

Rear Element Focus 11 in. 12 Yes Yes No No
Wollensak Verito 8 3/4
4

5 x 7

Rear Element Focus 14 in. 12 Yes Yes No No