The Caltar II-N series are well proven view camera lenses. A general-purpose lens for the professional.
A 210mm lens on the 4x5 format has long been considered The most useful focal length. Roughly equivalent to a 70mm lens on the 35mm format, a 210mm lens can be used for product photography of medium size objects and waist-length portraiture.
| Optical Construction | 6 elements/4 groups |
| Aperture Range | f/5.6-f/45 |
| Covering Power | 70 degrees |
| Image Circle @ Infinity | 294mm |
| Shutter | Copal #1 |
| Shutter Speed | 1-1/400 sec., T, B |
| Flange Attachment Size | 39mm dia. x 0.75mm - standard Copal #1 size |
| Slip-on Cap Sizes | 70mm front 60mm rear |
| Filter Size | 67mm |
| Flange Focal Distance | 200.9mm |
| Overall Length | 2.6" |
| Weight | 14.6 oz |
| Maximum Format Size | 5x7" |