Camera Lenses Accessories

rb Series Wide Angle Lenses

50mm f/4.5

The 50mm f/4.5 is an ultra-wide lens exhibiting minimal distortion and extreme depth of field, dramatically linking foreground and background subject matter.

Applications include landscape, architecture and photojournalism.

Equivalent to 25mm in 35mm format.

Optical Construction 11 elements/8 groups
Angle of View 81°
Diaphragm Automatic
Minimum Aperture 32
Shutter Seiko #1 mechanical lens shutter, 1~1/400 sec., T (time), X contact (flash synchronization at all speeds)
Equivalent Focal Length for 35mm 25mm
Minimum Focusing Distance 11" / 279mm
Magnification 0.88x
Area Covered 2.5 x 3.1" / 63 x 79mm
Filter Size 77mm
Lens Hood Slip-on
Dimensions (L x W) 2.9 x 3.7" / 73 x 94mm
Weight 1 lb. 12 oz. / 780 g.



65mm f/4

The 65mm f/4 is a wide angle lens with a 68° angle of view. It is the most popular wide angle focal length in 6x7cm format. It renders natural perspective with increased depth of field and angular coverage and provides the least amount of distortion of the wide angle range for subjects at the edges of the frame. It incorporates an adjustable floating element system for correction of edge sharpness and distortion, especially at wide open apertures and close distances.

Applications include group portraits, wedding photography, and general purpose wide angle photography.

Equivalent to 32mm in 35mm format.

Optical Construction 9 elements/8 groups
Angle of View 68°
Diaphragm Automatic
Minimum Aperture 32
Shutter Seiko #1 mechanical lens shutter, 1~1/400 sec., T (time), X contact (flash synchronization at all speeds)
Equivalent Focal Length for 35mm 32mm
Minimum Focusing Distance 1' 1.7" / 348mm
Magnification 0.7x
Area Covered 3.2 x 3.9" / 80 x 100mm
Filter Size 77mm
Lens Hood Slip-on
Dimensions (L x W) 4.2 x 3.8" / 106 x 97.2mm
Weight 2 lbs. 6 oz. / 1,070 g.


75mm f/4.5

The 75mm f/4.5 features an adjustable floating element system for correction of edge sharpness and distortion, especially at wide open apertures and close distances.

Applications include precise perspective for architectural or industrial rendering or table top photography.

Equivalent to 37mm in 35mm format.

Optical Construction 9 elements/7 groups
Angle of View 61°
Diaphragm Automatic
Minimum Aperture 32
Shutter Seiko #1 mechanical lens shutter, 1~1/400 sec., T (time), X contact (flash synchronization at all speeds)
Equivalent Focal Length for 35mm 37mm
Minimum Focusing Distance 1' 2.9" / 379mm
Magnification 0.61x
Area Covered 3.7 x 4.5" / 92 x 114mm
Filter Size 77mm
Lens Hood Slip-on
Dimensions (L x W) 5.7 x 4.3" / 96.4 x 97.2mm
Weight 3 lbs. 12 oz. / 980 g.
 
 
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