Vivitar Series I 35~85mm f/2.8 Zoom

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Vivitar Series I 35~85mm f/2.8 Auto Variable Focus Zoom Specifications
Construction
Zoom Action & Close-Up

Specifications

Vivitar Series I 35~85mm Auto Variable Focus Zoom

Minimum Aperture f/16
Diaphram Fully Automatic with 
depth of field preview setting

all M42 (Pentax) screw mount TTL cameras
Minimum Focusing Distance 4.3 inches (10.9cm)
Angle of View 63~28.5 degrees
Mount Pentax Screw mount
Focal Length Ratio 2.4:1
Optical Construction 12 elements in 9 groups
Length at infinity 3.6 inches (91mm)
Maximum Barrel Diameter 3.2 inches (81mm)
Weight 27 oz (765g)
Filter Size 72mm
Accessories Included Front Lens Cap, Rear Lens Cap, Slip-On Lens Hood

The 35~85mm lens is a multi-purpose lens.  This is one of the most versatile lenses - good for distant subjects and excellent for close-ups, sporting events, landscapes and portraits.  You can shoot from as close as about 4 inches or from long distances, under just about any average light conditions.  This lens can take the place of three or four fixed-focal length lenses, making it an economical lens to own.  With a little bit of creativity, this lens can produce images possible only with a zoom lens.

Specifications | Construction | Zoom Action

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Features

 

Construction

Vivitar Series I 35~85mm f/2.8 Zoom Photo shows rear lens mount for Pentax thread (M42) and auto aperture pin
Lens fully extended, shown with dedicated lens hood in place.  Camera NOT included - shown for scale only. Vivitar Series I 35~85mm f/2.8 Zoom

 

Specifications | Construction | Zoom Action

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Zoom Action & Close-Up

Vivitar Series I 35~85mm f/2.8 Auto Variable Focusing Zoom This lens features an automatic diaphragm.  The focus can be adjusted separately from the zooming action.  Just turn the ring to focus, and push/pull ring to zoom.
The calibration on the lens barrel shows the focal length for any zooming position, (but this need not be consulted because optimum picture composition and area can be easily determined through the viewfinder). Vivitar Series I 35~85mm f/2.8 Zoom

 

Specifications | Construction | Zoom Action

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