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Beroflex 400mm f/6.3 vs Vivitar 400mm f/5.6 Auto Telephoto

Both are M42 lenses. Here is what actually differs.

Pick the Beroflex 400mm f/6.3 if

Our spec data shows no clear advantage for this lens.

Pick the Vivitar 400mm f/5.6 Auto Telephoto if

  • You need ⅓ stop more light for low light or background blur (f/5.6 vs f/6.3)

Spec differences

3 differences
Specifications that differ between the Beroflex 400mm f/6.3 and the Vivitar 400mm f/5.6 Auto Telephoto
Beroflex 400mm f/6.3 Vivitar 400mm f/5.6 Auto Telephoto
Brand
Beroflex
Vivitar
Type
Prime
Telephoto
Max aperture
f/6.3
f/5.6 ⅓ stop faster
2 identical specs hidden: mount, focal length. Show all
Mount
M42 both
Focal length
400mm both

Our notes

Beroflex 400mm f/6.3

This 400mm f/6.3 manual-focus telephoto prime lens from Beroflex fits M42 mount cameras. It brings distant subjects closer for sports, wildlife and events.

Our notes

Vivitar 400mm f/5.6 Auto Telephoto

The Vivitar 400mm f/5.6 Auto Telephoto is a manual-focus telephoto prime lens covering 400mm at f/5.6 for M42 mount cameras. It brings distant subjects closer for sports, wildlife and events.

More comparisons

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