Bell&Howell 200mm f/4.0

Bell&Howell 200mm f/4.0 is a camera glass that provides a telephoto view for full frame cameras. This photographic lens has a manual focus system, which means that the photographer has to manually adjust the focus ring to get the desired focus. This lens has an aperture of f/4.0, which is a moderate aperture that can provide a shallow depth of field. The lens has 6 glass elements, which are coated to reduce lens flare and improve image contrast. The manufacturing time of this lens is not mentioned. The build quality of this lens is not specified, but it is recommended to handle it with care due to its weight of 500 grams and length of 118 mm. The lens has a filter diameter of 55 mm, which is a common size for filters. The lens can provide a good resolution for images, but it is recommended to use it in good light conditions to avoid image noise. The bokeh, which is the quality of the out-of-focus areas in an image, can be pleasing due to the 6 aperture blades that create a rounded aperture shape. This lens does not have autofocus, which means that the photographer has to manually adjust the focus. There are alternative lenses with autofocus available in the market that can provide a similar focal length and aperture.

Optical design

Has 6 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle. Great choice mainly for good light conditions

Physical characteristics

55 mm lens filter diameter, commonly filter size, you have plenty of possibilities. 118 mm long, requires consideration if you want to carry in the camera bag. Weights 500 grams so plan ahead, carry only if really necessary.