Carl Zeiss Jena Q1 Flektogon 25mm f/4
The Carl Zeiss Jena Q1 Flektogon 25mm f/4 is a camera glass that provides a wide angle of view and has a manual focus system. The lens has multiple glass elements and a lens coating that helps to reduce glare and reflections. The build quality of the lens is sturdy and it was manufactured a long time ago. The aperture of the lens has six blades, which is an average number for this type of photographic lens. The lens has a good resolution and produces a pleasing bokeh effect when used at wider apertures. There are alternative lenses available for different mounts, but this lens is not compatible with autofocus systems.
Has 6 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle. Average brightness in this league
Weights 358 grams so plan ahead, carry only if really necessary. 77 mm lens filter diameter, commonly filter size, you have plenty of possibilities this lens deserves a good quality filter. 52 mm long, requires consideration if you want to carry in the camera bag.