The Hasselblad Series 70 HSB (Bay 70) Softar I Effect Glass Filter is a special lens with a built-in mini-diffuser lens. It is the optimum in soft focus lenses.
Note:
This filter is specific to lenses with Hasselblad's exclusive Series 70 (Bay 70) filter size
They are the optimum in soft focus lenses
In comparison with other diffusers, the Softars can be used at any aperture for greater depth of field without changing the softness
This is very important in portraiture
Hasselblad Softars may be combined with each other and are available in three strengths: 1, 2 and 3 with 3 having the softest effect