PYRITE LF
These lenses are combining an approved Schneider-Kreuznach lens and one of Optotunes Focus Tunable Lenses EL-16-40-TC-5D. They come in two versions for C-Mount and TFL-Mount.
Overview
LIQUID FOCUS LENSES
OUR LENSES FOR UNIVERSAL APPLICATIONS
To achieve a wide range of working distance the lenses can be combined with extension tubes of 5 mm, 7 mm, 8 mm or 10 mm so the liquid lens can always be used in its optimal operating range.
Working principle with extension tubes
In delivery condition the lens has its optimal working distance starting from infinity. To reach closer distances it is necessary to use an extension tube between lens and camera, so that the liquid lens element can always be used in its comfort zone for focussing. The ranges recommended in the table can additionally be extended in both directions by applying a higher operating current as the imaging power decreases.
KEY FEATURES OF THE LENSES
◆ Focus tunable liquid lens included
◆ Large working distance range
◆ Fast focus within milliseconds
◆ Large image circle
| Name | Aperture | Focal length (mm) | Mount | Sensor size | Type | Size D x L (mm x mm) | Weight (g) | Filter thread |
|---|---|---|---|---|---|---|---|---|
| ➡PYRITE 4.0/60 C-LF | 4.0 –32 | 60 | C | 24 | liquid lens focus | 47** x 71 | 280 | M37 x 0.75 |
| ➡PYRITE 4.0/60 TFL-LF | 4.0 –32 | 60 | TFL | 32 | liquid lens focus | 47** x 71 | 280 | M37 x 0.75 |
| ➡PYRITE 4.0/80 C-LF | 4.0 –45 | 80 | C | 24 | liquid lens focus | 47** x 96 | 310 | M37 x 0.75 |
| ➡PYRITE 4.0/80 TFL-LF | 4.0 –45 | 80 | TFL | 36 | liquid lens focus | 47** x 96 | 310 | M37 x 0.75 |
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