Xenon Sapphire 2.8/98MM 25-1076452 16K Macro High Resolution Line Scan Lens Standard
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The Schneider Optics Xenon-Sapphire 2.8/98 (Standard p/n: 25-1076452, 25-1076453) high-resolution, high-speed lens is optimized for use with 16k pixel line scan sensors. It is broadband coated and can be used in the range of 400 – 1000 nm. The V-mount makes the Xenon-Sapphire 2.8/98 easy to install and rotate into the desired azimuth position for a wide range of high resolution applications.
Also available as a mechanically adapted version in order to be used in retro orientation; the adapted version of Xenon-Sapphire 2.8/98 can be used for 12K as well as 16K systems
The Xenon-Sapphire 2.8/98 provides three significant stop positions that are especially marked on the stop ring:
- F#2.8 is the maximum opening of the stop and provides maximum brightness. The mechanical vignetting at this F/number is approx. 25%. The MTF for 100lp/mm (72 lp/mmfor Retro) is good up to the edge of the field with only moderate sensitivity to magnification change
- F#3.8 shows excellent MTF over the whole field. The depth of field is bigger and at 3.8 the lens is free of artificial vignetting.
- F#5.6 produces more diffraction which reduces the MTF but it is now quite homogenous over the entire field. The lens is recommended for the complete magnification range of -0.92 < ß’ < -0.83, or -1.20 < ß’ < -1.08 when Retro used with 12K line sensors,
Available Models of the Xenon-Sapphire 2.8/98
Model |
Part Number |
magnification |
Xenon-Sapphire 2.8/98mm, standard |
25-1076452 |
ß' = -0.875X |
Xenon-Sapphire 2.8/98mm, retro capable |
25-1076453 |
ß' = -1.143X |
Xenon-Sapphire 2.8/98 25-1076452 features include:
- for 16k line scan cameras (57.3mm length / pixel sizes 3.5μm)
- for 12k line scan cameras (62.5mm length / pixel sizes appr. 5µm)
- High resolution optics 400 - 1000 nm
- Robust mechanics for industrial environment
- Vibration insensitive
- Focus and iris setting lockable
Specifications for the Xenon-Sapphire 2.8/98 25-1076452
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Standard Version |
Retro Version |
F# range |
2.8 - 8 |
Focal length |
97.5 mm |
Image circle |
62.5 mm |
Beta’ |
0.875 (-0.83…-0.92) |
-1.143 (-1.08…-1.20) |
Object to image distance |
379 (380…378) mm |
379 (378 … 380) mm |
Transmission |
400 -1000 nm |
Interface |
Schneider V-mount 70 |
Weight |
720 gr. |
750 gr |
Storage temperature [°C] |
-25 … +70 |
f' eff |
97.50 mm |
SF |
-49.52 mm |
-52.5 mm |
S'F' |
52.46 mm |
49.5 mm |
HH' |
-12.89 mm |
β‘ P |
1.04 |
0.96 |
SEP |
44.54 mm |
48.6 mm |
S'AP |
-48.61 mm |
-44.5 mm |
Σd |
80.13 mm |
ID/ Part Number |
25-1076452 |
25-1076453 |
Accessories
Item |
Part number |
Adapter V70 / M72 x 0.75 10 mm |
21-1072419 |
Extension tube (M72 x 0.75) 5 mm |
21-1072420 |
Extension tube (M72 x 0.75) 10 mm |
21-1072421 |
Extension tube (M72 x 0.75) 25 mm |
21-026406 |
Extension tube (M72 x 0.75) 50 mm |
21-1054733 |
Extension tube (M72 x 0.75) 100 mm |
21-1079483 |
Extension tube (M72 x 0.75) 200 mm |
21-1079484 |
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Prices and specifications subject to change without notice.