Navitar TC-5028 Double-Sided Telecentric Lens

→ Focal Length: 50 mm
→ Iris Range/ F-Stop: 2.8 - Close
→ Iris Control: Manual
→ Focus Control: Manual
→ Zoom Control: N/A
→ Object Area at M.O.D (HxV) 2/3": 8.1 x 6.1
→ Object Area at M.O.D (HxV) 1/2": 5.9 x 4.4
→ Object Area at M.O.D (HxV) 1/3": 3.8 x 3.3
→ Object Area at M.O.D (HxV) 1/4": 2.9 x 2.2
→ Focusing Range (meters): 0.5 - infinity
→ Field Angle (HxV) 2/3": 10° 03' x 7° 33'
→ Field Angle (HxV) 1/2": 7° 19' x 5° 29'
→ Field Angle (HxV) 1/3": 5° 29' x 4° 07'
→ Field Angle (HxV) 1/4": 3° 39' x 2° 45'
→ Back Focal Length (mm): 32.5
→ Filter Diameter: Ø37 P=0.75
→ Mount: C-mount
→ Weight (grams): 318
→ Exit Pupil Position: 48.1 (from image plane)
→ Distortion in TV: Less than 0.1%
→ Vignetting: 97%
→ Filter Size: M37.5 x 0.5
→ Magnification: 0.5 1.0X
→ Distortion at 0.5X: -0.3%
→ Distortion at 1.0X: Less than - 0.1%
→ Distance from the Front Lens to Object: 0.5X:115mm; 1.0X:85mm