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Achromatic Lenses Negative MgF2 Coated
Specification :
Diameter Tolerance: +0.0, -0.15mm
Paraxial Focal Length: ±2% @546.1nm
Centration: 3 arc minutes
Clear Aperture: >80%
Surface Figure: l/4@632.8nm
Surface Quality: 60-40 scratch and dig
Coating: Single layer MgF2 broadband AR coating
Protective Bevels
Diameter Tolerance: +0.0, -0.15mm
Paraxial Focal Length: ±2% @546.1nm
Centration: 3 arc minutes
Clear Aperture: >80%
Surface Figure: l/4@632.8nm
Surface Quality: 60-40 scratch and dig
Coating: Single layer MgF2 broadband AR coating
Protective Bevels
| Part No. | f(mm) | Dia(mm) | R 1 (mm) | R2 =R3 (mm) | R 4 (mm) | tc1(mm) | tc2(mm) | f b (mm) | Lens A | Lens B |
| ACL0211 | -25 | 12.7 | -15.60 | 13.09 | 44.16 | 3.00 | 2.67 | -27.5 | BK7 | F2 |
| ACL0212 | -40 | 12.7 | -24.45 | 17.97 | 66.60 | 3.00 | 2.34 | -42.5 | BK7 | F2 |
| ACL0311 | -50 | 25.4 | -31.19 | 24.89 | 85.31 | 3.00 | 4.22 | -53.3 | BK7 | F2 |
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Contact Information
sp3 plus ltd
18 All Saints Road
Tunbridge Wells,
Kent
TN4 9JF
United Kingdom
email:info@sp3plus.co.uk
ph: +44 (0)1892 615571
fax:+44 (0)1892 615726