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Bausch & Lomb Lens Conversions

See our range of Bausch & Lomb lens conversions

Van Diemen Macro lenses achieve full 1:1 focusing ratios. The variable pitch lens movement and two complete rotation system allows for ample scaling both for focus marks and iris compensation.

Compact lenses feature a variable pitch Wireform™ lens movement which allows for better focusing scales and closer focusing whilst remaining lightweight.

All Van Diemen conversions are now supplied with dual iris scales as a standard feature and uniform 100mm.

Larger diameters are available on request

Standard Neo Baltars - SMW Conversion

25mm

B&L Neo Standard Baltar 25mm F2.3 T2.5. IWF, PL conversion


£3,400.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 25mm F2.3 T2.5 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7683





30mm

B&L Neo Standard Baltar 30mm F2.3 T2.5. IWF, PL conversion


£3,400.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 30mm F2.3 T2.5 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7684





35mm

B&L Neo Standard Baltar 35mm F2.3 T2.5. IWF, PL conversion


£3,600.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 35mm F2.3 T2.5 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7685





40mm

B&L Neo Standard Baltar 40mm F2.3 T2.5. IWF, PL conversion


£3,600.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 40mm F2.3 T2.5 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7686





50mm

B&L Neo Standard Baltar 50mm F2.3 T2.5. IWF, PL conversion


£3,600.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 50mm F2.3 T2.5 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7687





75mm

B&L Neo Standard Baltar 75mm F2.3 T2.5. IWF, PL conversion


£3,600.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 75mm F2.3 T2.5 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7688





100mm

B&L Neo Standard Baltar 100mm F2.3 T2.5. IWF, PL conversion


£3,600.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 100mm F2.3 T2.5 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform­™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7689





152mm

B&L Neo Standard Baltar 152mm T2.8. IWF, PL conversion


£3,600.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 152mm T2.8 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7690





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Standard Neo Baltars - IWF Conversion

25mm

B&L Neo Standard Baltar 25mm F2.3 T2.5. IWF, PL conversion


£3,400.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 25mm F2.3 T2.5 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7683





30mm

B&L Neo Standard Baltar 30mm F2.3 T2.5. IWF, PL conversion


£3,400.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 30mm F2.3 T2.5 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7684





35mm

B&L Neo Standard Baltar 35mm F2.3 T2.5. IWF, PL conversion


£3,600.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 35mm F2.3 T2.5 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7685





40mm

B&L Neo Standard Baltar 40mm F2.3 T2.5. IWF, PL conversion


£3,600.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 40mm F2.3 T2.5 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7686





50mm

B&L Neo Standard Baltar 50mm F2.3 T2.5. IWF, PL conversion


£3,600.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 50mm F2.3 T2.5 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7687





75mm

B&L Neo Standard Baltar 75mm F2.3 T2.5. IWF, PL conversion


£3,600.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 75mm F2.3 T2.5 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7688





100mm

B&L Neo Standard Baltar 100mm F2.3 T2.5. IWF, PL conversion


£3,600.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 100mm F2.3 T2.5 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform­™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7689





152mm

B&L Neo Standard Baltar 152mm T2.8. IWF, PL conversion


£3,600.00 This is a Van Diemen PL conversion of a B&L Neo Standard Baltar 152mm T2.8 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7690





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Neo Super Baltars

20mm

B&L Neo Super Baltar  20mm F2.0 T2.3 PL conversion


£3,600.00 This is a Van Diemen PL conversion of a B&L Neo Super Baltar 20mm F2.0 T2.3 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform� focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform­™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7672





25mm

B&L Neo Super Baltar 25mm F2.0 T2.3 PL conversion


£3,600.00 This is a Van Diemen PL conversion of a B&L Neo Super Baltar 25mm F2.0 T2.3 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7673





35mm

B&L Neo Super Baltar 35mm F2.0 T2.3 PL conversion


£3,700.00 This is a Van Diemen PL conversion of a B&L Neo Super Baltar 35mm F2.0 T2.3 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7674




B&L Neo Super Baltar 35mm Mk2 F2.0 T2.3 PL conversion


£3,700.00 This is a Van Diemen PL conversion of a B&L Neo Super Baltar 35mm Mk2 F2.0 T2.3 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7675





50mm

B&L Neo Super Baltar 50mm F2.0 T2.3 PL conversion


£3,700.00 This is a Van Diemen PL conversion of a B&L Neo Super Baltar 50mm F2.0 T2.3 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7676





75mm

B&L Neo Super Baltar 75mm F2.0 T2.3 PL conversion


£3,700.00 This is a Van Diemen PL conversion of a B&L Neo Super Baltar 75mm F2.0 T2.3 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7678





100mm

B&L Neo Super Baltar 100mm F2.0 T2.3 PL conversion


£3,700.00 This is a Van Diemen PL conversion of a B&L Neo Super Baltar 100mm F2.0 T2.3 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7679





152mm

B&L Neo Super Baltar 152mm F2.8 T3.0 PL conversion


£4,000.00 This is a Van Diemen PL conversion of a B&L Neo Super Baltar 152mm F2.8 T3.0 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7680





28mm

B&L Neo Super Baltar 28mm F1.8 PL conversion


£3,600.00 This is a Van Diemen PL conversion of a high speed B&L Neo Super Baltar 28mm F1.8 using our 1500 Series design concept. This rehousing uses our patented Inverted Wireform™ focusing system to provide a very smooth, consistent focus. Incorporated in this lens are focus and iris gears to industry standard, robust enough to be compatible with any servo motor. All Van Diemen Inverted Wireform™ conversions are supplied with dual iris scales and a uniform 100mm front diameter. Other, larger diameters as well as different mounting and engraving options are available on request. SKU: 7681