Tasco 1575 Binoculars User Manual


 
PRECISION PCX 10MM DIA X 40MM FL UNCOATED
Plano-Convex Singlet Lens; f = 40.0 mm, dia = 10
mmParaxial Focal Length: 40.0 +/- 0.8 mmMaterial :
BK7Original Unit price $26.00. Manufacturer's part #
01 LPX 079
PL1008 $6.00 or 10 for $50.00
PRECISION BI-CONVEX 12.5MM DIA X 14.2MM FL
Symmetric-Convex Singlet Lens; f = 14.2 mm, dia = 12.5
mmParaxial Focal Length: 14.2 +/- 0.3 mmMaterial :
BK7, coatedOriginal Unit Price: $27.00.
Manufacturer's part #01 LDX 015
PL1009 $6.00 or 10 for $50.00
PRECISION PCX CYLINDRICAL LENS 19MM X
25MM, 19MM FL
Manufacturer's part# 01 LCP 004.
Original unit price: $61.00. Made of BK7
glass with a design index of 1.5168.
Design wavelength is 587.6nm with a
clear aperture of 22.5 x 17.1mm. Center
thickness is 8.5mm, edge thickness is 1.2mm. Radius
of curvature is 9.82mm, surface quality is 60-40
scratch and dig. All edges are ground and have a slight
protective bevel. Uncoated, New.
PL1015 $8.00
PRECISION APLANATIC MENISCUS LENS 18MM DIA, 73.5MM FL
Manufacturer's part# 01 LAM 059. Original unit price:
$63.00. Made of SF8 glass, design wavelength is
546.1nm. Clear aperture of 16.2mm, center thickness is
4mm, edge thickness is 3mm. Surface quality is 60-40
scratch and dig, centration is 3 arc minutes. Edges are
.25-.50 bevel. Manufacturers companion doublet for
this lens: 01 LAO 059. Aplanatic lenses are free of
spherical aberration and coma.
PL1016 $8.00
Precision Optics - Page 117
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