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High Index Lenses

 

Newest Review: ... fussy or very self-conscious about how thick their lenses look. For these people, high index lenses are a great way of ... more

 ... reducing the thickness and also the weight. For an even thinner lens, aspheric lenses are available. These lenses are slightly flatter than spherical lenses and this makes the lenses look thinner. The downside with aspheric lenses is that some people have trouble with distortions at the periphery, although with the current trendy (small) frames there isn't a lot of periphery to see. High index lenses also tend to come with all kinds of coatings. Normally an anti-reflection, anti-scratch and hydrophobic coating. ...more

Sigma 70mm f/2.8 EX DG for Nikon Digital SLR Price Comparison

70mm F2.8 DG EX MACRO Lens for all Nikon D series SLRs
The 70mm F2.8 DG EX MACRO lens from Sigma is easy to handle and c...
£ 349.00 Postage & Packaging: £ 7.10
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Sigma 70mm f2.8 EX DG Macro Lens For Canon Digital & Film Cameras
The advent of digital SLR s requires optimum lens performance and...
£ 263.00 Postage & Packaging: £ 0.00
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Tamron AF 17-50mm F2.8 XR Di II LD Aspherical (IF) Canon
The Aspherical [IF] SP AF 17-50mm F/2.8 XR Di II LD Lens from Tam...
£ 260.04 Postage & Packaging: £ 0.00
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thephilster
Premium Review High Index Lenses: Thinner and lighter (218 words)
by thephilster - written on 06.08.00 (Useful, 725 readings)
Rating:

High index spectacle lenses are thinner and lighter than normal spectacle lenses. This makes them ideal for people with higher prescriptions. Quality lenses in high index plastics and glass are available from Nikon, Zeiss, Hoya. Pentax and Rodenstock and various other companies. Some people are very fussy or very self-conscious about how thick their lenses look. For these people, high index lenses are a great way of reducing the thickness and also the weight. For an even thinner lens, aspheric lenses are available. These lenses are slightly flatter than spherical lenses and this makes the lenses look thinner. The downside with aspheric lenses is that some people ...

adamdavid
Premium Review Nikon DXII Aspherics (168 words)
by adamdavid - written on 23.07.00 (Useful, 612 readings)
Rating:

I currently wear spectacles fitted with Nikon DXII aspheric lenses in an ultralite weight Police frame (model 2541, bought from D&A). I wore contact lenses for years and decided it was time to start wearing glasses again (they are very fashionable now) but don't like having a lot of weight on my face. I am quite short sighted (a 5 dioptre myope, ask your optician) and therefore need quite powerful lenses. The Nikon DXII lenses are expensive but are extremely good quality. With all the coatings (anti-reflection, anti-scratch, water repellant) they are among the best lenses available. Being aspheric, they are thinner than standard lenses and being high ...

 

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