November 6th, 2015
The wide-angle lens of smc PENTAX-DA15mm F4ED AL Limited is intended for Pentax
The lens of smc PENTAX-DA15mm F4 ED AL Limited is developed for use only with digital Pentax SLR cameras. It filled the Pentax Limited series into which the lenses, being characterized a reliable design and the highest quality of the image enter.
The producer carries small focal length (equivalent value in terms of a 35-millimetric shot makes 23 mm) to the main features of smc PENTAX-DA15mmF4ED AL Limited. The respective corner of the review allows to allocate features of prospect and to choose a beautiful foreshortening when shooting landscapes, construction objects and interiors.
In a design of a lens the system of focusing of Quick-Shift Focus System providing instant transition from an automatic mode to the manual is used. For a tube of a lens and integrated бленды aluminum is chosen a material.
Specifications of a lens of smc PENTAX DA 15mm F4 ED AL Limited:
- The optical scheme — 8 parts in 6 groups;
- Focal length — 15 mm (EFR of 23 mm);
- Review corner — 86 °;
- The greatest diaphragm — f/4;
- Small diaphragm — f/22;
- Small distance of focusing — 18 cm;
- The greatest increase — 1:6,7;
- Number of petals of a diaphragm — 7;
- Carving diameter for filter installation — 49 mm;
- The sizes — 63 x 39,5 mm;
- Weight — 212 g;
The lens has built in petal бленду and is calculated on installation in Pentax KAF2 bayonet joint. Cost of a lens is defined equal $650, and April is designated term of the beginning of sales.
Source: PENTAX Imaging