Optec offers a wide selection of filters for astronomical photometry in standard color systems. These filters are designed for the SSP series of single-channel stellar photometers and are 12.5mm in diameter and 7.00 mm thick.
The filter sets offered are the Johnson U B V R I J H wide-band standard color set, Strömgren u v b y medium-band four-color set and the H wide and narrow band filter set. Each of these filters can be factory mounted directly into the 2 and 6-position filter sliders for the SSP photometers.
For routine photometry, consider a B - V set mounted in a two position slider.
Optec offers a wide range of filters for astronomical photometry.
These filters are manufactured for the SSP (= Single-Channel Stellar Photometers) series and have a diameter of 12.5 mm and a thickness of 7 mm.
The filter sets offered consist of the Johnson U-B-V-R-I-J-H broadband standard colour filters, the Strömgren U-V-B-Y narrowband set of four colours, and an H broadband & narrowband filter set. Each of these filters can be inserted directly into positions 2 and 6 of the filter wheels for SSP photometers.
For standard photometry, you should use a B-V set in a 2-position filter wheel.
