Free Domestic Shipping, Quality glass filters,
Crop Sensor: D300, D300s, D90, D3000*, D3100*, D3200*, D3300*, D3400, D5000*, D5100*, D5200*, D5300*, D5500*, D7000, D7100, D1*, D1H*, D1x*, D2x*, V1, J1, V2, J2, S1,
Full Frame: D750†, D600*, D610, D800, D800e, D810, Df*
*These cameras will have dust reduction system disabled after the H-alpha conversion.
† The D700, D750, D3, D3S, D3X and D4 contain an IR internal shutter monitor that may contaminate the shot when shooting long exposures. This will generally only affect UV shooting. The D7000, D7100, D600 and D800 also have this monitor but do not have this contamination issue.
With Nikon H-alpha conversions, and particularly naked conversions, focus with DSLR lenses may not work. These cameras will only be compatible with telescope and manual focusing. For autofocus, please order the full spectrum conversion here. The following modes will autofocus properly after the H-alpha conversion: D3300, D3400, D810
H-Alpha Filter :
Filter with expanded spectral response that covers the H-alpha and sulfur II emission lines. After conversion, the camera will have a greater than 4 fold increase in sensitivity in the H-alpha line compared to a stock camera, and a greater than 6 fold increase in sensitivity in the sulfur II line. This conversion will maintain the dust reduction feature in the camera and uses multicoated glass to reduce reflections and artifacts. Above, an actual measured transmission curve of the filter. Internal transmission is close to 100%. Be careful when reading transmission curves, some sources provide the more attractive internal transmission instead. All curves we provide are always measured transmission. Focus may not work on DSLR lenses.
The bare naked sensor. We take out all the filters in front of the sensor and leave your sensor unfiltered. There is no extra glass to cause any ghosting artifacts or attenuate any wavelengths, but your sensor will be much more sensitive to dust and scratches. Focus may not work on DSLR lenses.
Full Spectrum Filter:
Another popular option for astrophotography, allows you to use any filter over the lens to narrow down the recording band. Focus will be recalibrated for use with standard lenses. Can be ordered here
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