Optolong L-eNhance Filter - 2" Counterweight Shafts & Bars Works with most DSLR and

Works with most DSLR and Mirrorless/MFT cameras

female M42 (T-thread)

75 mm male T-thread for mating to a camera T-ring adapter (not included)

25" Apparent Field Of View: Wide Angle - 66° Focal Length: 4

Optolong L-eNhance Filter - 2" Counterweight Shafts & Bars Works with most DSLR andThe Optolong 2" L eNhance is a dual band pass filter that effectively isolates the H Alpha, H Beta, and Oxygen III nebula emission lines to achieve a maximum transmission of up to 90%. The performance of this filter delivers results that control the impact from light polluted skies in a major way. Technical Data Substrate: B270 Thickness: 1. 85 mm Surface Quality: 60 40 (Refer to MIL O 13830) Fine optically polished to ensure accurate 1 4 wavefront