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The SHELS (Smithsonian Hectospec Lensing Survey) is a complete redshiftsurvey covering two well-separated fields (F1 and F2) of the Deep Lens Surveyto a limiting R = 20.6. Here we describe the redshift survey of the F2 field(R.A.$_{2000}$ = 09$^h$19$^m$32.4$^s$ and Decl.$_{2000}$ =+30$^{\circ}$00$^{\prime}$00$^{\prime\prime}$). The survey includes 16,294 newredshifts measured with the Hectospec on the MMT. The resulting survey of the 4deg$^2$ F2 field is 95\% complete to R = 20.6, currently the densest survey tothis magnitude limit. The median survey redshift is $ z = 0.3$; the surveyprovides a view of structure in the range 0.1 $ \lesssim z \lesssim 0.6$. Amovie displays the large-scale structure in the survey region. We provide aredshift, spectral index D$_n$4000, and stellar mass for each galaxy in thesurvey. We also provide a metallicity for each galaxy in the range 0.2 $< z <0.38$. To demonstrate potential applications of the survey, we examine thebehavior of the index D$_n$4000 as a function of galaxy luminosity, stellarmass, and redshift. The known evolutionary and stellar mass dependentproperties of the galaxy population are cleanly evident in the data. We alsoshow that the mass-metallicity relation previously determined from these datais robust to the analysis approach.

SHELS: A Complete Galaxy Redshift Survey with R$\leq$20.6