DSLR lens advice, need help deciding. on which lens to upgrade or if it is sort of pointless.

Started 3 months ago | Discussions thread
nighthiker Regular Member • Posts: 485
Re: DSLR lens advice, need help deciding. on which lens to upgrade or if it is sort of pointless.

Hi!

The image has a strong halo around the bright stars and the stars are not really round. That pic is not convincing me of the quality of this Tamron 180/2.5.

The Sigma A 105/1.4 is a well known and good lens for astro photography. Based on recommendations and reviews I bought the Sigma APO 180/2.8 for astro and I'm happy with the results (very low coma/astigmatism and very sharp even wide open). Review see here:  https://www.lenstip.com/355.1-Lens_review-Sigma_180_mm_f_2.8_APO_Macro_EX_DG_OS_HSM__Introduction.html

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