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<blockquote data-quote="BackdoorArts" data-source="post: 125698" data-attributes="member: 9240">I''m with Marcel in that the first thing I noticed was a crooked horizon.&nbsp; Shots could have been framed much more carefully.Lots of things can impact sharpness, cheap filters among them (cheap ND's can also kill color and contrast).&nbsp; Minimum aperture on some lenses (f22-32) can also be a recipe for losing sharpness.&nbsp; A tripod helps, but if it's not a sturdy tripod then wind will produce small vibrations, so if it's got a hook on the bottom of the post hang a bag on there to help steady it.&nbsp; You can avoid mirror slap on many cameras by using either the shutter delay feature (1 second delay between mirror raising and shutter actuation), Mirror Up mode, or a two step remote actuation (press 1 locks the mirror up, press 2 actuates the shutter).&nbsp; VR will impact fine details when used on a tripod.Many factors go into making long exposures, and we all learn some of the lessons the hard way.&nbsp; Keep at it.</blockquote>

[QUOTE="BackdoorArts, post: 125698, member: 9240"] I''m with Marcel in that the first thing I noticed was a crooked horizon. Shots could have been framed much more carefully. Lots of things can impact sharpness, cheap filters among them (cheap ND's can also kill color and contrast). Minimum aperture on some lenses (f22-32) can also be a recipe for losing sharpness. A tripod helps, but if it's not a sturdy tripod then wind will produce small vibrations, so if it's got a hook on the bottom of the post hang a bag on there to help steady it. You can avoid mirror slap on many cameras by using either the shutter delay feature (1 second delay between mirror raising and shutter actuation), Mirror Up mode, or a two step remote actuation (press 1 locks the mirror up, press 2 actuates the shutter). VR will impact fine details when used on a tripod. Many factors go into making long exposures, and we all learn some of the lessons the hard way. Keep at it. [/QUOTE]

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