The GetDPI Photography Forum
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K
Voigtlander 110mm APO Lanthar ?
I have read conflicting reports about this lens (for example digilloyd rejected it). Has anyone here purchased or rented one and shot it seriously, on a tripod, etc. ? I don't own any native E-Mount lenses but am looking for something long with really good resolution, no distortion, minimal... -
K
Is this moiré pattern indicative of a sharp lens or some sort of problem ?
Sony A7RII at ISO 50, 75mm Color-Heliar at f/5.6 I presume the moiré pattern appears due to interference between the pattern of the window screen and the sensor matrix. I have taken other photos of the same building from different distances and the moiré pattern does not appear. Does this... -
K
Medium length lenses without pinchushion/barrel distortion sharp to edges ?
I'm looking for a lens I can use on my A7RII for architectural details which will require minimal post-processing to correct barrel/pincushion distortion and which is truly sharp out to the edges. Somewhere between 100 and 300mm. I generally shoot on a tripod and for stationary subjects... -
K
Extension bellows for Sony A7R series ?
Does anyone make an extension bellows which will fit on a Sony A7R camera ? I have an inexpensive set of extension tubes, but they are prone to flare and awkward in use. Thanks ! -
K
Please recommended an affordable light tripod for travel
I will traveling and would like to find an affordable tripod (for my Sony A7RII) which is light-weight, folds up small enough to go into a backpack, extends to normal height and has a decent head. Can anyone recommend one ? Many thanks. -
K
Feedback on 50mm f/3.5 Heliar (non-collapsible) ?
Do any of our esteemed members have some images or feedback to share ? My 55mm Micro Nikkor is a superb performer but with adapter it's not very small or light. For travel purposes and affordability I'm drawn to the small form-factor and comparatively modest price of the Heliar 3.5 as a light... -
K
Please recommend a manual Nikon-A7RII adapter
My adapter for Nikon to Sony A7RII was delightfully inexpensive, but it leaks. Can anyone recommend a good brand ? I don't need auto-focus or auto-aperture: I just want to use some of my old Nikon manual focus lenses. Thanks ! -
K
DxO sharpness ratings of FE lenses: Zooms vs. Primes
Sorry if this is a perennial question... I've been shooting Large Format for a long time and am finally considering a digital camera. My typical print size is 16x20 inches and the A7Rii can produce those at 300dpi with no up-scaling required. Looking at FE lenses for the A7rii on DxOMark, I... -
K
Good zoom in range of 50-100mm for A7RII ?
I shoot almost all my photos in the range between 50 and 100m in full-frame terms. The wonderful new 24-70 lenses are a bit short for my shooting style. Can anyone recommend a zoom in the roughly 50-100mm range, appropriate for the A7RII ? While we're on the subject, is there a 75mm prime... -
K
Sony A6500 and NEX cameras: same sensor ?
I had an NEX-7 in 2012 and found that once the ISO got past 400, the data I pulled from the shadows was rather noisy. Some photos I made in low light look more like drawings when enlarged substantially. I'm considering getting the current model in the series, an A6500 (or one of the more... -
K
A7R - shutter vibration issues ?
Sorry if this has been covered here already or is controversial. I have read online that there are vibration issues with the A7R at certain shutter speeds, which degrade sharpness. Is this FUD ? Have members here done any tests at different shutter speeds to determine the facts for...