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Magnifying Eyepiece for DSLR

2010-01-30 updated 2020-09-21 - Send Feedback
Related: focusing, gear, Lefteris K, video

For Nikon DSLR users (most models), I recommend the following (some items are for some models and not others).

Eyepiece items in general

Nikon DK-17M (top)
Nikon DK-21M (bottom)

Nikon offers a range of eyepiece and eyepiece accessories, including diopter-correction eyepieces and other. See my list of eyepiece and eyepiece accessories.

Below are a few that are particularly useful. Not shown below are various anti-fog eyepieces, very helpful under some conditions.

Nikon DK-17M magnifying eyepiece

The DK-17M eyepiece screws into D3/D3s/D3x and similar Nikon bodies, providing 1.2X magnification, which I find helpful for manual focusing.

Get the DK-21M for other Nikon models (D200, D300, D40, etc). I've found both of them a plus for my use.

Eyeglass users might not like either magnifying eyepiece because it could cut off things like focus confirmation and other data at screen bottom.

Lefteris K writes:

This may help readers still using Nikon DSLRs.

Chicago Botanic Gardens yesterday. 70 images, 64 were 100% in focus with manual viewfinder focusing without using the confirmation dot, with long lenses (125 and 135). Three samples attached (in the second one, it’s the far away flower). What helped to achieve this:

a. One of my D850 bodies happen to have perfectly aligned optical paths (mirror and sensor). That is a matter of luck of course, because in my experience only about one third of the bodies are precisely aligned in DSLRs for satisfactory high-res images, and that includes Canon bodies as well.

b. The viewfinder piece Nikon DK-17F Fluorine Coated Eyepiece is phenomenal! I could clearly see (with my presbyopic eyes) through the viewfinder, where the lens was focused exactly, as if I were using a loupe! With my daughter carrying the Z7 with her, I compared viewfinders (sunny day), and the D850’s with that new eyepiece seemed more “high res” to me than the Z7 at full view (not magnified).

c. Lenses used were Apochromatic (Zeiss Milvus 135mm and Voigtlander 125mm). It really makes a huge difference. I have kept no lenses with chromatic aberrations.

No “DOF preview”, no tripod, and no “Liveview” were used. I think that the percentage of hits is so unusual for using just viewfinder without confirmation dot, purely by what I was seeing in the viewfinder, and since this is the second session of mine with such high hit rate through the viewfinder with long lenses, that it is worth mentioning and even highlighting. Because the results were equally good even in the darker parts of the park where the flash didn’t fire (sample no. 003). At any rate, the focusing results are “great enough for nice family prints”.

DIGLLOYD: the first think I added to my Nikon DSLRs was the DK-17M.

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