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EPSON R-D1 Wide Angle Lenses & Accessories

Epson R-D1 Eyepiece Diopters +3,+2,+1,-1,-2,-3 $25.00 each

Ricoh GXR M and Sony NEX have the same sensor size as the Epson R-D1 - so the RD viewfinders & Zoomfinder are equally usable on the Ricoh GXR M and Sony NEX with the same RD 1.5x crop factor compared to a full frame 35 camera!


Voigtlander Zoomfinder A 15-35 Multi-Format including RD1 $529

Voigtlander RD 12mm, 15mm, 25mm Viewfinders are long discontinued, but a few are still in stock at CameraQuest


Brightline 15mm RD1 Viewfinder $209

Brightline 25mm RD1 Viewfinder $209


Get them While You Can! ALL RD VF Discontinued and SOLD OUT at the factory


The Cosina made Epson RD-1 has generated a lot of interest as photography's first digital interchangeable lens rangefinder -- and a Leica M mount rangefinder at that!1   However, in that excitement it is easy to forget that as shipped, the R-D1 is only a three lens camera as it only has three built in framelines: 25, 35, and 50.  Epson RD-1  Epson RD-1  Epson RD-1

No problem you say, "I'll just use my Leica M accessory finders."  Not so fast, Barnack.  The problem is that standard 35mm format finders don't show the field of view for the R-D1's digital sensor. OK, you can play around with different accessory finder combinations and hope for the best, but to get the best tools for the job, you need finders that show the correct field of view.

Mr. K of Cosina to the rescue, da da da dah.....  Epson RD-1  Epson RD-1  Epson RD-1

Cosina  produced a limited edition series of 12, 15, 21 and 25 view finders for the Epson R-D1 size field of view!  Limited?   No more R-D1 finders will be produced.  They are sold out at the factory, but CQ still has 12, 15 AND 25 RD1 viewinders available!    So buy the viewfinders while you can, even before you buy the lenses!  21 VF SOLD OUT

These viewfinders are designed to work with the also made by Cosina Voigtlander 12/5.6 & 15/4.5  Leica Screw Mount lenses.   All three will work fine on your R-D1 just by adding the standard Leica designed screw mount to M adapter.   The viewfinders will also work well with other 12, 15, and 21 lenses from other manufacturers.  However as this is written,  there are no other new 12 or 15 Leica mount RF lenses available for sale - although the new Zeiss Ikon 15/2.8 will be available soon for about $3700.  The math on which 15 is the best buy is up to you.


 Epson RD-1 Half Cases by Mr. Zhou 

Quality Soft Leather Sale $45 ORDER HERE


These are beautifully made stitched soft leather cases designed by photographers to protect your camera while at the same time helping you get a good grip on your camera,

without wasting your money by charging you high prices.  For sale is one Black RD half case as pictured here.  No camera, lens, or strap is included.



Voigtlander Zoomfinder A 15-35 Multi Format  

$529  Order Here for RD-1, Sony NEX & Ricoh GXR-M!


Type A Multi-Format for full frame 35mm film and M9

 1.3x Leica M8/8.2 and 1.5x Epson RD-1, Sony NEX and Ricoh GXR-M!





The Zoomfinder's eyepiece has built in diopter adjustment.  The foot has a locking ring to lock the finder in place upon your camera.

FIVE for ONE!  The 15-35 Zoomfinder has the same function as five separate finders: 15, 21, 25, 28, and 35!

The smaller format Leica M8/8.2 as well as the Epson RD1 can use the Voigtlander 15-35 Zoomfinder with 12mm or 15mm lenses!

Voigtlander Screw Mount 12/5.6  Order HERE

(needs R-D1 12 Viewfinder $249, screw mount to M adapter $59)


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The Voigtlander 12/5.6 is the widest lens available for your Epson RD-1.  A Leica screw mount lens, it requires the standard screw mount to M adapter to mount on your Epson $55.  Shown above are the lens, the detachable lens hood, the 77mm filter adapter $59, the 35mm format viewfinder which is included with the lens, the spirit level to make sure the camera is level for architectural shots $125, and the double accessory shoe to use the sprit level and viewfinder side by side (discontinued and sold out).  The 12/5.6 is a scale focus lens, which is so wide it has no need of rangefinder coupling.  Focus by the distance scale on the lens barrel.  A special case for the lens and the viewfinder is also available, $35.


Voigtlander Leica M Mount Rangefinder Coupled 12/5.6    Order HERE

Size comparison: Voigtlander M 15/4.5 vs Voigtlander M 12/5.6

In use the new Voigtlander M mount 12/5.6 handles better than the screw mount version, and of course now offers rangefinder coupling and can easily use filters - without the filter adapter necessary on the earlier screw mount version.  The new 12mm viewfinder is much improved with a brighter, easy to see image as well as a brightline.  On the other hand, the screw mount 12/5.6 costs less while stocks remain and is usable on screw mount cameras - something not possible with M mount lenses. 


Size Comparison: Old vs New 12mm Viewfinders, Screw mount 12 and M mount 12mm and both version viewfinders

Voigtlander Screw Mount 15/4.5   Order HERE

(needs R-D1 15 Viewfinder $209, screw mount to M adapter $59)

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Like the Voigtlander 12 and 25, the Voigtlander 15/4.5  is scale focused using the distance scale on the lens barrel.   A Leica screw mount lens, it requires the standard screw mount to M adapter to mount on your Epson $55.  A special case for the lens and the viewfinder is also available, $35. 


Voigtlander M Mount 15/4.5 with Rangefinder Coupling!   Order HERE

OK, What's the deal?  Voigtlander's original 15/4.5 lens from 1999 established the Cosina-Voigtlander franchise and is still a best seller.  Why gild the lily?

Because Mr. Kobayashi and Voigtlander always aim to improve their products.

Left to Right:  Voigtlander 15/4.5 Super Wide Heliar, Zeiss 15/2.8 Biogon, Voigtlander Screw Mount 15/4.5 with M adapter

 Imagine: A sharp 15mm M lens for less than the price of a used car!

  • 15/4.5 M Mount Lens  f/4.5 to f/22, half click aperture stops

  • 8 elements in 6 groups - same optics as screw mount 15/4.5

  • Sold without viewfinder, use a fixed viewfinder or the 15-35 zoom finder

  • 10 Aperture Blades

  • Closest RF Focus .7 meter, scale focusing to .5 meter

  • Filter Size: 52mm - easy to mount M8 IR filters

  • Size: 38.2 length x 59.4mm diameter

  • Weight 156 grains


Voigtlander 15/4.5 VM mounted on Epson RD1 with the Voigtlander 15D Viewfinder for the RD1







Voigtlander 21/4 Screw Mount   Order HERE

(needs 28 or 35 film Viewfinder for RD $209, screw mount to M adapter $59)

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Unlike the Voigtlander 12, 15, or 25, the Voigtlander 21/4  is rangefinder coupled and will focus with the Epson's built in rangefinder. A Leica screw mount lens, it requires the standard screw mount to M adapter to mount on your Epson $55.  A special case for the lens and the viewfinder is also available, $35.

21/4 P Leica M Mount   Order HERE

(needs 28 or 35 film Viewfinder for RD $209)

 To the left is the new 21/4P in M mount, to the right the screw mount 21/4

Released April 2007.  The new M mount 21/4 P has the same optics as the previous screw mount 21/4, but now sports a new lens barrel.  Produced primarily for the new Voigtlander R4's, the 21/4P is not sold with a viewfinder as there is no need of an accessory 25 viewfinder for the R4A or R4M.  The 25/4P in Leica M mount lens brings up the 28/90 framelines in Leica M cameras.  The 21/4P  is styled similar to the Leica 35/2 pre-aspheric Summicron.  The lens is supplied with a 39mm snap on front lens cap. 

25/4P  Leica M Mount    Order HERE

(needs RD 25 VF for RD $209

Unlike the screw mount version with the same glass, the later M mount 25/4 P lens IS rangefinder coupled.  Two 25/4P's side by side to show different details.  No screw mount to M adapter needed, 25 film viewfinder not included.

the rangefinder coupled M mount 25/4P and the scale focus screw mount 25/4 Snapshot side by side

Order HERE Voigtlander 28, 35, 40, 50, 75, and 90mm Epson RD1 Compatible Voigtlander Lenses

ALL Cosina Voigtlander Leica Mount lenses ( M mount or Screw Mount with lens adapter) ARE Epson RD1 Compatible

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Revised: May 27, 2014 Copyright 2004-2013  Stephen Gandy. All rights reserved.    This means you may NOT copy and re-use the text or the pictures in ANY other internet or printed publication of ANY kind.  Information in this document is subject to change without notice.  Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders.